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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
2701 Sawyer Kieselhorst 1:34.78 10 B Min BB: 1:30.09 (+4.69s | 4.9%) Sienna Premier Aquatics 02/21/2025 2025 Gulf 12 Under Champs (PACK)
50 Back
45.67
45.67
100 Back
49.11
1:34.78
100 Back
1:34.78
2702 Rufus Nagygyorgy 1:34.79 10 B Min BB: 1:30.09 (+4.70s | 5.0%) Swim Fort Lauderdale 06/27/2026 Firecracker Meet 2026
2703 Ely Marsh 1:34.79 10 B Min BB: 1:30.09 (+4.70s | 5.0%) Sarasota Tsunami Swim Team 12/05/2025 2025 Speedo Gator Holiday Classic
50 Back
48.27
48.27
100 Back
46.52
1:34.79
100 Back
1:34.79
2704 Patrick Thom 1:34.80 10 B Min BB: 1:30.09 (+4.71s | 5.0%) Nation\\\\\\'s Capital Swim Club 12/05/2025 2025 VSTP Ice Breaker Invitational
2705 James Sharkey 1:34.81 10 B Min BB: 1:30.09 (+4.72s | 5.0%) Commonwealth Swimming 01/16/2026 2026 NE CS Bronze Championships
50 Back
46.16
46.16
100 Back
48.65
1:34.81
100 Back
1:34.81
2706 Mason Thaden 1:34.81 9 B Min BB: 1:30.09 (+4.72s | 5.0%) Rochester Swim Club 02/13/2026 2026 MN RSC President S Day Meet
50 Back
45.00
45.00
100 Back
49.81
1:34.81
100 Back
1:34.81
2707 Emmett Boehm 1:34.82 10 B Min BB: 1:30.09 (+4.73s | 5.0%) Lakeshore Swim Club 02/19/2026 2026 OH Cleveland SC Regional Championships
50 Back
47.65
47.65
100 Back
47.17
1:34.82
100 Back
1:34.82
2708 Leo Grant 1:34.82 10 B Min BB: 1:30.09 (+4.73s | 5.0%) Texas Elite Swim Team 12/20/2024 2024 Gulf Fall Champs (ESCA AMBU)
2709 Elliott Horng 1:34.84 8 B Min BB: 1:30.09 (+4.75s | 5.0%) Rockville Montgomery Swim Club 10/17/2025 2025 RMSC October Kick Off Classic
50 Back
46.01
46.01
100 Back
48.83
1:34.84
100 Back
1:34.84
2710 Maximus Erhardt 1:34.86 10 B Min BB: 1:30.09 (+4.77s | 5.0%) Cardinal and Gold Aquatics 10/03/2025 2025 Aimee McCormick Turrall Memorial Meet
50 Back
47.88
47.88
100 Back
46.98
1:34.86
100 Back
1:34.86
2711 Henry Guzzetta 1:34.86 9 B Min BB: 1:30.09 (+4.77s | 5.0%) Middies Wave Ryders 01/16/2026 2026 MR NFS 43rd Annual Dr MLK Jr Invite
50 Back
45.98
45.98
100 Back
48.88
1:34.86
100 Back
1:34.86
2712 Parker Phinyowattanachip 1:34.87 9 B Min BB: 1:30.09 (+4.78s | 5.0%) Dolphin Club 11/15/2025 2025 WAC Fall Classic
50 Back
49.25
49.25
100 Back
45.62
1:34.87
100 Back
1:34.87
2713 Charles Storm 1:34.87 9 B Min BB: 1:30.09 (+4.78s | 5.0%) Enfinity Aquatic Club 03/20/2026 2026 SwimRVA Clover Cup
50 Back
46.25
46.25
100 Back
48.62
1:34.87
100 Back
1:34.87
2714 Jude Notter 1:34.88 9 B Min BB: 1:30.09 (+4.79s | 5.0%) Birmingham \\\\\\'y\\\\\\' Blue Dolphins 01/16/2026 2026 Odd Age Classic
50 Back
45.04
45.04
100 Back
49.84
1:34.88
100 Back
1:34.88
2715 Oscar Turatbekov 1:34.91 9 B Min BB: 1:30.09 (+4.82s | 5.1%) Mason Makos Swim Team 01/10/2026 2026 MAKO POLAR PLUNGE
50 Back
45.93
45.93
100 Back
48.98
1:34.91
100 Back
1:34.91
2716 Alessio Rapley 1:34.91 8 B Min BB: 1:30.09 (+4.82s | 5.1%) 92ny Flying Dolphins 12/11/2025 2025 NE SHAWMUT Candy Cane Classic
50 Back
46.69
46.69
100 Back
48.22
1:34.91
100 Back
1:34.91
2717 H Chubb 1:34.93 9 B Min BB: 1:30.09 (+4.84s | 5.1%) Hydra Aquatics 11/21/2025 2025 Fall Festivus
50 Back
46.83
46.83
100 Back
48.10
1:34.93
100 Back
1:34.93
2718 Benjamin Higgs 1:34.94 10 B Min BB: 1:30.09 (+4.85s | 5.1%) Sporting Jax Aquatic Club 12/04/2025 RAFC Winter Classic
50 Back
46.51
46.51
100 Back
48.43
1:34.94
100 Back
1:34.94
2719 Griffin Perry 1:34.95 10 B Min BB: 1:30.09 (+4.86s | 5.1%) Rockford Riptide 03/07/2026 2026 Lake Michigan Regional Meet
50 Back
45.19
45.19
100 Back
49.76
1:34.95
100 Back
1:34.95
2720 Eoin Philip 1:34.95 10 B Min BB: 1:30.09 (+4.86s | 5.1%) Club Wolverine 03/07/2026 2026 Lake Ontario Regional Meet
2721 Sahand Saeidi 1:34.95 9 B Min BB: 1:30.09 (+4.86s | 5.1%) Commonwealth Swimming 06/06/2026 2026 NE NSSC June Invitational @ SJP
50 Back
46.23
46.23
100 Back
48.72
1:34.95
100 Back
1:34.95
2722 Harvey Yuan 1:34.95 8 B Min BB: 1:30.09 (+4.86s | 5.1%) Pacific Swim 02/21/2026 2026 SI MRA Age Group Champs Max Meet
50 Back
46.10
46.10
100 Back
48.85
1:34.95
100 Back
1:34.95
2723 Oxlyn Lystad 1:34.95 8 B Min BB: 1:30.09 (+4.86s | 5.1%) Red Wing Swim Club 03/27/2026 2026 MN RWSC Fall Winter Mini Meet Champs
2724 Calex Gonzalez 1:34.96 9 B Min BB: 1:30.09 (+4.87s | 5.1%) Apex 02/21/2026 2026 Arena Short Course 10 U Championships
50 Back
46.67
46.67
100 Back
48.29
1:34.96
100 Back
1:34.96
2725 Lionel Sudduth 1:34.97 8 B Min BB: 1:30.09 (+4.88s | 5.1%) Excel Aquatics 01/16/2026 2026 TYR Mardi Gras Invite
50 Back
47.50
47.50
100 Back
47.47
1:34.97
100 Back
1:34.97
2726 Charles Seaman 1:34.97 9 B Min BB: 1:30.09 (+4.88s | 5.1%) Rockville Montgomery Swim Club 01/16/2026 2026 RMSC January Intrasquad Meet
50 Back
46.90
46.90
100 Back
48.07
1:34.97
100 Back
1:34.97
2727 Zuriel Cariazo 1:34.98 10 B Min BB: 1:30.09 (+4.89s | 5.1%) Montrose Marlins Swim Club 05/17/2025 2025 CO Western Slope IM Challenge
50 Back
46.62
46.62
100 Back
48.36
1:34.98
100 Back
1:34.98
2728 Julian Brown 1:34.99 10 B Min BB: 1:30.09 (+4.90s | 5.2%) Razor Aquatics 11/07/2025 25th Annual A3 Red, White, And Blue Classic
2729 Tenuun Bayarjargal 1:34.99 10 B Min BB: 1:30.09 (+4.90s | 5.2%) Life Time Mid Atlantic Swim Te 02/27/2026 2026 Cherry Blossom Champs
50 Back
47.67
47.67
100 Back
47.32
1:34.99
100 Back
1:34.99
2730 Jack Pordon 1:34.99 10 B Min BB: 1:30.09 (+4.90s | 5.2%) Ridgewood YMCA Breakers Swim T 03/20/2026 2026 NE NSSC March Madness At MIT
50 Back
45.88
45.88
100 Back
49.11
1:34.99
100 Back
1:34.99
2731 Mason Choi 1:35.00 9 B Min BB: 1:30.09 (+4.91s | 5.2%) Asphalt Green Unified Aquatics 01/17/2026 2026 MR AGUA MLK Invitational
50 Back
46.77
46.77
100 Back
48.23
1:35.00
100 Back
1:35.00
2732 Aaron Nguyen 1:35.01 9 B Min BB: 1:30.09 (+4.92s | 5.2%) Tac Titans 01/16/2026 2026 Vector Security Polar Plunge Meet
50 Back
46.92
46.92
100 Back
48.09
1:35.01
100 Back
1:35.01
2733 Victor Varga 1:35.01 9 B Min BB: 1:30.09 (+4.92s | 5.2%) Tollefson Swimming 01/17/2026 PVS January Open 2026 Fairland
50 Back
44.99
44.99
100 Back
50.02
1:35.01
100 Back
1:35.01
2734 Brooks Poshusta 1:35.02 10 B Min BB: 1:30.09 (+4.93s | 5.2%) Eastmont 11/15/2025 2025 Thankswimming Open Copied
25 Back
22.38
22.38
50 Back
24.32
46.70
50 Back
46.70
75 Back
24.34
1:11.04
100 Back
23.98
1:35.02
50 Back
48.32
2735 Anderson Cox 1:35.02 10 B Min BB: 1:30.09 (+4.93s | 5.2%) Lynchburg YMCA Swim Team 12/04/2025 14th Annual Swim Tri Speedo Winter Champs
2736 Maxwell Rosensweet 1:35.03 10 B Min BB: 1:30.09 (+4.94s | 5.2%) Bay Club Aquatics 02/21/2026 2026 SI JBST Age Group Champs Max
50 Back
45.96
45.96
100 Back
49.07
1:35.03
100 Back
1:35.03
2737 Dayton Perkins 1:35.04 9 B Min BB: 1:30.09 (+4.95s | 5.2%) Marlins Of Raleigh 01/16/2026 2026 RSA Winter Tri
2738 Cole Jackson 1:35.05 9 B Min BB: 1:30.09 (+4.96s | 5.2%) Swim South Bay 12/05/2025 Zone 1S Year End Age Group Champs Minus Meet
2739 Aaden Foster 1:35.05 10 B Min BB: 1:30.09 (+4.96s | 5.2%) Denver Swim Academy 03/06/2026 2026 CO 14 U Silver State
50 Back
46.15
46.15
100 Back
48.90
1:35.05
100 Back
1:35.05
2740 Kayseik Sharman 1:35.05 10 B Min BB: 1:30.09 (+4.96s | 5.2%) Cysc Riptide 11/15/2025 2025 MW App HYAC November Y Meet
2741 Lev Goldstein 1:35.05 9 B Min BB: 1:30.09 (+4.96s | 5.2%) North Shore Swim Club 03/20/2026 2026 NE NSSC March Madness At MIT
50 Back
45.63
45.63
100 Back
49.42
1:35.05
100 Back
1:35.05
2742 Joseph Michael 1:35.06 9 B Min BB: 1:30.09 (+4.97s | 5.2%) Seals Aquatics 04/18/2026 RP SWIM CLUB (PRNA) SPRING SWIM FEST!
2743 Nate Woodmency 1:35.07 10 B Min BB: 1:30.09 (+4.98s | 5.2%) Grants Pass 02/13/2026 2026 OR HS 6A 7
2744 Leonardo DiVincenzo 1:35.07 10 B Min BB: 1:30.09 (+4.98s | 5.2%) Blue Tide Aquatics 02/21/2025 2025 Gulf 12 Under Champs (DADS)
50 Back
46.94
46.94
100 Back
48.13
1:35.07
100 Back
1:35.07
2745 Andrew Stidham 1:35.07 10 B Min BB: 1:30.09 (+4.98s | 5.2%) Ambush Swimming 12/20/2024 2024 Gulf Fall Champs (ESCA AMBU)
50 Back
46.32
46.32
100 Back
48.75
1:35.07
100 Back
1:35.07
2746 Ethan Fu 1:35.08 10 B Min BB: 1:30.09 (+4.99s | 5.2%) Revolution Swim Club 12/11/2025 2025 NE SHAWMUT Candy Cane Classic
50 Back
45.95
45.95
100 Back
49.13
1:35.08
100 Back
1:35.08
2747 Everett Thomas 1:35.09 10 B Min BB: 1:30.09 (+5.00s | 5.3%) Waves Of Wilmington Inc 01/24/2026 2026 WOW Tri County Classic
50 Back
46.47
46.47
100 Back
48.62
1:35.09
100 Back
1:35.09
2748 Skandan Chamraj 1:35.09 9 B Min BB: 1:30.09 (+5.00s | 5.3%) Riptide Swim Team 02/27/2026 2026 MN MAN Minnesota Regional Championship
50 Back
46.77
46.77
100 Back
48.32
1:35.09
100 Back
1:35.09
2749 Gianmarco Caravello 1:35.10 10 B Min BB: 1:30.09 (+5.01s | 5.3%) Team Suffolk 12/11/2025 2025 MR HAUP Eagle Invitational
50 Back
43.83
43.83
100 Back
51.27
1:35.10
100 Back
1:35.10
2750 Weston Gold 1:35.11 9 B Min BB: 1:30.09 (+5.02s | 5.3%) Old Dominion Aquatic Club 02/13/2026 2026 Southeast District 9 12 Championship
50 Back
45.32
45.32
100 Back
49.79
1:35.11
100 Back
1:35.11

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.