High drama in the pool. Moments of pure sensation. Rising to the occasion and out-touching your opponent by the slimmest of margins.
There are so many dramatic moments in U.S. Olympic swimming history that it seemed nearly impossible to slice the list down to 15.
These selections are obviously open to debate, as the big picture was considered as much as the pure athletic moment.
How can a simple swimming race produce such adrenaline moments? Millions of eyes are watching you live and on television, your entire country banking on you.
There's a moment when time seems to stop, a fraction of a second where a race is won or lost. Then it's over, and all that built-up tension and emotion explodes.