Related Clues:

• Kept one's head above water?
• Dog-paddled, perhaps
• Stroked
• Did the crawl, say
• Did the dog paddle
• Began a triathlon
• Emulated Phelps
• Skinny-dipped
• Moved with strokes
• Participated in a pool, say
• Hit the pool
• Came crawling back, maybe
• Crossed the Channel
• Breaststroked
• Emulated Michael Phelps