Related Clues:
- Took the plunge, perhaps
- Emulated Michael Phelps or Katie Ledecky
- Competed like Katie Ledecky
- Participated in the first third of a triathlon
- Done some freestyle, say
- Went overseas to raise marsh mallows on the borders
- Swim, swam, ___
- Emulated the athletes Katie Ledecky and Caeleb Dressel
- Did laps in a pool, say
- Exercised in a pool
- Competed like Regan Smith
- Crawled?
- Did some horizontal laps
- Used flippers
- Like the start of an Ironman race