| 1 | Dressel Caeleb Remel | 1996 | USA Gator Swim Club | 00'23''43 | 877 |  |  | |
50m 23.43 (23.43) |
| 2 | Andrew Michael | 1999 | USA Race Pace Club | 00'23''54 | 865 | | | |
50m 23.54 (23.54) |
| 3 | Smith Giles | 1991 | USA Phoenix Swim Club | 00'23''69 | 848 | | | |
50m 23.69 (23.69) |
| 4 | Grassi Santiago | 1996 | USA Auburn University Swim Club | 00'23''74 | 843 | | | |
50m 23.74 (23.74) |
| 5 | Lile Nathaniel | 1994 | USA Gamecock Aquatics | 00'23''92 | 824 | | | |
50m 23.92 (23.92) |
| 6 | Saunderson Jack Patrick | 1997 | USA Towson University Swimming | 00'24''03 | 813 | | | |
50m 24.03 (24.03) |
| 7 | Harting Zach | 1997 | USA University Of Louisville | 00'24''13 | 803 | | | |
50m 24.13 (24.13) |
| 8 | Conger Jack | 1994 | USA Cavalier Swimming | 00'24''17 | 799 | | | |
50m 24.17 (24.17) |
| 9 | Sendyk Pawel | 1997 | USA Alto Swim Club | 00'24''18 | 798 | | | |
50m 24.18 (24.18) |
| 10 | Held Ryan | 1995 | USA Unattached | 00'24''25 | 791 | | | |
50m 24.25 (24.25) |
| 11 | Sameh Abdelrahman | 2000 | EGY Egypt | 00'24''34 | 782 | | | |
50m 24.34 (24.34) |
| 12 | Ivanov Antani | 1999 | USA Unattached | 00'24''46 | 771 | | | |
50m 24.46 (24.46) |
| 13 | Wilburn Cason | 2001 | USA East Coast Aquatic Team | 00'24''60 | 758 | | | |
50m 24.60 (24.60) |
| 14 | Mckenzie Samuel | 1999 | USA Grand Canyon University | 00'24''92 | 729 | | | |
50m 24.92 (24.92) |
| 15 | Whelan Matthew | 2000 | USA Unattached | 00'24''94 | 727 | | | |
50m 24.94 (24.94) |
| 16 | Deliyiannis Mihalis | 1999 | USA University Of Louisville | 00'25''04 | 718 | | | |
50m 25.04 (25.04) |
| 17 | Dawson Christopher | 1993 | NZL Nuova Zelanda | 00'25''11 | 712 | | | |
50m 25.11 (25.11) |
| 18 | Chavez Bryan | 1999 | USA Unattached Tra | 00'25''16 | 708 | | | |
50m 25.16 (25.16) |
| 19 | Sofianidis Nikos | 1998 | USA University Of Louisville | 00'25''18 | 706 | | | |
50m 25.18 (25.18) |
| 20 | Wilson James | 1998 | USA Unattached | 00'25''39 | 689 | | | |
50m 25.39 (25.39) |
| 21 | Mauldin Caleb | 2000 | USA Unattached | 00'25''41 | 687 | | | |
50m 25.41 (25.41) |
| 22 | Coetzee Wilrich | 1997 | NZL Nuova Zelanda | 00'25''50 | 680 | | | |
50m 25.50 (25.50) |
| 23 | Morales Josiah | 1994 | USA Performance Aquatics | 00'25''58 | 674 | | | |
50m 25.58 (25.58) |
| 24 | Oderinde David | 2002 | USA Premier Aquatics Club Of Klein | 00'25''73 | 662 | | | |
50m 25.73 (25.73) |
| 25 | Klinsky Spencer | 1998 | USA Redhawk Aquatics | 00'25''74 | 661 | | | |
50m 25.74 (25.74) |
| 26 | Doherty Jack | 1998 | USA Unattached | 00'25''89 | 650 | | | |
50m 25.89 (25.89) |
| 27 | Mestre Vivas Alberto | 1999 | USA Gator Swim Club | 00'25''90 | 649 | | | |
50m 25.90 (25.90) |
| 28 | Reilly Colin | 2000 | USA Princeton University Swim Team | 00'26''03 | 639 | | | |
50m 26.03 (26.03) |
| 29 | Chiu Alexander | 2001 | USA South Jersey Aquatic Club | 00'26''12 | 633 | | | |
50m 26.12 (26.12) |
| 30 | Miceli Mateo | 2002 | USA Sarpy County Swim Club | 00'26''67 | 594 | | | |
50m 26.67 (26.67) |
| 31 | Portmann Jack | 1998 | USA West Virginia University | 00'28''37 | 494 | | | |
50m 28.37 (28.37) |
