Related Clues:
- Began a triathlon
- Proceeded with caution
- Emulated Phelps
- Skinny-dipped
- Moved with strokes
- Participated in a pool, say
- Hit the pool
- Emulated a cat burglar
- Came crawling back, maybe
- Crossed the Channel
- Breaststroked
- Emulated Michael Phelps
- Moved steathily or cautiously
- Was snail-like
- Exercised in a lane