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USA Boys 10 & under - 100 Y Back

These rankings show the swimmers' placement within the United States.
They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.

Swimmer Rankings

Ranking Name Time Age Standard to Next Standard Team Date Meet
851 Isaac Toledo 1:21.03 10 BB Min A: 1:19.59 (+1.44s | 1.8%) Fusion Aquatics 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Back
39.89
39.89
100 Back
41.14
1:21.03
100 Back
1:21.03
852 Connor Woo 1:21.04 10 BB Min A: 1:19.59 (+1.45s | 1.8%) Rockville Montgomery Swim Club 03/12/2026 2026 PV SC 14 Under Championships Copied
50 Back
39.70
39.70
100 Back
41.34
1:21.04
100 Back
1:21.04
853 Kaimana Hashimoto 1:21.04 10 BB Min A: 1:19.59 (+1.45s | 1.8%) Splash Aquatics, Inc 03/19/2026 2026 Northwest Region AG Champs Approved
50 Back
39.14
39.14
100 Back
41.90
1:21.04
100 Back
1:21.04
854 Timur Kolchin 1:21.05 10 BB Min A: 1:19.59 (+1.46s | 1.8%) Fast Lane Aquatics 01/30/2026 2026 FAST February Helping Hands Invite
50 Back
38.99
38.99
100 Back
42.06
1:21.05
100 Back
1:21.05
855 Owen Nguyen 1:21.07 10 BB Min A: 1:19.59 (+1.48s | 1.8%) Mission Viejo Nadadores 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Back
40.09
40.09
100 Back
40.98
1:21.07
100 Back
1:21.07
856 Timur Kochmar 1:21.08 9 BB Min A: 1:19.59 (+1.49s | 1.8%) SwimRight Team 12/11/2025 35th Annual Winter Championships
50 Back
38.21
38.21
100 Back
42.87
1:21.08
100 Back
1:21.08
857 Theodore Scharper 1:21.08 9 BB Min A: 1:19.59 (+1.49s | 1.8%) North Baltimore Aquatic Club 03/05/2026 2026 MD LSC 14 U Championships
50 Back
39.67
39.67
100 Back
41.41
1:21.08
100 Back
1:21.08
858 Elias Morgan 1:21.09 10 BB Min A: 1:19.59 (+1.50s | 1.8%) Huntsville Swim Association 12/05/2025 2025 Holiday Classic
50 Back
40.20
40.20
100 Back
40.89
1:21.09
100 Back
1:21.09
859 Charles Doran 1:21.11 10 BB Min A: 1:19.59 (+1.52s | 1.9%) Nova of Virginia 03/21/2026 NOVA Short Course Send Off 2026
50 Back
39.79
39.79
100 Back
41.32
1:21.11
100 Back
1:21.11
860 Bryant Yang 1:21.12 10 BB Min A: 1:19.59 (+1.53s | 1.9%) Tac Titans 01/16/2026 2026 Vector Security Polar Plunge Meet
50 Back
39.40
39.40
100 Back
41.72
1:21.12
100 Back
1:21.12
861 Cannon Brown 1:21.16 10 BB Min A: 1:19.59 (+1.57s | 1.9%) Olympic Cascade Aquatics 03/19/2026 2026 Northwest Region AG Champs Approved
50 Back
38.98
38.98
100 Back
42.18
1:21.16
100 Back
1:21.16
862 Michael Fan 1:21.17 10 BB Min A: 1:19.59 (+1.58s | 1.9%) High Performance Aquatic Club 02/13/2026 2026 ST HPAC STX Champs South
50 Back
40.66
40.66
100 Back
40.51
1:21.17
100 Back
1:21.17
863 Theodore Neese 1:21.19 10 BB Min A: 1:19.59 (+1.60s | 2.0%) Bend Swim Club 02/21/2026 2026 Arena Short Course 10 U Championships
50 Back
40.87
40.87
100 Back
40.32
1:21.19
100 Back
1:21.19
864 Hei Chan 1:21.22 10 BB Min A: 1:19.59 (+1.63s | 2.0%) Alto Swim Club 03/28/2026 Alto Rock The Blocks Invitational 2026
50 Back
39.19
39.19
100 Back
42.03
1:21.22
100 Back
1:21.22
865 Nick Scarpitti 1:21.22 10 BB Min A: 1:19.59 (+1.63s | 2.0%) Cincinnati Aquatic Club 03/12/2026 2026 OH SC Junior Championships
50 Back
39.39
39.39
100 Back
41.83
1:21.22
100 Back
1:21.22
866 Porter Pitti 1:21.23 9 BB Min A: 1:19.59 (+1.64s | 2.0%) Olympus Aquatics 09/19/2025 2025 Thomas G Thorum IMX Challenge
50 Back
39.09
39.09
100 Back
42.14
1:21.23
100 Back
1:21.23
867 Ian Addanki 1:21.24 10 BB Min A: 1:19.59 (+1.65s | 2.0%) Hudson Explorer Aquatic 03/12/2026 2026 OH SC Junior Championships
50 Back
39.49
39.49
100 Back
41.75
1:21.24
100 Back
1:21.24
868 Benjamin Zorman 1:21.24 10 BB Min A: 1:19.59 (+1.65s | 2.0%) Matchpoint Nyc 02/07/2026 2026 MR FREE Championships Meets Qualifier
50 Back
39.62
39.62
100 Back
41.62
1:21.24
100 Back
1:21.24
869 Ryan Tsuchitani 1:21.26 10 BB Min A: 1:19.59 (+1.67s | 2.1%) Mason Makos Swim Team 01/16/2026 GSA January Jump Start 2026
50 Back
39.08
39.08
100 Back
42.18
1:21.26
100 Back
1:21.26
870 Thomas Nash 1:21.26 9 BB Min A: 1:19.59 (+1.67s | 2.1%) Coast Gaurd Blue Dolphins 02/13/2026 2026 Southeast District 9 12 Championship
50 Back
39.09
39.09
100 Back
42.17
1:21.26
100 Back
1:21.26
871 Sawyer Ludeker 1:21.27 10 BB Min A: 1:19.59 (+1.68s | 2.1%) Stingrays Swim Team 03/12/2026 2026 Virginia Swimming SC Age Group Champions
872 Joshua Margolius 1:21.27 9 BB Min A: 1:19.59 (+1.68s | 2.1%) Rivertown Aquatics 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Back
38.62
38.62
100 Back
42.65
1:21.27
100 Back
1:21.27
873 Levi Rose 1:21.27 10 BB Min A: 1:19.59 (+1.68s | 2.1%) Cavalier Aquatics/Piedmont Fam 10/03/2025 CA Y Fall Kick Off 2025
50 Back
39.48
39.48
100 Back
41.79
1:21.27
100 Back
1:21.27
874 Connor Finan 1:21.28 9 BB Min A: 1:19.59 (+1.69s | 2.1%) Atlantic Coast Athletic Club 01/16/2026 CA Y Winter Rumble Copied
50 Back
38.88
38.88
100 Back
42.40
1:21.28
100 Back
1:21.28
875 Chase Witt 1:21.28 10 BB Min A: 1:19.59 (+1.69s | 2.1%) Gold\\\\\\'s Aquatics Club (Camas) 03/19/2026 2026 Northwest Region AG Champs Approved
50 Back
39.59
39.59
100 Back
41.69
1:21.28
100 Back
1:21.28
876 Lucas Howell 1:21.29 10 BB Min A: 1:19.59 (+1.70s | 2.1%) Farmingdale Aquatics 11/07/2025 2025 MR LIE Fall Classic Invitational
50 Back
39.32
39.32
100 Back
41.97
1:21.29
100 Back
1:21.29
877 Osvalt Weng Brouard 1:21.30 10 BB Min A: 1:19.59 (+1.71s | 2.1%) Long Island Aquatic Club 02/20/2026 2026 MR Silvers Championship South HAUP
50 Back
39.51
39.51
100 Back
41.79
1:21.30
100 Back
1:21.30
878 Marco Gonzalez 1:21.31 10 BB Min A: 1:19.59 (+1.72s | 2.1%) South Bay Aquatics 03/06/2026 2026 SI 14U AGE GRP CHAMPIONSHIPS
50 Back
40.21
40.21
100 Back
41.10
1:21.31
100 Back
1:21.31
879 Declan Nangoy 1:21.31 10 BB Min A: 1:19.59 (+1.72s | 2.1%) Utica Shelby Swim Club 03/14/2026 2026 SCY 10 Under Championship Meet
50 Back
39.99
39.99
100 Back
41.32
1:21.31
100 Back
1:21.31
880 William Yiengst 1:21.32 10 BB Min A: 1:19.59 (+1.73s | 2.1%) Machine Aquatics 01/10/2026 2026 DC Wave IMXperience Meet
50 Back
39.86
39.86
100 Back
41.46
1:21.32
100 Back
1:21.32
881 Lucas Ferguson 1:21.33 10 BB Min A: 1:19.59 (+1.74s | 2.1%) Aquatic Team Of Mecklenburg 03/20/2026 2026 BRSL Championships
882 William Curran 1:21.34 9 BB Min A: 1:19.59 (+1.75s | 2.2%) Revolution Swim Club 01/09/2026 2026 NE CRIM Jan Team Specialty
50 Back
38.45
38.45
100 Back
42.89
1:21.34
100 Back
1:21.34
883 Graham Rothwell 1:21.34 10 BB Min A: 1:19.59 (+1.75s | 2.2%) San Gabriel Aquatics 02/06/2026 2026 ST AQTX STX Champs North
50 Back
40.32
40.32
100 Back
41.02
1:21.34
100 Back
1:21.34
884 Davis Chappell 1:21.35 10 BB Min A: 1:19.59 (+1.76s | 2.2%) Coast Gaurd Blue Dolphins 02/13/2026 2026 Southeast District 9 12 Championship
50 Back
40.58
40.58
100 Back
40.77
1:21.35
100 Back
1:21.35
885 Jude Jeon 1:21.35 9 BB Min A: 1:19.59 (+1.76s | 2.2%) Washingtonians Swim Club 03/12/2026 2026 PV SC 14 Under Championships Copied
50 Back
38.68
38.68
100 Back
42.67
1:21.35
100 Back
1:21.35
886 Axton McDermott 1:21.35 10 BB Min A: 1:19.59 (+1.76s | 2.2%) Nation\\\\\\'s Capital Swim Club 01/10/2026 2026 MAKO POLAR PLUNGE
50 Back
40.64
40.64
100 Back
40.71
1:21.35
100 Back
1:21.35
887 Leonardo Henn 1:21.36 10 BB Min A: 1:19.59 (+1.77s | 2.2%) Eagles Swim Club 03/05/2026 2026 FG Age Group SCY Championships
50 Back
39.78
39.78
100 Back
41.58
1:21.36
100 Back
1:21.36
888 Parker Slugg 1:21.37 10 BB Min A: 1:19.59 (+1.78s | 2.2%) Revolution Swim Club 10/04/2025 2025 NE CS Fall Sprints Copied
50 Back
39.56
39.56
100 Back
41.81
1:21.37
100 Back
1:21.37
889 Jacob Witlin 1:21.37 10 BB Min A: 1:19.59 (+1.78s | 2.2%) Condors Swim Club 03/20/2026 2026 SwimRVA Clover Cup
50 Back
39.33
39.33
100 Back
42.04
1:21.37
100 Back
1:21.37
890 Yanbo Li 1:21.39 9 BB Min A: 1:19.59 (+1.80s | 2.2%) Bolles School Sharks 11/15/2025 EAJ Fall Harvest 2025
50 Back
38.40
38.40
100 Back
42.99
1:21.39
100 Back
1:21.39
891 David Preble 1:21.39 10 BB Min A: 1:19.59 (+1.80s | 2.2%) Kent County YMCA 01/24/2026 2026 NE KCY New Year S Splash
892 Mauro Carrasco 1:21.39 10 BB Min A: 1:19.59 (+1.80s | 2.2%) Unattached 11/14/2025 2025 BD Turkey Splash
893 Elias Montelongo Campos 1:21.41 10 BB Min A: 1:19.59 (+1.82s | 2.2%) Crimson Aquatics 03/06/2026 2026 NE CRIM March Trials Finals Meet
50 Back
39.92
39.92
100 Back
41.49
1:21.41
100 Back
1:21.41
894 Alexander Wu 1:21.42 10 BB Min A: 1:19.59 (+1.83s | 2.2%) Rockville Montgomery Swim Club 03/12/2026 2026 PV SC 14 Under Championships Copied
50 Back
39.97
39.97
100 Back
41.45
1:21.42
100 Back
1:21.42
895 Hunter Wilson 1:21.43 9 BB Min A: 1:19.59 (+1.84s | 2.3%) Kamehameha Swim Club 04/18/2026 44th Annual Harry Mamizuka Invitational
50 Back
38.91
38.91
100 Back
42.52
1:21.43
100 Back
1:21.43
896 Colin Hui 1:21.44 10 BB Min A: 1:19.59 (+1.85s | 2.3%) Highlands Ranch Aquatics 01/23/2026 2026 CO TOPS Colorado Open
50 Back
38.85
38.85
100 Back
42.59
1:21.44
100 Back
1:21.44
897 Theodore Chan 1:21.46 9 BB Min A: 1:19.59 (+1.87s | 2.3%) Long Island Express 01/16/2026 2026 MR LIE Winterfest Invitational
50 Back
39.79
39.79
100 Back
41.67
1:21.46
100 Back
1:21.46
898 Aydin Aguirre 1:21.46 9 BB Min A: 1:19.59 (+1.87s | 2.3%) El Paso Eastlake 01/23/2026 2026 BD UIL1 6A Championship
899 Andrew Williams 1:21.46 10 BB Min A: 1:19.59 (+1.87s | 2.3%) East Hartford YMCA 12/11/2025 2025 NE CRA Winter Invitational
900 Daniel Early 1:21.47 10 BB Min A: 1:19.59 (+1.88s | 2.3%) Grosse Pointe Gators 02/06/2026 2026 Michigan Open
50 Back
38.54
38.54
100 Back
42.93
1:21.47
100 Back
1:21.47

Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.