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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1651 | Ryan Bascon | 39.92 | 10 | BB Min | A: 37.59 (+2.33s | 5.8%) | Team Suffolk | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 1652 | Ren Yu | 39.92 | 10 | BB Min | A: 37.59 (+2.33s | 5.8%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1653 | Matthew Monroe | 39.93 | 10 | BB Min | A: 37.59 (+2.34s | 5.9%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1654 | Everett Chery-Hise | 39.93 | 9 | BB Min | A: 37.59 (+2.34s | 5.9%) | Loyola Blakefield Aquatics | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 1655 | Luca Tabacu | 39.93 | 9 | BB Min | A: 37.59 (+2.34s | 5.9%) | Clearwater Aquatic Team | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 1656 | Vinh Bui | 39.93 | 10 | BB Min | A: 37.59 (+2.34s | 5.9%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 1657 | Clark Peterson | 39.94 | 10 | BB Min | A: 37.59 (+2.35s | 5.9%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1658 | Bennett Peiffer | 39.94 | 10 | BB Min | A: 37.59 (+2.35s | 5.9%) | Pacific Piranha Swim Team | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 1659 | Jack Hallermann | 39.94 | 10 | BB Min | A: 37.59 (+2.35s | 5.9%) | Velocity Aquatics | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 1660 | Micah Balmaceda | 39.94 | 10 | BB Min | A: 37.59 (+2.35s | 5.9%) | Commonwealth Swimming | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 1661 | Hudson Porter | 39.94 | 10 | BB Min | A: 37.59 (+2.35s | 5.9%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 1662 | John Tikhonov | 39.95 | 10 | BB Min | A: 37.59 (+2.36s | 5.9%) | Matchpoint Nyc | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 1663 | Wyatt Flynn | 39.95 | 10 | BB Min | A: 37.59 (+2.36s | 5.9%) | Raleigh Swimming Association | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 1664 | Victor Varga | 39.95 | 9 | BB Min | A: 37.59 (+2.36s | 5.9%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1665 | Charles Niessner | 39.95 | 10 | BB Min | A: 37.59 (+2.36s | 5.9%) | Mecklenburg Swim Association | 01/17/2026 | 2026 MSA January Invite | |
| 1666 | Calvin Larkin | 39.96 | 9 | BB Min | A: 37.59 (+2.37s | 5.9%) | Bend Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1667 | Anthony Militano | 39.96 | 10 | BB Min | A: 37.59 (+2.37s | 5.9%) | Empire Swimming | 12/06/2025 | 2025 MR PAC 12 U Holiday Invitational | |
| 1668 | Javi Espinosa | 39.96 | 10 | BB Min | A: 37.59 (+2.37s | 5.9%) | Metro Aquatic Club of Miami | 02/14/2026 | NMST BMHG February BC Invite 26 | |
| 1669 | Jaafar Lahmidi | 39.96 | 10 | BB Min | A: 37.59 (+2.37s | 5.9%) | Foothills Swim Team | 01/16/2026 | 2026 CO CUDA Classic | |
| 1670 | Noah Chiu | 39.96 | 10 | BB Min | A: 37.59 (+2.37s | 5.9%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 1671 | Oliver McKee | 39.96 | 10 | BB Min | A: 37.59 (+2.37s | 5.9%) | Cincinnati Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1672 | Hordii Baranov | 39.96 | 7 | BB Min | A: 37.59 (+2.37s | 5.9%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1673 | Samuel Zvenigorodskiy | 39.96 | 10 | BB Min | A: 37.59 (+2.37s | 5.9%) | Jcc Sea Serpents | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1674 | Owen Matarazzo | 39.98 | 10 | BB Min | A: 37.59 (+2.39s | 6.0%) | The Spartans of La Canada | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1675 | DeMario Cruz-Webb | 39.98 | 9 | BB Min | A: 37.59 (+2.39s | 6.0%) | Saluki Swim Club | 02/27/2026 | Ozark Division I Championship | |
| 1676 | David Chen | 39.98 | 10 | BB Min | A: 37.59 (+2.39s | 6.0%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 1677 | Channing Pepper | 39.98 | 10 | BB Min | A: 37.59 (+2.39s | 6.0%) | Seals Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 1678 | John Netsch | 39.99 | 8 | BB Min | A: 37.59 (+2.40s | 6.0%) | Club Wolverine | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 1679 | Ari Vora | 39.99 | 10 | BB Min | A: 37.59 (+2.40s | 6.0%) | All Star Aquatics | 03/20/2026 | March Madness 2026 | |
| 1680 | Graham McGuire | 39.99 | 8 | BB Min | A: 37.59 (+2.40s | 6.0%) | Swim Florida | 11/07/2025 | 2025 SYS Turkey Meet | |
| 1681 | Cameron Lane | 40.00 | 10 | BB Min | A: 37.59 (+2.41s | 6.0%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1682 | Reed Bortner | 40.00 | 10 | BB Min | A: 37.59 (+2.41s | 6.0%) | Fairfax Foxes Swimming | 01/10/2026 | 2026 RAYS Jeff Rouse Invitational | |
| 1683 | Vivaan Jithesh | 40.00 | 10 | BB Min | A: 37.59 (+2.41s | 6.0%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 VSTP Polar Plunge | |
| 1684 | Thomas Kyung | 40.00 | 8 | BB Min | A: 37.59 (+2.41s | 6.0%) | Maywood Sparks Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 1685 | Alfred Mueller | 40.01 | 10 | BB Min | A: 37.59 (+2.42s | 6.0%) | Merritt Athletic Swimming | 12/21/2025 | The Grinch Stole My Times (9 O BB Slowe) 2025 | |
| 1686 | Milo Neumann | 40.01 | 10 | BB Min | A: 37.59 (+2.42s | 6.0%) | High Tides Swim Club | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 1687 | Max Block | 40.01 | 9 | BB Min | A: 37.59 (+2.42s | 6.0%) | Metro Marlins Swim Team | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 1688 | James Foster | 40.01 | 9 | BB Min | A: 37.59 (+2.42s | 6.0%) | Aquawolves Swimming | 02/14/2026 | 2026 CO AQUA February Home Meet | |
| 1689 | Adoren Sun | 40.01 | 9 | BB Min | A: 37.59 (+2.42s | 6.0%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1690 | Marco Gonzalez | 40.01 | 10 | BB Min | A: 37.59 (+2.42s | 6.0%) | South Bay Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1691 | Jacob Wills | 40.02 | 10 | BB Min | A: 37.59 (+2.43s | 6.1%) | Bgc-N. Westchester Marlins | 12/05/2025 | 2025 MR BGNW December 14 Under Invitational | |
| 1692 | William Martzke | 40.02 | 10 | BB Min | A: 37.59 (+2.43s | 6.1%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 1693 | Sean Broderick | 40.02 | 9 | BB Min | A: 37.59 (+2.43s | 6.1%) | Staten Island Aquatics Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1694 | Warren Gehring | 40.02 | 10 | BB Min | A: 37.59 (+2.43s | 6.1%) | Triton Swimming of Louisville | 01/16/2026 | 2026 HSA TYR Invitational | |
| 1695 | Owen Cook | 40.03 | 9 | BB Min | A: 37.59 (+2.44s | 6.1%) | South Central Swimming | 03/07/2026 | 2026 Lake Superior Regional Meet | |
| 1696 | Keaton Tanner | 40.03 | 10 | BB Min | A: 37.59 (+2.44s | 6.1%) | Lynchburg YMCA Swim Team | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1697 | Vincent Nan | 40.03 | 10 | BB Min | A: 37.59 (+2.44s | 6.1%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 1698 | Waring Boon | 40.03 | 8 | BB Min | A: 37.59 (+2.44s | 6.1%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1699 | Yien Dai | 40.04 | 10 | BB Min | A: 37.59 (+2.45s | 6.1%) | Edge Swim Club | 01/30/2026 | 2026 NE UVAC Silvers | |
| 1700 | Andrei Sanchez | 40.04 | 10 | BB Min | A: 37.59 (+2.45s | 6.1%) | Island Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
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.