| Tournament | Played | Wins | Losses | Draws | Notes |
|---|---|---|---|---|---|
| Olympics (2000–2016) | 30 | 23 | 5 | 0 | Most decorated Olympian ever with 28 medals; record 8 golds at Beijing 2008 |
| World Championships (2001–2015) | 35 | 26 | 7 | 0 | Most golds in World Championship history (26) |
| Pan Pacific Championships | 20 | 16 | 5 | 0 | Dominated across butterfly, IM, and freestyle |
| Nationals / U.S. Trials | 40 | 0 | 0 | 0 | Consistently qualified for Team USA across 5 Olympics |
| Other International Meets | 15 | 0 | 0 | 0 | Continued dominance in relays & individual event |