| 1 | Alexy Jack | 2003 | USA Unattached Pasa | 00'48''38 | 911 |  |  | |
50m 23.01 (23.01) 100m 48.38 (25.37) [48.38] |
| 2 | Held Ryan | 1995 | USA New York Athletic Club | 00'48''60 | 899 | | | |
50m 23.14 (23.14) 100m 48.60 (25.46) [48.60] |
| 3 | Pieroni Blake | 1995 | USA Indiana Swim Club | 00'48''82 | 887 | | | |
50m 23.39 (23.39) 100m 48.82 (25.43) [48.82] |
| 4 | Kibler Drew | 2000 | USA New York Athletic Club | 00'48''90 | 882 | | | |
50m 23.33 (23.33) 100m 48.90 (25.57) [48.90] |
| 5 | Barna Andrej | 1998 | USA Cardinal Aquatics | 00'48''94 | 880 | | | |
50m 23.45 (23.45) 100m 48.94 (25.49) [48.94] |
| 6 | Jett Gabriel | 2002 | USA Unattached Pasa | 00'49''10 | 872 | | | |
50m 23.95 (23.95) 100m 49.10 (25.15) [49.10] |
| 7 | Dressel Caeleb Remel | 1996 | USA Gator Swim Club | 00'49''11 | 871 | | | |
50m 23.80 (23.80) 100m 49.11 (25.31) [49.11] |
| 8 | Condorelli Santo Yukio | 1995 | USA Dallas Mustangs | 00'49''32 | 860 | | | |
50m 23.54 (23.54) 100m 49.32 (25.78) [49.32] |
| 9 | Pinfold Brett | 1995 | USA Swim Houston Aquatics Center | 00'49''56 | 848 | | | |
50m 23.87 (23.87) 100m 49.56 (25.69) [49.56] |
| 10 | Martins Costa Peixoto Lucas | 2000 | BRA Minas Tenis Clube | 00'49''57 | 847 | | | |
50m 23.84 (23.84) 100m 49.57 (25.73) [49.57] |
| 11 | Curry Brooks | 2001 | USA California Aquatics | 00'49''58 | 846 | | | |
50m 23.53 (23.53) 100m 49.58 (26.05) [49.58] |
| 12 | Mestre Vivas Alberto | 1999 | USA Unattached | 00'49''61 | 845 | | | |
50m 23.50 (23.50) 100m 49.61 (26.11) [49.61] |
| 13 | Urlando Gianluca | 2002 | USA Dart Swimming | 00'49''66 | 842 | | | |
50m 23.92 (23.92) 100m 49.66 (25.74) [49.66] |
| 14 | Ress Justin | 1997 | USA Mission Viejo Nadadores | 00'49''71 | 840 | | | |
50m 23.47 (23.47) 100m 49.71 (26.24) [49.71] |
| 15 | Iga Cesar Jorge Andres | 1997 | USA Pinnacle Racing | 00'49''73 | 839 | | | |
50m 23.84 (23.84) 100m 49.73 (25.89) [49.73] |
| 16 | Zhang Wen | 2001 | USA Unattached | 00'49''74 | 838 | | | |
50m 23.73 (23.73) 100m 49.74 (26.01) [49.74] |
| 17 | Piszczorowicz Bartosz Robert | 1999 | USA Wolfpack Elite | 00'49''84 | 833 | | | |
50m 24.10 (24.10) 100m 49.84 (25.74) [49.84] |
| 18 | Armstrong Jack Skelly | 2001 | USA Houston Bridge Bats | 00'50''08 | 821 | | | |
50m 23.56 (23.56) 100m 50.08 (26.52) [50.08] |
| 19 | Acin Nikola | 1999 | USA Unattached | 00'50''18 | 816 | | | |
50m 24.03 (24.03) 100m 50.18 (26.15) [50.18] |
| 20 | Eastman Michael | 2000 | USA Unattached | 00'50''23 | 814 | | | |
50m 24.01 (24.01) 100m 50.23 (26.22) [50.23] |
| 21 | Sivec Vili | 2003 | USA Cal State Univ - Bakersfield | 00'50''25 | 813 | | | |
50m 24.20 (24.20) 100m 50.25 (26.05) [50.25] |
| 22 | Sayed Ali | 2006 | CAN Team Quebec | 00'50''29 | 811 | | | |
50m 23.93 (23.93) 100m 50.29 (26.36) [50.29] |
| 23 | Andreopoulos Theodoros | 2002 | USA Drexel Dragon Aquatics | 00'50''33 | 809 | | | |
50m 24.12 (24.12) 100m 50.33 (26.21) [50.33] |
| 24 | Shackell Aaron | 2004 | USA Carmel Swim Club | 00'50''37 | 807 | | | |
50m 24.41 (24.41) 100m 50.37 (25.96) [50.37] |
| | Rico Peng Marcos | 2001 | USA New York Athletic Club | 00'50''37 | 807 | | | |
50m 23.67 (23.67) 100m 50.37 (26.70) [50.37] |
| 26 | Rose Dare | 2002 | USA California Aquatics | 00'50''45 | 803 | | | |
50m 23.97 (23.97) 100m 50.45 (26.48) [50.45] |
| 27 | Smith Sebastian | 2004 | USA Patriot Swim Club | 00'50''46 | 803 | | | |
50m 23.83 (23.83) 100m 50.46 (26.63) [50.46] |
| 28 | Franco Borges Luiz Gustavo | 1999 | BRA Minas Tenis Clube | 00'50''73 | 790 | | | |
50m 24.28 (24.28) 100m 50.73 (26.45) [50.73] |
| 29 | Ingram Hunter | 2001 | USA Arizona Elite | 00'50''79 | 787 | | | |
50m 24.28 (24.28) 100m 50.79 (26.51) [50.79] |
| | Muhlenberg Scheffer Fernando | 1998 | BRA Brazil | 00'50''79 | 787 | | | |
50m 24.37 (24.37) 100m 50.79 (26.42) [50.79] |
| 31 | Loy Andrew | 1998 | USA Phoenix Swim Club | 00'50''92 | 781 | | | |
50m 24.59 (24.59) 100m 50.92 (26.33) [50.92] |
| 32 | Nolles Leo | 2003 | USA Uruguayan Swimming | 00'51''04 | 776 | | | |
50m 24.66 (24.66) 100m 51.04 (26.38) [51.04] |
| 33 | Hadji Thomas | 2005 | USA Army West Point | 00'51''06 | 775 | | | |
50m 24.35 (24.35) 100m 51.06 (26.71) [51.06] |
| 34 | Heilman Thomas | 2007 | USA Cavalier Swimming | 00'51''18 | 770 | | | |
50m 24.67 (24.67) 100m 51.18 (26.51) [51.18] |
| 35 | Carswell Thomas | 2000 | GBR Swim Wales | 00'51''42 | 759 | | | |
50m 24.27 (24.27) 100m 51.42 (27.15) [51.42] |
| 36 | Jones Daniel | 1996 | GBR Swim Wales | 00'51''43 | 758 | | | |
50m 24.25 (24.25) 100m 51.43 (27.18) [51.43] |
| 37 | Glover George | 2002 | USA Army West Point | 00'51''62 | 750 | | | |
50m 24.95 (24.95) 100m 51.62 (26.67) [51.62] |
| 38 | Connolly Alec | 1998 | USA Tennessee Aquatics | 00'51''66 | 748 | | | |
50m 24.81 (24.81) 100m 51.66 (26.85) [51.66] |
| 39 | Gonzalez George | 2007 | USA Unattached | 00'51''73 | 745 | | | |
50m 24.32 (24.32) 100m 51.73 (27.41) [51.73] |
| 40 | Williams Solomon | 2005 | GBR Swim Wales | 00'51''81 | 742 | | | |
50m 24.96 (24.96) 100m 51.81 (26.85) [51.81] |
| 41 | Cynor Quinn | 2002 | USA Wyoming Aquatics | 00'51''86 | 740 | | | |
50m 25.24 (25.24) 100m 51.86 (26.62) [51.86] |
| 42 | Feddag Hocine | 2004 | CAN Team Quebec | 00'51''90 | 738 | | | |
50m 24.84 (24.84) 100m 51.90 (27.06) [51.90] |
| 43 | Novak Jesse | 1995 | USA Irvine Novaquatics | 00'51''93 | 737 | | | |
50m 24.51 (24.51) 100m 51.93 (27.42) [51.93] |
| 44 | Obochi Kevin | 2005 | USA Patriot Aquatics | 00'52''21 | 725 | | | |
50m 24.85 (24.85) 100m 52.21 (27.36) [52.21] |
| 45 | Hill Xavier | 2004 | USA University Of Denver Hilltoppe | 00'52''25 | 723 | | | |
50m 25.41 (25.41) 100m 52.25 (26.84) [52.25] |
| 46 | Amaral Schneider Arthur | 2002 | USA Cal State Univ - Bakersfield | 00'52''34 | 719 | | | |
50m 25.03 (25.03) 100m 52.34 (27.31) [52.34] |
| 47 | Cope Tommy | 1997 | USA Unattached | 00'52''38 | 718 | | | |
50m 25.45 (25.45) 100m 52.38 (26.93) [52.38] |
| 48 | Powers Hammond Thomas | 2005 | USA Swim Fort Lauderdale | 00'52''49 | 713 | | | |
50m 25.37 (25.37) 100m 52.49 (27.12) [52.49] |
| 49 | Kasal Max | 2003 | USA Unattached | 00'52''55 | 711 | | | |
50m 24.95 (24.95) 100m 52.55 (27.60) [52.55] |
| 50 | Goettsch Max | 2007 | USA FMC Aquatic | 00'52''56 | 710 | | | |
50m 25.09 (25.09) 100m 52.56 (27.47) [52.56] |
| 51 | Mueller Jeremy | 2004 | USA Unattached | 00'52''60 | 709 | | | |
50m 25.13 (25.13) 100m 52.60 (27.47) [52.60] |
| 52 | Chang Joey | 2004 | USA Army West Point | 00'52''76 | 702 | | | |
50m 25.16 (25.16) 100m 52.76 (27.60) [52.76] |
| 53 | Forbes Ben | 2001 | USA Unattached | 00'52''83 | 700 | | | |
50m 24.77 (24.77) 100m 52.83 (28.06) [52.83] |
| 54 | Hanson Andrew | 2005 | USA Mako Swim Team | 00'52''88 | 698 | | | |
50m 25.26 (25.26) 100m 52.88 (27.62) [52.88] |
| 55 | Musso Aiden | 2004 | USA FMC Aquatic | 00'52''89 | 697 | | | |
50m 25.37 (25.37) 100m 52.89 (27.52) [52.89] |
| | Harting Zach | 1997 | USA Cardinal Aquatics | 00'52''89 | 697 | | | |
50m 24.72 (24.72) 100m 52.89 (28.17) [52.89] |
| | Hayburn Patrick | 2002 | USA Loyola University Maryland | 00'52''89 | 697 | | | |
50m 24.73 (24.73) 100m 52.89 (28.16) [52.89] |
| 58 | Kelly Andy | 2003 | USA Unattached | 00'52''95 | 695 | | | |
50m 25.23 (25.23) 100m 52.95 (27.72) [52.95] |
| 59 | Thomas Nathaniel | 2004 | USA Unattached | 00'53''00 | 693 | | | |
50m 25.36 (25.36) 100m 53.00 (27.64) [53.00] |
| 60 | Ouellet Mathieu | 2003 | CAN Team Quebec | 00'53''02 | 692 | | | |
50m 25.15 (25.15) 100m 53.02 (27.87) [53.02] |
| 61 | Saglam Yigit | 2001 | USA Cal State Univ - Bakersfield | 00'53''07 | 690 | | | |
50m 25.48 (25.48) 100m 53.07 (27.59) [53.07] |
| 62 | Mazurek Dominic | 2006 | USA FMC Aquatic | 00'53''18 | 686 | | | |
50m 25.02 (25.02) 100m 53.18 (28.16) [53.18] |
| 63 | Voicu Sebastien | 2004 | CAN Team Quebec | 00'53''25 | 683 | | | |
50m 25.26 (25.26) 100m 53.25 (27.99) [53.25] |
| 64 | Dahlgren Jack Andrew | 2000 | USA Team Triumph | 00'53''51 | 673 | | | |
50m 25.71 (25.71) 100m 53.51 (27.80) [53.51] |
| 65 | Harris Nathaniel | 2005 | USA FMC Aquatic | 00'54''07 | 653 | | | |
50m 25.52 (25.52) 100m 54.07 (28.55) [54.07] |
| 66 | Arteaga Hugo | 2006 | USA Southeastern Aquatics | 00'54''95 | 622 | | | |
50m 25.75 (25.75) 100m 54.95 (29.20) [54.95] |
| 67 | Boulaajoul Zackariah | 2004 | CAN Team Quebec | 00'55''20 | 613 | | | |
50m 25.62 (25.62) 100m 55.20 (29.58) [55.20] |
| | Fraser Lewis | 2000 | GBR Swim Wales | Squalificato | |
