USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Dylan Briley | 37.92 | 10 | AAA Min | AAAA: 36.99 (+0.93s | 2.5%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 102 | Reyan Dhwajad | 37.93 | 10 | AAA Min | AAAA: 36.99 (+0.94s | 2.5%) | SwimMAC Carolina | 07/16/2026 | 2026 NCS LC AG Championships | |
| 103 | Uriah Sanchez | 37.98 | 10 | AAA Min | AAAA: 36.99 (+0.99s | 2.6%) | Rocky Mountain Rapids | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 104 | Rafael Parlato | 37.99 | 10 | AAA Min | AAAA: 36.99 (+1.00s | 2.6%) | Fenix Swim Club | 07/10/2026 | 2026 FG LCM BB Champs South | |
| 105 | Pace Bui | 37.99 | 10 | AAA Min | AAAA: 36.99 (+1.00s | 2.6%) | Fog City Hammerheads | 06/12/2026 | BAC Long Course | |
| 106 | TJ Sayer | 38.00 | 10 | AAA Min | AAAA: 36.99 (+1.01s | 2.7%) | Foxjets Swim Team | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 107 | Zachary Zeng | 38.01 | 10 | AAA Min | AAAA: 36.99 (+1.02s | 2.7%) | Waterloo Swimming | 06/19/2026 | 2026 ST ASC Firecracker | |
| 108 | Kai-Chen Lin | 38.06 | 9 | AAA Min | AAAA: 36.99 (+1.07s | 2.8%) | Irvine Novaquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 109 | Luke Chai | 38.07 | 9 | AAA Min | AAAA: 36.99 (+1.08s | 2.8%) | Pleasanton Seahawks | 07/30/2026 | Long Course Far Westerns | |
| 110 | Alexander Yampolsky | 38.08 | 10 | AAA Min | AAAA: 36.99 (+1.09s | 2.9%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 111 | Charlie Lockett | 38.12 | 10 | AAA Min | AAAA: 36.99 (+1.13s | 3.0%) | Nitro Swimming | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 112 | Nicholas Liu | 38.12 | 10 | AAA Min | AAAA: 36.99 (+1.13s | 3.0%) | Alto Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 113 | Lucas Pan | 38.16 | 9 | AAA Min | AAAA: 36.99 (+1.17s | 3.1%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 114 | Spencer Ramsbottom | 38.16 | 9 | AAA Min | AAAA: 36.99 (+1.17s | 3.1%) | Marlins Of Raleigh | 04/25/2026 | 2026 NCAC Quad Meet | |
| 115 | Griffin Ignash | 38.19 | 10 | AAA Min | AAAA: 36.99 (+1.20s | 3.1%) | Aquatic Team Of Mecklenburg | 05/15/2026 | 2026 EAC Memorial Invite | |
| 116 | Blake Bardenhagen | 38.23 | 10 | AAA Min | AAAA: 36.99 (+1.24s | 3.2%) | Island Aquatics | 07/16/2026 | 2026 HISI LCM Championships | |
| 117 | Cornelius Celestine | 38.24 | 10 | AAA Min | AAAA: 36.99 (+1.25s | 3.3%) | Houston Hydra | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 118 | Hongjie Xiao | 38.26 | 9 | AAA Min | AAAA: 36.99 (+1.27s | 3.3%) | Irvine Novaquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 119 | Michael Levell | 38.28 | 10 | AAA Min | AAAA: 36.99 (+1.29s | 3.4%) | Brownell Talbot | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | |
| 120 | Declan Dame | 38.29 | 10 | AAA Min | AAAA: 36.99 (+1.30s | 3.4%) | SwimMAC Carolina | 07/16/2026 | 2026 NCS LC AG Championships | |
| 121 | Lucius Leven | 38.30 | 10 | AAA Min | AAAA: 36.99 (+1.31s | 3.4%) | Unattached | 06/10/2026 | Splash Into Summer | |
| 122 | Winston Du | 38.30 | 10 | AAA Min | AAAA: 36.99 (+1.31s | 3.4%) | Aquajets Swim Team | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 123 | Sebastian Horn-Rios | 38.31 | 10 | AAA Min | AAAA: 36.99 (+1.32s | 3.4%) | T2 Aquatics | 04/17/2026 | 2026 GCST Spring Open | |
| 124 | Russell Choy | 38.34 | 10 | AAA Min | AAAA: 36.99 (+1.35s | 3.5%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 125 | Mason Nguyen | 38.34 | 10 | AAA Min | AAAA: 36.99 (+1.35s | 3.5%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 126 | Nicholas Selvaggi | 38.35 | 10 | AAA Min | AAAA: 36.99 (+1.36s | 3.5%) | Fox Swim Club | 07/29/2026 | 2026 MD LSC LC Championship | |
| 127 | Adam Aburas | 38.37 | 10 | AAA Min | AAAA: 36.99 (+1.38s | 3.6%) | First Colony Swim Team, Inc. | 07/16/2025 | 2025 Texas Age Group Championships | |
| 128 | Jeffrey Xiong | 38.38 | 10 | AAA Min | AAAA: 36.99 (+1.39s | 3.6%) | Arctic Aquatics | 04/11/2026 | 2026 NE CS Season Opener | |
| 129 | Nolan Robertson | 38.43 | 10 | AAA Min | AAAA: 36.99 (+1.44s | 3.7%) | Lakeside Swim Team | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 130 | Mason Stout | 38.48 | 10 | AAA Min | AAAA: 36.99 (+1.49s | 3.9%) | Foxjets Swim Team | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 131 | Reid Kessel | 38.48 | 10 | AAA Min | AAAA: 36.99 (+1.49s | 3.9%) | 757swim | 05/15/2026 | NOVA Spring Splash | |
| 132 | Seth Snyder | 38.51 | 10 | AAA Min | AAAA: 36.99 (+1.52s | 3.9%) | Firefish Aquatics | 06/05/2026 | HNVR Storm Surge 2026 | |
| 133 | Aurelius Lien | 38.53 | 9 | AAA Min | AAAA: 36.99 (+1.54s | 4.0%) | Santa Clara Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 134 | Caleb Stone | 38.55 | 10 | AAA Min | AAAA: 36.99 (+1.56s | 4.0%) | Bellingham Bay Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 135 | Chase Witt | 38.56 | 10 | AAA Min | AAAA: 36.99 (+1.57s | 4.1%) | Gold\\\\\\'s Aquatics Club (Camas) | 04/25/2026 | GACC Spring Invitational | |
| 136 | Gabriel Nolan | 38.56 | 10 | AAA Min | AAAA: 36.99 (+1.57s | 4.1%) | Long Island Express | 07/31/2026 | 2026 NE NSSC New England Summer Championship | |
| 137 | Remington Allen | 38.58 | 10 | AAA Min | AAAA: 36.99 (+1.59s | 4.1%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 138 | Dexter Danont | 38.58 | 10 | AAA Min | AAAA: 36.99 (+1.59s | 4.1%) | Arctic Aquatics | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 139 | Michael Governal | 38.62 | 10 | AAA Min | AAAA: 36.99 (+1.63s | 4.2%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 140 | Benjamin Russell | 38.62 | 10 | AAA Min | AAAA: 36.99 (+1.63s | 4.2%) | Csp Tideriders | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 141 | Ethan Nicholes | 38.63 | 10 | AAA Min | AAAA: 36.99 (+1.64s | 4.2%) | Naval Academy Aquatic Club | 07/29/2026 | 2026 MD LSC LC Championship | |
| 142 | Gleb Nikishin | 38.63 | 10 | AAA Min | AAAA: 36.99 (+1.64s | 4.2%) | SwimRight Team | 05/22/2026 | 2026 Doral Swim Club LCM Spring Invite | |
| 143 | Ralph Haman | 38.67 | 10 | AAA Min | AAAA: 36.99 (+1.68s | 4.3%) | Tennessee Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 144 | Leo Groneck | 38.68 | 10 | AAA Min | AAAA: 36.99 (+1.69s | 4.4%) | Northern KY Clippers | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 145 | Reid Kelly | 38.69 | 10 | AAA Min | AAAA: 36.99 (+1.70s | 4.4%) | Riptide Swim Team | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 146 | William Dailey | 38.70 | 10 | AAA Min | AAAA: 36.99 (+1.71s | 4.4%) | Lakeside Swim Team | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 147 | Owen Newton | 38.70 | 10 | AAA Min | AAAA: 36.99 (+1.71s | 4.4%) | SwimNation Aquatics Programs | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 148 | Maxim Kurochkin | 38.71 | 10 | AAA Min | AAAA: 36.99 (+1.72s | 4.4%) | Cat 5 Aquatics | 05/02/2026 | 2026 GPAC Flip Flop Invitational | |
| 149 | Felix Chang | 38.71 | 10 | AAA Min | AAAA: 36.99 (+1.72s | 4.4%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 150 | Lincoln Purdy | 38.74 | 10 | AAA Min | AAAA: 36.99 (+1.75s | 4.5%) | Greater Pensacola Aquatic Club | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
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.