Men's 400 Freestyle - A Final
World Record: Lucas Martens, 3:39.96
American Record: Larsen Jensen, 3:42.78
U.S. Open Record: Larsen Jensen, 3:43.53
Meet Record: Yang Sun, 3:43.55
2025 TYR Pro Swim Series Westmont:
Samuel Short, 3:44.83
2025 TYR Pro Swim Series Sacramento:
Samuel Short, 3:43.84
Click on the athlete's name below to view their bio.
| Name | Prelims Time |
|---|---|
| Eduardo Cisternas Lane 1 | 3:53.71 |
| Bobby Finke Lane 2 | 3:52.27 |
| Luke Hobson Lane 3 | 3:51.32 |
| Kieran Smith Lane 4 | 3:49.81 |
| Ryan Erisman Lane 5 | 3:50.74 |
| Tomas Koski Lane 6 | 3:51.62 |
| Leon Marchand Lane 7 | 3:52.77 |
| Gabriel Manteufel Lane 8 | 3:56.79 |