Find the race
Begin with event, heat and lane. Every new player starts with the same foundation.
Gretchen Walsh · 100-yard butterfly
46.97 seconds · March 21, 2025 · Short Course Yards (SCY)
2025 NCAA Division I Women’s Championships · University of Virginia
Walsh set American, NCAA and U.S. Open records in this final. This collection studies that historic achievement; it is not a claim about the current record as of today.
One day. Two record swims.
Walsh swam 47.21 in preliminaries, then improved to 46.97 in the final. Learn the event, course and competition context before studying what happened during the swim.
Why the course matters
This is 100 yards in a 25-yard pool. It is distinct from the 100-meter butterfly in a 25-meter or 50-meter pool. Compare performances within the same course.
Watch with a purpose.
Observe the technique
Study stroke count, breakout distance, kicks and breaths using the game’s observation definitions.
Understand the race
Collect splits and underwater checkpoints, then look at starts and turns.
Bring back one question
Explain something you noticed to your coach. Ask which idea is appropriate for your own swimming.
These links open the existing seven-level Data Game. It retains your progress and the 80% advancement threshold; this page does not create a separate score history.
Historic records, meaningful learning.
American-record trivia and additional record swims will be added as separate games after their sources and questions are verified. The observation game above is available now.