Men's 100 Butterfly - B Final
World Record: Caeleb Dressel, 49.45
American Record: Caeleb Dressel, 49.45
U.S. Open Record: Caeleb Dressel, 49.76
Meet Record: Shaine Casas, 50.80
2025 TYR Pro Swim Series Westmont:
Shaine Casas, 50.82
2025 TYR Pro Swim Series Sacramento:
Maxime Grousset, 51.30
Click on the athlete's name below to view their bio.
| Name | Prelims Time |
|---|---|
| Rowan Cox Lane 1 | 53.97 |
| Ryan Branon Lane 2 | 53.87 |
| Filip Senc-Samardzic Lane 3 | 53.71 |
| Jack Dahlgren Lane 4 | 53.48 |
| Alex Karahalis Lane 5 | 53.54 |
| Will Hayon Lane 6 | 53.77 |
| Sebastian Smith Lane 7 | 53.88 |
| Charles Howard Lane 8 | 54.21 |