| 1 | Chadwick Michael Hunt | 1995 | USA Team Elite | 00'49''36 | 858 |  |  | |
50m 23.88 (23.88) 100m 49.36 (25.48) [49.36] |
| 2 | Jackson Tate | 1997 | USA Unattached Txla | 00'49''46 | 853 | | | |
50m 23.86 (23.86) 100m 49.46 (25.60) [49.46] |
| 3 | Holoda Peter | 1996 | USA Phoenix Swim Club | 00'49''54 | 849 | | | |
50m 23.81 (23.81) 100m 49.54 (25.73) [49.54] |
| 4 | Quintero Valero Cristian Daniel | 1992 | USA Trojan Swim Club | 00'49''64 | 843 | | | |
50m 23.97 (23.97) 100m 49.64 (25.67) [49.64] |
| 5 | Carter Dylan | 1996 | USA Unattached Te | 00'50''08 | 821 | | | |
50m 24.18 (24.18) 100m 50.08 (25.90) [50.08] |
| 6 | Grabich Federico | 1990 | ARG Argentina | 00'50''11 | 820 | | | |
50m 24.52 (24.52) 100m 50.11 (25.59) [50.11] |
| 7 | Haas Townley | 1996 | USA Nova Of Virginia Aquatics, Inc | 00'50''15 | 818 | | | |
50m 24.30 (24.30) 100m 50.15 (25.85) [50.15] |
| 8 | Castano Garcia Gabriel | 1997 | MEX Mexico | 00'50''22 | 815 | | | |
50m 23.89 (23.89) 100m 50.22 (26.33) [50.22] |
| 9 | Urlando Gianluca | 2002 | USA Dart Swimming | 00'50''64 | 794 | | | |
50m 24.56 (24.56) 100m 50.64 (26.08) [50.64] |
| 10 | Tandy Bradley Edward | 1991 | USA Phoenix Swim Club | 00'50''71 | 791 | | | |
50m 23.91 (23.91) 100m 50.71 (26.80) [50.71] |
| 11 | Alexy Jack | 2003 | USA Somerset Hills Ymca | 00'50''77 | 788 | | | |
50m 24.50 (24.50) 100m 50.77 (26.27) [50.77] |
| 12 | Miller Lukas Davin | 2002 | NZL Elevation Athletics | 00'50''94 | 780 | | | |
50m 24.54 (24.54) 100m 50.94 (26.40) [50.94] |
| | Iga Cesar Jorge Andres | 1997 | MEX Mexico | 00'50''94 | 780 | | | |
50m 24.58 (24.58) 100m 50.94 (26.36) [50.94] |
| 14 | Freeman III Trey | 2000 | USA Baylor Swim Club | 00'51''15 | 771 | | | |
50m 25.10 (25.10) 100m 51.15 (26.05) [51.15] |
| 15 | Ramirez Carranza Daniel | 1992 | MEX Mexico | 00'51''21 | 768 | | | |
50m 24.63 (24.63) 100m 51.21 (26.58) [51.21] |
| 16 | Olafson Carson | 1997 | CAN Hpc Vancouver | 00'51''22 | 768 | | | |
50m 24.99 (24.99) 100m 51.22 (26.23) [51.22] |
| 17 | Bagshaw Jeremy Soong Jian Min | 1992 | USA High Performance Center Victor | 00'51''71 | 746 | | | |
50m 25.16 (25.16) 100m 51.71 (26.55) [51.71] |
| 18 | Pratt Alexander | 2000 | CAN Hpc Vancouver | 00'52''05 | 732 | | | |
50m 25.57 (25.57) 100m 52.05 (26.48) [52.05] |
| 19 | Konik Justin | 2000 | CAN UBC Thunderbirds | 00'52''21 | 725 | | | |
50m 25.87 (25.87) 100m 52.21 (26.34) [52.21] |
| | Forbes Ben | 2001 | USA Clovis Swim Club | 00'52''21 | 725 | | | |
50m 24.97 (24.97) 100m 52.21 (27.24) [52.21] |
| 21 | Wight Gavin | 2001 | USA Unattached | 00'52''22 | 724 | | | |
50m 25.15 (25.15) 100m 52.22 (27.07) [52.22] |
| | Jasso Escoto Mariano | 2002 | MEX Mexico | 00'52''22 | 724 | | | |
50m 24.98 (24.98) 100m 52.22 (27.24) [52.22] |
| 23 | Lincoln Michael | 1999 | USA Alto Swim Club | 00'52''38 | 718 | | | |
50m 25.44 (25.44) 100m 52.38 (26.94) [52.38] |
| 24 | Spinazzola Luca Matthew | 1992 | USA Trojan Swim Club | 00'52''50 | 713 | | | |
50m 25.14 (25.14) 100m 52.50 (27.36) [52.50] |
| 25 | Brimer Ryan | 1999 | USA Roadrunner Aquatic | 00'52''84 | 699 | | | |
50m 25.16 (25.16) 100m 52.84 (27.68) [52.84] |
| 26 | Coetzee Ryan | 1995 | USA Tennessee Aquatics | 00'52''90 | 697 | | | |
50m 24.79 (24.79) 100m 52.90 (28.11) [52.90] |
| 27 | Clasen Garrett | 2000 | USA Unattached | 00'52''98 | 694 | | | |
50m 25.48 (25.48) 100m 52.98 (27.50) [52.98] |
| 28 | Lierz Harrison | 2002 | NZL Elevation Athletics | 00'53''02 | 692 | | | |
50m 25.23 (25.23) 100m 53.02 (27.79) [53.02] |
| 29 | Nixon Jacob | 2001 | USA Livermore Aqua Cowboys | 00'53''12 | 688 | | | |
50m 25.53 (25.53) 100m 53.12 (27.59) [53.12] |
| 30 | Daniels Connor | 2002 | USA Dart Swimming | 00'53''60 | 670 | | | |
50m 26.24 (26.24) 100m 53.60 (27.36) [53.60] |
| 31 | Percin Sean | 2001 | USA Orinda Aquatics | 00'53''62 | 669 | | | |
50m 26.25 (26.25) 100m 53.62 (27.37) [53.62] |
| 32 | Armes Ryan | 1998 | USA Unattached - Victory Aquatics | 00'53''73 | 665 | | | |
50m 25.36 (25.36) 100m 53.73 (28.37) [53.73] |
| 33 | Mansheim Tyler | 2001 | USA Clovis Swim Club | 00'53''74 | 665 | | | |
50m 25.52 (25.52) 100m 53.74 (28.22) [53.74] |
| 34 | Hickman Noah | 1999 | USA Roadrunner Aquatic | 00'53''79 | 663 | | | |
50m 26.04 (26.04) 100m 53.79 (27.75) [53.79] |
| 35 | White Kyle | 1999 | USA Unattached | 00'54''01 | 655 | | | |
50m 26.79 (26.79) 100m 54.01 (27.22) [54.01] |
| 36 | Masei Micah | 1999 | ASA American Samoa | 00'54''26 | 646 | | | |
50m 26.11 (26.11) 100m 54.26 (28.15) [54.26] |
| 37 | Campbell Richie | 1998 | USA Roadrunner Aquatic | 00'55''02 | 619 | | | |
50m 26.48 (26.48) 100m 55.02 (28.54) [55.02] |
| 38 | Yu Ruishen | 2000 | CAN UBC Thunderbirds | 00'55''09 | 617 | | | |
50m 26.57 (26.57) 100m 55.09 (28.52) [55.09] |
| 39 | Boratto Alessandro Roberto | 1999 | USA Unattached | 00'55''10 | 617 | | | |
50m 26.70 (26.70) 100m 55.10 (28.40) [55.10] |
| 40 | Williams Boston | 1999 | USA Unattached - Victory Aquatics | 00'55''36 | 608 | | | |
50m 25.89 (25.89) 100m 55.36 (29.47) [55.36] |
