| 1 | Stokowski Kacper Aleksander | 1999 | USA Nc State University | 00'54''11 | 867 |  |  | |
50m 26.33 (26.33) 100m 54.11 (27.78) [54.11] |
| 2 | Casas Shaine M | 1999 | USA Longhorn Aquatics | 00'54''16 | 864 | | | |
50m 26.20 (26.20) 100m 54.16 (27.96) [54.16] |
| 3 | Marshall Jonny | 2004 | USA Unattached | 00'54''63 | 842 | | | |
50m 26.21 (26.21) 100m 54.63 (28.42) [54.63] |
| 4 | Smith Kieran | 2000 | USA Ridgefield Aquatic Club | 00'54''80 | 834 | | | |
50m 26.93 (26.93) 100m 54.80 (27.87) [54.80] |
| 5 | Ress Justin | 1997 | USA Mission Viejo Nadadores | 00'54''98 | 826 | | | |
50m 26.40 (26.40) 100m 54.98 (28.58) [54.98] |
| 6 | Stoffle Aidan | 2000 | USA Auburn University Swim Club | 00'55''05 | 823 | | | |
50m 27.03 (27.03) 100m 55.05 (28.02) [55.05] |
| 7 | Armstrong Hunter Joseph | 2001 | USA New York Athletic Club | 00'55''41 | 807 | | | |
50m 26.98 (26.98) 100m 55.41 (28.43) [55.41] |
| 8 | Molacek Jacob | 1995 | USA Texas Ford Aquatics | 00'55''53 | 802 | | | |
50m 26.44 (26.44) 100m 55.53 (29.09) [55.53] |
| 9 | Aikins Jack | 2002 | USA Unattached | 00'55''57 | 800 | | | |
50m 26.95 (26.95) 100m 55.57 (28.62) [55.57] |
| 10 | Diehl Daniel | 2005 | USA Unattached | 00'55''68 | 795 | | | |
50m 27.11 (27.11) 100m 55.68 (28.57) [55.68] |
| 11 | Jones Jackson Keaton | 2004 | USA Unattached | 00'55''77 | 792 | | | |
50m 27.08 (27.08) 100m 55.77 (28.69) [55.77] |
| 12 | Tapp Hunter | 2001 | USA Nc State University | 00'56''36 | 767 | | | |
50m 27.49 (27.49) 100m 56.36 (28.87) [56.36] |
| 13 | Kyser Landon | 2006 | USA Bolles School Sharks | 00'56''58 | 758 | | | |
50m 27.79 (27.79) 100m 56.58 (28.79) [56.58] |
| 14 | Crush Johnny | 2005 | USA Lakeside Swim Team | 00'56''64 | 756 | | | |
50m 27.47 (27.47) 100m 56.64 (29.17) [56.64] |
| 15 | Taylor Lamar | 2003 | USA Unattached | 00'56''72 | 752 | | | |
50m 27.46 (27.46) 100m 56.72 (29.26) [56.72] |
| 16 | Kammann Bjorn | 2001 | USA University Of Tennessee | 00'56''80 | 749 | | | |
50m 27.63 (27.63) 100m 56.80 (29.17) [56.80] |
| 17 | Thames Christopher | 1998 | USA Metro Atlanta Aquatic Club | 00'56''88 | 746 | | | |
50m 27.47 (27.47) 100m 56.88 (29.41) [56.88] |
| 18 | Nichola Spencer | 2005 | USA Nashville Aquatic Club | 00'56''98 | 742 | | | |
50m 27.60 (27.60) 100m 56.98 (29.38) [56.98] |
| 19 | Lierz Harrison | 2002 | USA University Of Tennessee | 00'57''10 | 737 | | | |
50m 27.47 (27.47) 100m 57.10 (29.63) [57.10] |
| 20 | Morales Miranda Yeziel David | 1996 | USA Mission Viejo Nadadores | 00'57''31 | 729 | | | |
50m 27.84 (27.84) 100m 57.31 (29.47) [57.31] |
| 21 | Park Jason | 2000 | USA Metroplex Aquatics | 00'57''40 | 726 | | | |
50m 27.69 (27.69) 100m 57.40 (29.71) [57.40] |
| | Perez Fra Luigi | 2003 | USA Unattached Si | 00'57''40 | 726 | | | |
50m 27.74 (27.74) 100m 57.40 (29.66) [57.40] |
| 23 | Amlicke Blake | 2006 | USA Nashville Aquatic Club | 00'57''43 | 725 | | | |
50m 27.73 (27.73) 100m 57.43 (29.70) [57.43] |
| 24 | Driggers Landon | 2001 | USA University Of Tennessee | 00'57''50 | 722 | | | |
50m 28.22 (28.22) 100m 57.50 (29.28) [57.50] |
| 25 | Bennison James | 2005 | USA New Wave Swim Team | 00'57''63 | 717 | | | |
50m 27.53 (27.53) 100m 57.63 (30.10) [57.63] |
| 26 | King David | 2005 | USA Cavalier Swimming | 00'57''79 | 711 | | | |
50m 28.08 (28.08) 100m 57.79 (29.71) [57.79] |
| 27 | Tiell Korey | 2004 | USA University Of Denver Hilltoppe | 00'58''07 | 701 | | | |
50m 27.75 (27.75) 100m 58.07 (30.32) [58.07] |
| 28 | Beckstead Holman William | 2003 | CAN Canada | 00'58''26 | 694 | | | |
50m 27.81 (27.81) 100m 58.26 (30.45) [58.26] |
| 29 | Carrington Liam | 2008 | USA Bolles School Sharks | 00'58''28 | 694 | | | |
50m 28.35 (28.35) 100m 58.28 (29.93) [58.28] |
| 30 | Amerson Luke | 2006 | USA Dynamo Swim Club | 00'58''38 | 690 | | | |
50m 28.20 (28.20) 100m 58.38 (30.18) [58.38] |
| 31 | Ciorna Patrick | 2007 | USA Annapolis Swim Club | 00'58''40 | 689 | | | |
50m 28.33 (28.33) 100m 58.40 (30.07) [58.40] |
| 32 | Mercer Thomas | 2006 | USA Lakeside Swim Team | 00'58''51 | 685 | | | |
50m 28.16 (28.16) 100m 58.51 (30.35) [58.51] |
| 33 | Hadley Griffin | 2002 | USA University Of Tennessee | 00'58''56 | 684 | | | |
50m 28.66 (28.66) 100m 58.56 (29.90) [58.56] |
| 34 | Pinfold Brett | 1995 | USA Swim Houston Aquatics Center | 00'58''60 | 682 | | | |
50m 27.90 (27.90) 100m 58.60 (30.70) [58.60] |
| 35 | Griswold Robby | 2004 | USA Unattached Si | 00'58''85 | 674 | | | |
50m 28.50 (28.50) 100m 58.85 (30.35) [58.85] |
| 36 | Decker Nate | 2005 | USA Naval Academy Aquatic Club | 00'58''96 | 670 | | | |
50m 28.52 (28.52) 100m 58.96 (30.44) [58.96] |
| | Williams Ryan | 2000 | USA University Of Tennessee | 00'58''96 | 670 | | | |
50m 28.66 (28.66) 100m 58.96 (30.30) [58.96] |
| 38 | Balbi Joshua | 2002 | USA Saint Andrew's Swimming | 00'59''12 | 664 | | | |
50m 28.22 (28.22) 100m 59.12 (30.90) [59.12] |
| | Leach Mason | 2006 | USA Hillsboro Swim Team | 00'59''12 | 664 | | | |
50m 28.50 (28.50) 100m 59.12 (30.62) [59.12] |
| 40 | Rollen Eli | 2004 | USA Unattached | 00'59''15 | 663 | | | |
50m 28.44 (28.44) 100m 59.15 (30.71) [59.15] |
| 41 | Capen Brayden | 2008 | USA Academy Bullets Swim Club | 00'59''20 | 662 | | | |
50m 28.31 (28.31) 100m 59.20 (30.89) [59.20] |
| 42 | Tretyak Michael | 2005 | USA Huntsville Swim Association | 00'59''31 | 658 | | | |
50m 28.22 (28.22) 100m 59.31 (31.09) [59.31] |
| 43 | Conti Evan | 2006 | USA Academy Bullets Swim Club | 00'59''61 | 648 | | | |
50m 28.72 (28.72) 100m 59.61 (30.89) [59.61] |
| 44 | Erisman Ryan | 2006 | USA Laker Swim | 00'59''78 | 643 | | | |
50m 29.14 (29.14) 100m 59.78 (30.64) [59.78] |
| 45 | Kazak Vladislav | 2006 | USA Highlands Ranch Aquatics | 00'59''79 | 642 | | | |
50m 29.49 (29.49) 100m 59.79 (30.30) [59.79] |
| | Roche Ricardo | 1999 | USA South Florida Aquatic Club | 00'59''79 | 642 | | | |
50m 28.91 (28.91) 100m 59.79 (30.88) [59.79] |
| 47 | Petitt Cameron | 2006 | USA Buckeye Swim Club | 00'59''93 | 638 | | | |
50m 29.18 (29.18) 100m 59.93 (30.75) [59.93] |
