Men's 400 IM - A Final
World Record: Leon Marchand, 4:02.50
American Record: Michael Phelps, 4:03.84
U.S. Open Record: Michael Phelps, 4:05.25
Meet Record: Leon Marchand, 4:07.80
2025 TYR Pro Swim Series Westmont:
Carson Foster, 4:09.51
Click on the athlete's name below to view their bio.
| Name | Prelims Time |
|---|---|
| Robbie Doolittle Lane 1 | 4:39.81 |
| Kyle Valdez Lane 2 | 4:39.29 |
| Grant Sanders Lane 3 | 4:29.71 |
| Michael Hochwalt Lane 4 | 4:27.15 |
| Alec Enyeart Lane 5 | 4:28.41 |
| Ian Gonzalez Lane 6 | 4:33.19 |
| Dominik Irons Lane 7 | 4:39.39 |
| Julian Tucker Lane 8 | 4:43.28 |