USA Boys 10 & under - 50 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2801 | Rex Ji | 43.07 | 9 | B Min | BB: 42.89 (+0.18s | 0.4%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | |
| 2802 | Leo Miyamoto | 43.08 | 10 | B Min | BB: 42.89 (+0.19s | 0.4%) | Napa Valley Swim Team | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 2803 | Bryan Xia | 43.08 | 7 | B Min | BB: 42.89 (+0.19s | 0.4%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 2804 | Conner Lemon | 43.08 | 10 | B Min | BB: 42.89 (+0.19s | 0.4%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 2805 | Gage Sena | 43.08 | 10 | B Min | BB: 42.89 (+0.19s | 0.4%) | Lamarlins Swim Team, Inc. | 07/25/2025 | 2025 CO SECAL Championships | |
| 2806 | Theodore Ellington | 43.08 | 9 | B Min | BB: 42.89 (+0.19s | 0.4%) | Stingray Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 2807 | Khalil Khadzhy Abdulkader | 43.08 | 10 | B Min | BB: 42.89 (+0.19s | 0.4%) | Planet Swim Aquatics | 10/10/2026 | 2026 PSA Halloween Invitational | |
| 2808 | John Barnett | 43.08 | 10 | B Min | BB: 42.89 (+0.19s | 0.4%) | Excel Aquatics | 09/25/2026 | 2026 Excel Aquatics Fall Fest Invite | |
| 2809 | Simon Xiong | 43.08 | 10 | B Min | BB: 42.89 (+0.19s | 0.4%) | Nitro Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 2810 | Beckett Alvord | 43.09 | 10 | B Min | BB: 42.89 (+0.20s | 0.5%) | Team Sopris Swimming | 01/10/2025 | 2025 CO MAValanche Invitational | |
| 2811 | Greyson Eatherly | 43.09 | 10 | B Min | BB: 42.89 (+0.20s | 0.5%) | Cascade Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | |
| 2812 | Kayeung Ho | 43.09 | 10 | B Min | BB: 42.89 (+0.20s | 0.5%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 2813 | DongHyuk Kang | 43.09 | 9 | B Min | BB: 42.89 (+0.20s | 0.5%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 2814 | Thomas Wands | 43.09 | 10 | B Min | BB: 42.89 (+0.20s | 0.5%) | Clarence Swim Club | 10/23/2026 | TTSC Halloween Meet 2026 | |
| 2815 | Hunter Lamar | 43.10 | 9 | B Min | BB: 42.89 (+0.21s | 0.5%) | Detroit All Star Aquatics | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 2816 | Wyatt Oberschlake | 43.10 | 10 | B Min | BB: 42.89 (+0.21s | 0.5%) | Mercy HealthPlex Sea Wolves | 03/12/2026 | 2026 OH SC Junior Championships | |
| 2817 | Erik Hai | 43.10 | 10 | B Min | BB: 42.89 (+0.21s | 0.5%) | The Claremont Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 2818 | Bohdan Tereshchenko | 43.10 | 10 | B Min | BB: 42.89 (+0.21s | 0.5%) | South Florida Aquatic Club | 09/11/2026 | 2026 Michael S Memorial Meet | |
| 2819 | Arvin Laine | 43.10 | 10 | B Min | BB: 42.89 (+0.21s | 0.5%) | CAC Stingrays Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 2820 | Atulit Gaur | 43.11 | 10 | B Min | BB: 42.89 (+0.22s | 0.5%) | United Swim Club | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 2821 | Bennett Fraser | 43.11 | 8 | B Min | BB: 42.89 (+0.22s | 0.5%) | Aquawolves Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 2822 | Charlie Huynh | 43.11 | 9 | B Min | BB: 42.89 (+0.22s | 0.5%) | Sarasota Sharks | 09/18/2026 | 2026 Sharks IMX Challenge | |
| 2823 | Glen Huang | 43.11 | 10 | B Min | BB: 42.89 (+0.22s | 0.5%) | Pacific Dragons Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 2824 | Theodore Cook | 43.11 | 9 | B Min | BB: 42.89 (+0.22s | 0.5%) | SlipStream Aquatics | 10/09/2026 | 2026 CO Gian Luc Jordan Open | |
| 2825 | Lehai Li | 43.12 | 10 | B Min | BB: 42.89 (+0.23s | 0.5%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 2826 | Charlie Jones | 43.12 | 9 | B Min | BB: 42.89 (+0.23s | 0.5%) | Everett | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 2827 | Alexi Covarrubias | 43.12 | 10 | B Min | BB: 42.89 (+0.23s | 0.5%) | West Texas Typhoon | 02/22/2026 | 2026 BD SC Jr Border Championship | |
| 2828 | Simon Zvenigorodskiy | 43.12 | 9 | B Min | BB: 42.89 (+0.23s | 0.5%) | Jcc Sea Serpents | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 2829 | Nathanael Richards | 43.12 | 10 | B Min | BB: 42.89 (+0.23s | 0.5%) | Spokane Waves Aquatic Team | 10/10/2026 | SWAT Fall Challenge 2026 | |
| 2830 | Elliott Horng | 43.13 | 8 | B Min | BB: 42.89 (+0.24s | 0.6%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 2831 | Edison Cois | 43.13 | 10 | B Min | BB: 42.89 (+0.24s | 0.6%) | Life Time Oregon Swim Team | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 2832 | Beckham Pannel | 43.14 | 10 | B Min | BB: 42.89 (+0.25s | 0.6%) | Shock Wave | 11/07/2025 | 2025 SE BSL Cranberry Classic | |
| 2833 | Theodore Post | 43.14 | 9 | B Min | BB: 42.89 (+0.25s | 0.6%) | Swim Team of Placentia | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 2834 | Jeffrey Yang | 43.15 | 9 | B Min | BB: 42.89 (+0.26s | 0.6%) | Swim Torrance | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 2835 | Benjamin Matson | 43.15 | 9 | B Min | BB: 42.89 (+0.26s | 0.6%) | Annapolis Swim Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 2836 | Adam Wang | 43.15 | 9 | B Min | BB: 42.89 (+0.26s | 0.6%) | Riptide Swim Team | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 2837 | John Henry | 43.16 | 10 | B Min | BB: 42.89 (+0.27s | 0.6%) | 92ny Flying Dolphins | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 2838 | Conor Valdez | 43.16 | 10 | B Min | BB: 42.89 (+0.27s | 0.6%) | Greater Pensacola Aquatic Club | 02/13/2026 | 2026 SES Region 4 Championships | |
| 2839 | Henry Xu | 43.16 | 9 | B Min | BB: 42.89 (+0.27s | 0.6%) | Csp Tideriders | 10/24/2026 | 2026 METS Splash Of The Titans Copied | |
| 2840 | Edmund Merrill | 43.17 | 9 | B Min | BB: 42.89 (+0.28s | 0.6%) | Westbrook Seals | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 2841 | Mikhail Lagzdin | 43.17 | 9 | B Min | BB: 42.89 (+0.28s | 0.6%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 2842 | Joseph Fernandez | 43.18 | 9 | B Min | BB: 42.89 (+0.29s | 0.7%) | Staten Island Aquatics Club | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 2843 | Benjamin Uriburu-Routh | 43.18 | 10 | B Min | BB: 42.89 (+0.29s | 0.7%) | Frederick Area Swim Team | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 2844 | Sahand Saeidi | 43.18 | 9 | B Min | BB: 42.89 (+0.29s | 0.7%) | Commonwealth Swimming | 06/26/2026 | 2026 NE CS Summer Classic | |
| 2845 | Alejandro Rigual Osorno | 43.18 | 10 | B Min | BB: 42.89 (+0.29s | 0.7%) | Fast Falcons | 10/09/2026 | 2026 FAST Pumpkin Plunge | |
| 2846 | Blake McClanahan | 43.18 | 10 | B Min | BB: 42.89 (+0.29s | 0.7%) | Parkway-Rockwood Gateway Swim | 09/19/2026 | 2026 RCA Fall Classic | |
| 2847 | Aanav Parekh | 43.19 | 9 | B Min | BB: 42.89 (+0.30s | 0.7%) | Phoenix Swimming | 07/30/2026 | 2026 NE CRA Prelim Final SCY Meet | |
| 2848 | Everett Regula | 43.19 | 10 | B Min | BB: 42.89 (+0.30s | 0.7%) | Aulea Swim Club | 10/02/2026 | 2026 HI Al Minn Invitational | |
| 2849 | Paul Buckley | 43.19 | 9 | B Min | BB: 42.89 (+0.30s | 0.7%) | Southeast Tennessee Swimming | 10/17/2026 | 2026 MCC October Invite Copied | |
| 2850 | Coleman Wixom | 43.20 | 10 | B Min | BB: 42.89 (+0.31s | 0.7%) | Heartland Swim Assoc | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
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.