One swimming glossary
Official USA Swimming — source definitions in bold navy. TEAMGOLDUSA additions — coaching and data explanations in green.
Pool & Racing
| Word | Rulebook locations | Definition |
|---|---|---|
| AGGREGATE TIMEOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | times achieved by four individuals in separate starts which are added together to arrive at a relay time for entry purposes. |
| ALTERNATING KICKOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | the alternating movement of the legs, commonly known as the flutter kick, is the up-and-down propulsive motion of the legs where one limb moves in the opposite direction of the other at the same time. |
| ARMOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | that part of the body that extends from the shoulder to the wrist. |
| BODYOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | the torso, including shoulders and hips. |
| COURSEOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | designated distance over which the competition is conducted. |
| LONG COURSEOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | 50 meters. |
| SHORT COURSEOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | 25 yards or 25 meters. |
| END OF COURSEOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | designated wall for racing turns and finishes. |
| EVENTOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | any race or series of races in a given stroke and/or distance. For competitive limits, one event is inclusive of preliminary heat(s) plus its related final(s), or one timed final, or one time trial. |
| FINALSOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | a session of a meet in which the concluding heats of an event are contested which may include championship, consolation, or bonus finals. • Championship (A) Final — the fastest heat of swimmers competing in Finals • Consolation Final(s) — the second fastest and subsequent heats of swimmers competing in Finals for which team selection, scoring points and/or prize money are awarded • Bonus Final(s) — any finals heat in which no points or placement prizes are awarded |
| FINISHOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | the instant that a swimmer touches the wall at the end of the prescribed distance. |
| FORWARD STARTOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | an entry made while facing the course. |
| FOULOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | an instance of obstruction, interference, collision, or equipment malfunction which prevents the successful completion of a race. |
| HEATSOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | a division of an event in which there are too many swimmers to compete at one time. (See Preliminary Heats and Timed Final Heats) |
| HORIZONTALOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | parallel to the surface of the water. |
| INITIAL DISTANCEOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | that first portion of a race for which an official time may be recorded but which is not in itself a completed event. |
| LANE DIVIDEROfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | continuous floating markers attached to a line stretched from the starting end to the turning end of the course for the purpose of separating each lane. |
| LENGTHOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | extent of the course from end to end. |
| ON THE BACKOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | position of the body when the shoulders are past vertical towards the back. |
| ON THE BREASTOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | position of the body when the shoulders are at or past vertical towards the breast. |
| PRELIMINARY HEATS OR PRELIMINARIESOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | competition in which a number of heats are swum to qualify the fastest swimmers for the Finals. |
| PROPULSIVEOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | having power to propel. |
| RELAYOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | a race in which four eligible team members each swim a specified portion of the course. |
| RELAY LEGOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | the part of a relay event that is swum by a single team member. |
| SCISSOR KICKOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | use of the top of the instep of one foot and the bottom of the other foot in the propulsive part of the kick. |
| SIMULTANEOUSLYOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | occurring at the same time. |
| TIMED FINAL HEATS OR TIMED FINALSOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | competition in which only heats are swum and final placings are determined by the times achieved in the heats. |
| TOUCHOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | contact with the end of the course. |
| TURNOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | a point where the swimmers reverse or change direction. |
| VERTICALOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | perpendicular to the water surface. |
| WALLOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | vertical portion of the pool, contiguous surfaces of the deck and overflow gutter, the front portion of the starting block or platform, or the touchpad at the end of the course. |
| WARNING SIGNALOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | a bell, whistle, air horn, or other appropriate audible device. |
| SCRATCH (from an event)Official · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | withdraw an entry from competition. |
Open Water
| Word | Rulebook locations | Definition |
|---|---|---|
| ABANDONMENTOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | termination of an open water event prior to its completion due to safety considerations. |
| ESCORT CRAFTOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | boats or paddle boards used in open water competition for the swimmers’ safety and logistical support. |
| ESCORTED SWIMOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | an open water event in which each swimmer is required to have an escort craft accompany the swimmer throughout the race. |
| FEED POLEOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | a mechanical implement used by coaches or support personnel to deliver fluid and/or food to open water swimmers during the race. |
| FINISH POINTOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | the physical location where an open water race terminates. |
| LEAD BOATOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | the boat used as a course guide for open water swimmers. |
| MEET REFEREE (OPEN WATER (OW) COMPETITION)Official · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | an experienced OW referee who oversees the operations of the entire OW swim meet and ensures that all safety plans, rules, and regulations are followed, and who makes final decisions on any procedure, modification, dispute, or protest to ensure a safe, fair, and equitable competition. |
| OPEN WATER SWIMMINGOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | any swimming competition that takes place in rivers, lakes, or oceans. |
| PACINGOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | an attempt by a person not participating in an open water race to enter the water with the intent of providing moral support or otherwise assisting a swimmer in setting the tempo of the race. |
| PADDLEROfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | a person on a paddle board or manually propelled craft who supports an open water swimmer or group of swimmers. |
| SLIPSTREAMINGOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | swimming behind or next to another open water swimmer or support craft for the purpose of taking advantage of the reduced water resistance created by the former’s wake. |
| SUPPORT PERSONNELOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | persons in an open water swimmer’s escort craft who provide for feeding, navigating, coaching, and other supporting activities. |
| UNESCORTED SWIMOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | an open water event where swimmers compete without a designated support craft. |
| VENUEOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | the area located on the sides and ends of the pool, spectator area, team areas within the pool facility (e.g., portion of the building designated for teams and swimmers, or fenced area around an outdoor pool), locker rooms, and such other areas as may be specifically designated by the host club or organization, meet director, or referee. In open water competition, the geographical area and environs where the meet is conducted. |
| WAVEOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | at an open water event, a second or subsequent start used if the start area cannot accommodate all contestants at the same time. |
| WETSUITOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | a swimsuit made of material providing thermal insulation. |
Meet Administration
| Word | Rulebook locations | Definition |
|---|---|---|
| ADMINISTRATIVE REFEREEOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | Referee who performs the duties of an Administrative Official under 102.14 at a prelims-finals meet. The Administrative Referee should have the experience and knowledge to be able to assume the role of the Meet Referee any time during the meet, if necessary. |
| APPROVALOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | a permit issued by an LSC for meets conducted in conformance with USA Swimming technical rules in which both members and non-members may compete. |
| CLOSED COMPETITIONOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | • Competition exclusively among members of a single club • Competition or series of competitions within an independent organization open only to members of that organization, such as: º YMCA competition º Summer league competition º Conference competition • Closed competition does not include representing a group within USA Swimming such as LSC, Zone, Region, or Section, nor does it include dual meets, invitationals, or other meets where only certain clubs are invited to participate. |
| CONFORMING TIMEOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | time achieved in a course that corresponds to the meet competition course. |
| DECK REFEREEOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | the deck level Referee who may be assigned by the Meet Referee to perform specific duties as enumerated under 102.11 during a session. |
| DRAWOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | random selection by chance. |
| DUAL COMPETITIONOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | competition between two teams. |
| FIRST DAY OF MEETOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | day on which the first competitive swimming event is conducted. |
| INTERNATIONAL COMPETITIONOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | any athletic competition between any athlete(s) or member organization(s) of USA Swimming, either individually or as part of a team, and any athlete(s) or member organization(s) (e.g., clubs) representing any foreign country. |
| INTRA-SQUAD MEETOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | a competition exclusively among members of a single club. |
| MANUAL STARTOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | the start of any timing device by an individual in response to the same starting signal given to the swimmer(s). |
| MEET ANNOUNCEMENTOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | document setting forth information of the meet events, schedule, and procedures. |
| MEET COMMITTEEOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | unless otherwise specified in the meet announcement, the Meet Committee shall consist of the Meet Director, Meet Referee, and coach and athlete members as appropriate. |
| MEET REFEREE (POOL COMPETITION)Official · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | an experienced referee who oversees the entire swim meet and ensures that all rules and regulations are followed by making final decisions on any procedure, modification, dispute, or protest for a fair and equitable competition. |
| MIXED CLASSIFICATIONOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | meet in which events of Age Group and Junior, Senior, or any other classification are offered. |
| NATIONAL AGE GROUP (NAG) RECOGNITION TIMEOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | an official time that qualifies as one of the fastest for a given age group as defined in the SWIMS portion of the Operating Policy Manual. |
| NON-CONFORMING TIMEOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | entry time achieved in a course which does not correspond to the course in which the meet will be conducted. |
| OBSERVED SWIMOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | a swim observed by assigned USA Swimming officials for conformance with USA Swimming technical rules in a meet conducted under other than USA Swimming rules. |
| OFFICIAL TIMEOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | a time achieved in a USA Swimming sanctioned or approved competition or in an observed swim in accordance with USA Swimming technical rules. |
| OPEN COMPETITIONOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | competition that is not otherwise defined as a closed competition in which any qualified club, organization or individual may enter. |
| OPEN EVENTOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | an event in which any qualified individual may compete, regardless of age. |
| PLACE JUDGEOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | official assigned to record the order of finish of all swimmers by lane in each heat. |
| PROGRAMOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | the order of events, including starting times and intermissions in a meet or portion thereof (See Session), sequentially listed by class of competition, sex, age group, distance, and stroke as set forth in the meet announcement. |
| SANCTIONOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | a permit issued by an LSC to a USA Swimming group member to conduct a meet in conformance with all USA Swimming rules in which all participating swimmers are athlete members of USA Swimming, except as provided in Article 202.5.1. |
| SEEDOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | to distribute the swimmers among the required number of heats and/or lanes, according to their submitted or preliminary times. |
| DECK-SEEDOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | swimmers are required to check in for their events on the day of the meet. After scratches are determined, events are seeded. |
| PRE-SEEDOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | all entrants are seeded prior to the day of competition. |
| SESSIONOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | any portion of a meet distinctly separated from other portions by locale, time, or type of competition, i.e., preliminaries and finals; morning and evening; Senior and Age Group, etc. |
| TIME STANDARDOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | the time a swimmer must have previously achieved in order to compete in that event at a designated competition. |
| TIME TRIALOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | an event conducted within or independently of a meet where the swimmer races against the clock to establish an official time. |
| VIRTUAL MEETOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | a competition held at multiple venues. |
Membership & Governance
| Word | Rulebook locations | Definition |
|---|---|---|
| 10-YEAR ATHLETEOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | an athlete who has represented the United States in a Delegation Event, World Championships, or another event designated by the USOPC (together with the USOPC Athletes’ Advisory Council) and USA Swimming (together with USA Swimming’s Athletes’ Advisory Council) as an elite-level event for purposes of this definition, within the previous 10 years. |
| 10-YEAR+ ATHLETEOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | an athlete who has represented the United States in a Delegation Event, World Championships, or another event designated by the USOPC (together with the USOPC Athletes’ Advisory Council) and USA Swimming (together with USA Swimming’s Athletes’ Advisory Council) as an elite-level event for purposes of this definition, but not within the previous 10 years. |
| 2-YEAR ATHLETEOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | an athlete who has been actively engaged within the 24 months prior to election/selection in a USA Swimming-sanctioned competition (as defined by the USA Swimming Athletes’ Advisory Council and approved by the USA Swimming Athlete Representation Working Group [as defined in the USOPC Bylaws]), which may include events that categorize entrants in age restricted classifications. |
| ACTIVELY ENGAGED ATHLETE REPRESENTATIVEOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | an athlete who qualifies as a 10-Year or 10-Year+ Athlete representative, or who has been actively engaged in 24 months prior to election/ selection in a USA Swimming-sanctioned competition (as defined by the USA Swimming Athletes’ Advisory Council and approved by the USA Swimming Athlete Representation Working Group [as defined in the USOPC Bylaws]), which may include events that categorize entrants in agerestricted classifications. |
| AMATEUR SPORTS ACTOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | the Ted Stevens Olympic and Amateur Sports Act (1998) (or as applicable, the Amateur Sports Act of 1978), as amended from time to time. |
| ATTACHEDOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | status of an athlete member who represents a member club in competition after having met the requirements of Article 203. |
| BOARD OF DIRECTORSOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | unless otherwise noted, shall mean the USA Swimming Board of Directors. |
| CLUBOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | an organization which has been accepted for membership in USA Swimming. |
| COMPETITION CATEGORYOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | stated as men or women for the purpose of athlete swimming eligibility, competition, selection and records. An athlete’s stated competition category shall be referred to as “gender.” |
| DELEGATION EVENTOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | individually or collectively as applicable, the Olympic Games, the Olympic Winter Games, the Paralympic Games, the Paralympic Winter Games, the Pan American Games, and the Parapan American Games. |
| EX-OFFICIOOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | a member of a board or committee serving by virtue of some other office or position held (whether in USA Swimming, in an Allied or Affiliate Member, or otherwise), or by virtue of an appointment to such committee or board pursuant to the Bylaws of USA Swimming. Ex-officio members have full rights of membership including the right to vote (unless otherwise provided in the Bylaws or Policy Manual). Ex-officio members without the right to vote are not counted to establish a quorum (unless expressly provided otherwise in the Bylaws). |
| FOREIGN SWIMMEROfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | an athlete member of a World Aquatics member-country federation, other than USA Swimming, or an athlete member of USA Swimming who is not eligible to represent the United States in international competition due to World Aquatics sports citizenship requirements. (See Sports Citizen) |
| LSC (LOCAL SWIMMING COMMITTEE)Official · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | an administrative division of USA Swimming with supervisory responsibilities within certain geographic boundaries designated by USA Swimming. Also abbreviated LSC |
| NOTICEOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | a written communication notifying about a scheduled meeting of a committee, board or other governing body or group, or other fact or occurrence, required to be made by law, bylaw, rule or regulation. To be considered written, the communication must be addressed, using the last known address on file with the LSC or in SWIMS, to the intended or required recipient(s) and delivered by hand, first class mail, overnight or second day delivery by a national delivery service, facsimile transmission, electronic mail or text message. |
| OPERATING POLICY MANUALOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | document maintained by the President/CEO that specifies operating policies and procedures not contained in Rules & Regulations. New policies adopted shall be vetted and approved by the Board of Directors and appropriate committee chair. |
| OUTREACH MEMBERSHIPOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | a reduced-fee category of athlete membership for under-represented and/or economically disadvantaged swimmers. |
| PRESIDENT/CEOOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | unless otherwise noted, the President and Chief Executive Officer of USA Swimming. |
| REINSTATEMENTOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | return of all or limited rights of membership in USA Swimming. |
| SEASONAL ATHLETE MEMBERSHIPOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | an individual athlete membership in USA Swimming which may be offered at the option of the LSC for one or two periods of not more than 150 days in a registration year pursuant to the Corporate Bylaws Article 2.4. |
| SEASONAL CLUBOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | an organization which has been accepted for membership in USA Swimming and which operates within a period of time specified by the LSC. |
| SEMI-INDEPENDENTOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | an individual who (prior to the election to the Board of Directors) has not been a member of a House of Delegates at the national level, but who at present or in the past, has/had an obvious connection to swimming as a swimmer, parent of a swimmer, coach, official, etc. |
| SPORTS CITIZENOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | an athlete who has represented a nation other than the United States in international competition is a sports citizen of that nation and is considered ineligible to represent the United States until World Aquatics requirements for changing sports citizenship (sport nationality) have been met. (See Foreign Swimmer) |
| SPORTS ORGANIZATIONOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | a corporation, club, federation, union, association, or other group organized in the United States which sponsors or conducts any athletic competition. |
| SUSPENSIONOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | deprivation of all rights of membership in USA Swimming. |
| SWIMS (SWIMMING WEB-BASED INTERACTIVE MEMBERSHIP SYSTEM)Official · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | a single integrated database system which includes USA Swimming membership data and a databank of achieved times that are considered official and are recognized for proof of entry and recognition programs. |
| TRYOUTOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | practices where a swimmer who is not a member of USA Swimming participates with a USA Swimming member club for a period not to exceed thirty (30) consecutive days in a twelve (12) month period to determine the swimmer’s interest in becoming a member of USA Swimming. |
| UNATTACHEDOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | status of a member who does not represent a club or World Aquatics member Federation in competition. |
| USA SWIMMINGOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | USA Swimming, Inc., a Colorado corporation. Also abbreviated USAS |
Accessibility & Athlete Support
| Word | Rulebook locations | Definition |
|---|---|---|
| DISABILITYOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | a permanent physical or cognitive disability that substantially impacts one or more major life activities. |
| PERSONAL ASSISTANTOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | an individual who assists an athlete requiring help with activities of daily living and preparation for athletic participation. A Personal Assistant provides support unique to the needs of the athlete(s) in their care. This support may include, but is not limited to, mobility guidance, assistance with transfer, entering/exiting the pool, dressing, showering, toileting, medication administration, and communication. Some athletes require a Personal Assistant to enable successful participation in the sport, while others need help to assure personal safety in practice and meet environments. |
| TAPPEROfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | Personal Assistant who uses a pole with a soft-tipped end to tap a blind or visuallyimpaired swimmer as notification of turns and finish. |
Other
| Word | Rulebook locations | Definition |
|---|---|---|
| APPRECIABLEOfficial · USA Swimming | 2026 rulebook · printed p. 17 (PDF p. 19) ↗ | sufficient in extent to be recognized. |
| DECK CHANGEOfficial · USA Swimming | 2026 rulebook · printed p. 18 (PDF p. 20) ↗ | changing, in whole or in part, into or out of a swimsuit when wearing just one suit in an area other than a permanent or temporary locker room, bathroom, changing room or other space designated for changing purposes. |
| HEADQUARTERSOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | USA Swimming’s office in Colorado Springs, Colorado. |
| MAYOfficial · USA Swimming | 2026 rulebook · printed p. 19 (PDF p. 21) ↗ | permissive, not mandatory. |
| PRACTICEOfficial · USA Swimming | 2026 rulebook · printed p. 20 (PDF p. 22) ↗ | the instruction of swimming techniques, skills, knowledge, conditioning, aptitude and motivation. |
| SHALLOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | mandatory. |
| SHOULDOfficial · USA Swimming | 2026 rulebook · printed p. 21 (PDF p. 23) ↗ | recommended but not mandatory. |
| TEXTILE MATERIALSOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | natural and/or synthetic, individual and non-consolidating yarns used to constitute a fabric by weaving, knitting, and/or braiding, or as further defined under current World Aquatics swimwear rules. |
| WEBSITEOfficial · USA Swimming | 2026 rulebook · printed p. 22 (PDF p. 24) ↗ | the official site maintained by USA Swimming on the internet (usaswimming.org). |
Coaching & Data Terms
| Word | Rulebook locations | Definition |
|---|---|---|
| 5IN · 5 yd In CheckpointTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The final five-yard segment before wall contact or the finish. |
| 5OUT · 5 yd Out CheckpointTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The first five-yard segment after the start or wall contact. |
| ASCA · American Swimming Coaches AssociationTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | A professional education organization for swimming coaches. |
| AWT · Above-Water TimeTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Time from breakout to the end of the length. |
| BC · Breath CountTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The number of breaths observed during a race length. |
| BO · Breakout DistanceTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Distance from the start or wall to the first surface stroke. |
| BR% · Breathing ShareTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Breath count divided by surface stroke count, expressed as a percentage. |
| BT · Breakout TimeTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Time from the start or wall to the first surface stroke. |
| DFS · Declared False StartTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | An official declaration that a swimmer will not compete in the event. |
| DPK · Distance Per KickTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Breakout distance divided by underwater kick count. |
| DPS · Distance Per StrokeTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Surface distance divided by surface stroke count. |
| DQ · DisqualificationTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | A result invalidated because a rule violation was observed and accepted. |
| F1 · Flags InTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The five-yard approach segment into the wall. |
| F2 · Flags OutTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The five-yard exit segment from the wall. |
| HR · Heart RateTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Heart beats per minute, used as one measure of physiological response. |
| IM · Individual MedleyTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | One swimmer races all four strokes in the prescribed order. |
| KC · Kick CountTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Number of underwater kicks observed before breakout. |
| KR · Kick RateTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Underwater kick count divided by underwater time. |
| KS · Kick SpeedTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Underwater distance divided by underwater time, reported in yards or meters per second. |
| LCM · Long Course MetersTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Competition in a 50-meter pool. |
| MAAPP · Minor Athlete Abuse Prevention PolicyTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | USA Swimming / U.S. Center for SafeSport rules governing interactions involving minor athletes. |
| NCAA · National Collegiate Athletic AssociationTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The governing association for many U.S. college sports competitions. |
| NS · No ShowTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The swimmer was entered but did not report or compete. |
| NT · No TimeTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | No seed or official time is available for the entry. |
| PB · Personal BestTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The fastest valid result recorded for the swimmer in that event and course. |
| PR · Personal RecordTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Another common label for a swimmer’s best recorded performance. |
| RPE · Rate of Perceived ExertionTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | An athlete-reported rating of how hard an effort felt. |
| SC · Stroke CountTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The number of surface stroke cycles observed on a race length. |
| SCM · Short Course MetersTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Competition in a 25-meter pool. |
| SCY · Short Course YardsTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Competition in a 25-yard pool. |
| SI · Stroke IndexTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Swim speed multiplied by distance per stroke; a combined speed-efficiency measure. |
| SS · Swim SpeedTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Above-water surface distance divided by above-water time. |
| TT · Total Turn TimeTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Flags In plus Flags Out; the total 10-yard turn segment. |
| USMS · U.S. Masters SwimmingTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The national organization for adult Masters swimming in the United States. |
| UT% · Underwater Time PercentageTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The percentage of a length’s split spent underwater. |
| UW% · Underwater Distance PercentageTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | The percentage of a length traveled underwater. |
| UWT · Underwater TimeTEAMGOLDUSA · Added explanation | TEAMGOLDUSA explanationNot an official rulebook quotation | Time from the start or wall to breakout. |