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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
2901 Eli Semberg 1:37.69 10 B Min BB: 1:30.09 (+7.60s | 7.8%) Mariemont Ohio Swim Team 02/19/2026 2026 OH RAYS SC Regional Championships
50 Back
44.67
44.67
100 Back
53.02
1:37.69
100 Back
1:37.69
2902 Axl Landers 1:37.70 10 B Min BB: 1:30.09 (+7.61s | 7.8%) Starkville Swim Team 11/21/2025 2025 Tiger Turkey Tumble
50 Back
48.81
48.81
100 Back
48.89
1:37.70
100 Back
1:37.70
2903 Oliver Parrish 1:37.70 10 B Min BB: 1:30.09 (+7.61s | 7.8%) Northern KY Clippers 10/23/2026 2026 CLPR Halloween Meet
50 Back
47.96
47.96
100 Back
49.74
1:37.70
100 Back
1:37.70
2904 Nicolas Wilkes 1:37.71 9 B Min BB: 1:30.09 (+7.62s | 7.8%) City of Mobile Swim Associatio 11/21/2025 2025 GPAC Gravy Bowl Invitational
50 Back
46.16
46.16
100 Back
51.55
1:37.71
100 Back
1:37.71
2905 Mateo Palomera 1:37.72 9 B Min BB: 1:30.09 (+7.63s | 7.8%) Bgc-N. Westchester Marlins 03/27/2026 2026 MR Metro Bronze Championship North
50 Back
46.70
46.70
100 Back
51.02
1:37.72
100 Back
1:37.72
2906 Kamran Krishnamoorthy 1:37.73 10 B Min BB: 1:30.09 (+7.64s | 7.8%) YMCA of the Triangle Area Swim 03/06/2026 Jon Jolley GYSSA 2026
50 Back
48.70
48.70
100 Back
49.03
1:37.73
100 Back
1:37.73
2907 Anzel Annan 1:37.73 10 B Min BB: 1:30.09 (+7.64s | 7.8%) Aspire Aquatics of Colorado 02/13/2026 2026 CO NJ Groundhog Invite
50 Back
47.15
47.15
100 Back
50.58
1:37.73
100 Back
1:37.73
2908 Lehai Li 1:37.76 10 B Min BB: 1:30.09 (+7.67s | 7.8%) Alto Swim Club 02/01/2025 Alto Swim Club Valentine Classic
50 Back
48.68
48.68
100 Back
49.08
1:37.76
100 Back
1:37.76
2909 Daniel Wang 1:37.77 9 B Min BB: 1:30.09 (+7.68s | 7.9%) Olympic Cascade Aquatics 03/28/2026 2026 PN Spring Showdown, Div1 Approved
50 Back
44.92
44.92
100 Back
52.85
1:37.77
100 Back
1:37.77
2910 Theodore Blackstock 1:37.78 10 B Min BB: 1:30.09 (+7.69s | 7.9%) Inspire Swimming 01/17/2026 2026 ST AAAA NS Frostbite
2911 Oliver NG 1:37.78 10 B Min BB: 1:30.09 (+7.69s | 7.9%) Long Island Express 03/27/2026 2026 MR Bronze Championship South LIE
50 Back
45.77
45.77
100 Back
52.01
1:37.78
100 Back
1:37.78
2912 Duncan Simpson 1:37.78 10 B Min BB: 1:30.09 (+7.69s | 7.9%) Canoe City Swim Club 01/16/2026 2026 NE CRIM Bronze Championship
50 Back
47.95
47.95
100 Back
49.83
1:37.78
100 Back
1:37.78
2913 Benjamin Zhang 1:37.78 10 B Min BB: 1:30.09 (+7.69s | 7.9%) Amherst Tritons Swim Team 11/07/2025 2025 NE UVAC Dorsi Raynolds Memorial Meet C
50 Back
47.87
47.87
100 Back
49.91
1:37.78
100 Back
1:37.78
2914 Clayton Fischer 1:37.79 9 B Min BB: 1:30.09 (+7.70s | 7.9%) Lynchburg Aquatic Club 12/04/2025 14th Annual Swim Tri Speedo Winter Champs
50 Back
47.78
47.78
100 Back
50.01
1:37.79
100 Back
1:37.79
2915 Minho Rhee 1:37.79 8 B Min BB: 1:30.09 (+7.70s | 7.9%) Asphalt Green Unified Aquatics 01/30/2026 2026 MR LIE Second Chance Invitational
50 Back
47.50
47.50
100 Back
50.29
1:37.79
100 Back
1:37.79
2916 Jackson Williams 1:37.80 9 B Min BB: 1:30.09 (+7.71s | 7.9%) Swim Omaha 01/24/2026 2026 MW LSS Winterfest
50 Back
48.96
48.96
100 Back
48.84
1:37.80
100 Back
1:37.80
2917 Alexander Warren Moy 1:37.80 10 B Min BB: 1:30.09 (+7.71s | 7.9%) Palo Alto Stanford Aquatics 10/25/2025 TYR BAC SPOOKY FALL CLASSIC
2918 Sameer Kanwar 1:37.81 9 B Min BB: 1:30.09 (+7.72s | 7.9%) Bgc-N. Westchester Marlins 10/04/2025 2025 MR BGNW Marlins October Harvest Festival
50 Back
47.92
47.92
100 Back
49.89
1:37.81
100 Back
1:37.81
2919 Zakaria Boned 1:37.82 9 B Min BB: 1:30.09 (+7.73s | 7.9%) Bergen Barracudas Swim Team 02/14/2026 2026 Will You BB Mine
50 Back
48.09
48.09
100 Back
49.73
1:37.82
100 Back
1:37.82
2920 Maksim Gorodilov 1:37.83 10 B Min BB: 1:30.09 (+7.74s | 7.9%) Tac Titans 05/02/2026 2026 TAC TITANS Oceanus Challenge Meet
50 Back
46.81
46.81
100 Back
51.02
1:37.83
100 Back
1:37.83
2921 Ian Webster 1:37.84 10 B Min BB: 1:30.09 (+7.75s | 7.9%) Columbia River Swim Team 01/03/2025 2025 CST Shark Chase Invitational
50 Back
48.87
48.87
100 Back
48.97
1:37.84
100 Back
1:37.84
2922 Eugene Walsh 1:37.84 8 B Min BB: 1:30.09 (+7.75s | 7.9%) Riptide Swim Team 02/14/2026 2026 CO ACES Winter Open
50 Back
47.91
47.91
100 Back
49.93
1:37.84
100 Back
1:37.84
2923 John Grewe 1:37.85 8 B Min BB: 1:30.09 (+7.76s | 7.9%) Planet Swim Aquatics 09/20/2026 2026 Planet Swim Season Opener
50 Back
48.43
48.43
100 Back
49.42
1:37.85
100 Back
1:37.85
2924 Oliver Johnson 1:37.89 10 B Min BB: 1:30.09 (+7.80s | 8.0%) South Shore YMCA Strypers 05/10/2026 2026 NE NSSC Invitational At BC High
50 Back
1:38.10
1:38.10
100 Back
0.-21
1:37.89
100 Back
1:37.89
2925 Jacob Zakrzewski 1:37.89 9 B Min BB: 1:30.09 (+7.80s | 8.0%) Ridgewood YMCA Breakers Swim T 01/31/2026 2026 CAT Cougar Snow Storm
50 Back
48.20
48.20
100 Back
49.69
1:37.89
100 Back
1:37.89
2926 Francis Mitchell 1:37.89 9 B Min BB: 1:30.09 (+7.80s | 8.0%) West Express Swim Team 02/13/2026 2026 MN STRM Winter Storm Warning Invite
50 Back
48.78
48.78
100 Back
49.11
1:37.89
100 Back
1:37.89
2927 Sidhanth Telang 1:37.89 9 B Min BB: 1:30.09 (+7.80s | 8.0%) Shoals Aquatic Club 10/16/2026 2026 HSA Fran Norris Meet
50 Back
47.15
47.15
100 Back
50.74
1:37.89
100 Back
1:37.89
2928 Charlie Spearin 1:37.90 9 B Min BB: 1:30.09 (+7.81s | 8.0%) Birmingham \\\\\\'y\\\\\\' Blue Dolphins 12/06/2025 SLA Holiday Blast
50 Back
47.49
47.49
100 Back
50.41
1:37.90
100 Back
1:37.90
2929 Demitry Daniel 1:37.90 10 B Min BB: 1:30.09 (+7.81s | 8.0%) Canyons Aquatic Club 12/06/2025 2025 CA CANY Candy Cane
2930 Matias Venturino 1:37.90 8 B Min BB: 1:30.09 (+7.81s | 8.0%) Rockville Montgomery Swim Club 11/01/2025 2025 RMSC Autumn 350 Challenge Meet
2931 Dylan Bustamante 1:37.90 9 B Min BB: 1:30.09 (+7.81s | 8.0%) Swim Florida 10/16/2026 2026 T2 Spooktacular
50 Back
45.86
45.86
100 Back
52.04
1:37.90
100 Back
1:37.90
2932 David Moore 1:37.91 9 B Min BB: 1:30.09 (+7.82s | 8.0%) SwimMAC Carolina 12/05/2025 2025 NC SwimMAC December Invite
50 Back
48.27
48.27
100 Back
49.64
1:37.91
100 Back
1:37.91
2933 Alexander Langhans 1:37.91 10 B Min BB: 1:30.09 (+7.82s | 8.0%) Nashville Aquatic Club 02/21/2026 2026 SES Region 1 8 And Under Championships
2934 Jonah VerMeer 1:37.91 10 B Min BB: 1:30.09 (+7.82s | 8.0%) Aquajets Swim Team 02/07/2026 2026 MN AQJT February Invite
50 Back
47.70
47.70
100 Back
50.21
1:37.91
100 Back
1:37.91
2935 Elliott Green 1:37.91 9 B Min BB: 1:30.09 (+7.82s | 8.0%) Southwest Stars Swim Club 10/09/2026 2026 FAST Pumpkin Plunge
50 Back
47.94
47.94
100 Back
49.97
1:37.91
100 Back
1:37.91
2936 Alexander Rice 1:37.92 9 B Min BB: 1:30.09 (+7.83s | 8.0%) Bayside Aquatics 01/17/2026 2026 Duck Bowl
50 Back
47.03
47.03
100 Back
50.89
1:37.92
100 Back
1:37.92
2937 August Havey 1:37.92 9 B Min BB: 1:30.09 (+7.83s | 8.0%) Cypress Fairbanks Swim Club 12/20/2024 2024 Gulf Fall Champs (KATY)
50 Back
46.27
46.27
100 Back
51.65
1:37.92
100 Back
1:37.92
2938 David Mastin 1:37.92 10 B Min BB: 1:30.09 (+7.83s | 8.0%) Razor Aquatics 05/22/2026 2026 ISCA National Diversity Swim Champ
50 Back
46.90
46.90
100 Back
51.02
1:37.92
100 Back
1:37.92
2939 Dallas Smith 1:37.92 9 B Min BB: 1:30.09 (+7.83s | 8.0%) YMCA East Hampton Hurricanes 10/11/2025 2025 MR TVSC Ann Wycoff Memorial Swim Meet
50 Back
46.05
46.05
100 Back
51.87
1:37.92
100 Back
1:37.92
2940 Lucas Estepa 1:37.93 10 B Min BB: 1:30.09 (+7.84s | 8.0%) South Bay Aquatics 10/17/2026 2026 SI SBA All Ages NTS Meet
50 Back
48.20
48.20
100 Back
49.73
1:37.93
100 Back
1:37.93
2941 Zachariah Sivaraj 1:37.95 8 B Min BB: 1:30.09 (+7.86s | 8.0%) Sawtooth Aquatic Club 12/04/2025 2025 Holiday Swim Festival
50 Back
45.83
45.83
100 Back
52.12
1:37.95
100 Back
1:37.95
2942 Nathaniel Liparini 1:37.95 9 B Min BB: 1:30.09 (+7.86s | 8.0%) Swim Melbourne 06/27/2025 2025 Area 6 Summer Championship
50 Back
47.04
47.04
100 Back
50.91
1:37.95
100 Back
1:37.95
2943 Roman Jamil 1:37.95 10 B Min BB: 1:30.09 (+7.86s | 8.0%) Mecklenburg Swim Association 01/17/2026 2026 MSA January Invite
50 Back
46.81
46.81
100 Back
51.14
1:37.95
100 Back
1:37.95
2944 Uras Altinoluk 1:37.95 7 B Min BB: 1:30.09 (+7.86s | 8.0%) Atomic City Aquatic Club 10/17/2026 ACAC Lois Weir Invitational 2026
50 Back
47.89
47.89
100 Back
50.06
1:37.95
100 Back
1:37.95
2945 CarlosRoberto Andara 1:37.96 9 B Min BB: 1:30.09 (+7.87s | 8.0%) Eagle Aquatics 11/08/2025 Golden Eagle Classic 25
50 Back
47.26
47.26
100 Back
50.70
1:37.96
100 Back
1:37.96
2946 Eric Hong 1:37.97 10 B Min BB: 1:30.09 (+7.88s | 8.0%) Rochester Swim Club 02/27/2026 2026 MN RSC Minnesota Regional Championship
50 Back
47.15
47.15
100 Back
50.82
1:37.97
100 Back
1:37.97
2947 Leo Wright 1:37.98 10 B Min BB: 1:30.09 (+7.89s | 8.1%) Forest Grove 02/13/2026 2026 OR HS 6A 3
2948 Charles Myers 1:38.01 10 B Min BB: 1:30.09 (+7.92s | 8.1%) Ensworth Aquatics 12/05/2025 2025 Holiday Classic
50 Back
49.85
49.85
100 Back
48.16
1:38.01
100 Back
1:38.01
2949 Wynn Kitsadaviseksak 1:38.01 10 B Min BB: 1:30.09 (+7.92s | 8.1%) Hills Hurricane Swimming 02/28/2026 VJO Rep The Bay C B A+ 2026 Copied
2950 Griffin Ketchen 1:38.02 9 B Min BB: 1:30.09 (+7.93s | 8.1%) Iolani Swim Club 12/06/2025 45th Annual Ken Suenaga Invitational (SCY)

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.