USA Boys 10 & under - 50 Y Free
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 | Lukas Coppersmith | 32.63 | 9 | BB Min | A: 31.09 (+1.54s | 4.7%) | Roseburg High School | 02/14/2025 | 2025 OR HS 6A 7 | |
| 1652 | Paxton Coggins | 32.64 | 9 | BB Min | A: 31.09 (+1.55s | 4.7%) | Y-Spartaquatics Swim Club | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 1653 | Jude Ramirez | 32.64 | 8 | BB Min | A: 31.09 (+1.55s | 4.7%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 1654 | Ayden Perez | 32.64 | 10 | BB Min | A: 31.09 (+1.55s | 4.7%) | Thunder Bay Schooners | 02/15/2026 | 2026 MTSL Championship | |
| 1655 | Porter Pitti | 32.65 | 8 | BB Min | A: 31.09 (+1.56s | 4.8%) | Olympus Aquatics | 11/06/2025 | 2025 OA Thanksgiving Turkey Meet | |
| 1656 | Isaac Li | 32.65 | 9 | BB Min | A: 31.09 (+1.56s | 4.8%) | Long Island Aquatic Club | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 1657 | Isaiah Coupland | 32.65 | 10 | BB Min | A: 31.09 (+1.56s | 4.8%) | North Carolina Aquatic Club | 01/16/2026 | GSA January Jump Start 2026 | |
| 1658 | George Makin | 32.65 | 10 | BB Min | A: 31.09 (+1.56s | 4.8%) | Radnor Aquatic Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 1659 | Aydan Li | 32.65 | 10 | BB Min | A: 31.09 (+1.56s | 4.8%) | Hydro Aquatics Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1660 | Simon Feldman | 32.66 | 8 | BB Min | A: 31.09 (+1.57s | 4.8%) | Patriot Aquatics | 12/04/2025 | RAFC Winter Classic | |
| 1661 | Oleksandr Yaroshyk | 32.66 | 10 | BB Min | A: 31.09 (+1.57s | 4.8%) | Valley Aquatics | 11/16/2025 | 2025 PN PAC Q Meet | |
| 1662 | Ryan Sanders | 32.66 | 9 | BB Min | A: 31.09 (+1.57s | 4.8%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 1663 | Liam Laudier | 32.66 | 9 | BB Min | A: 31.09 (+1.57s | 4.8%) | Hydra Aquatics | 11/21/2025 | 2025 Fall Festivus | |
| 1664 | Nino Arndt | 32.66 | 10 | BB Min | A: 31.09 (+1.57s | 4.8%) | Upper Main Line YMCA | 12/11/2025 | 2025 East Coast WinterFest | |
| 1665 | Michael Ma | 32.66 | 10 | BB Min | A: 31.09 (+1.57s | 4.8%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 1666 | Evan Willis | 32.67 | 10 | BB Min | A: 31.09 (+1.58s | 4.8%) | Madison Swimming Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 1667 | Eason Kim | 32.67 | 9 | BB Min | A: 31.09 (+1.58s | 4.8%) | All Star Aquatics | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 1668 | Daniel Popko | 32.67 | 9 | BB Min | A: 31.09 (+1.58s | 4.8%) | Matchpoint Nyc | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 1669 | Mason Jaeggi | 32.68 | 10 | BB Min | A: 31.09 (+1.59s | 4.9%) | Pine Crest Swim Team | 09/05/2025 | September Central Park Series | |
| 1670 | Sava Sikirica | 32.68 | 10 | BB Min | A: 31.09 (+1.59s | 4.9%) | Suburban Seahawks Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 1671 | Zhouhan Yang | 32.68 | 10 | BB Min | A: 31.09 (+1.59s | 4.9%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1672 | Michael Evans | 32.68 | 10 | BB Min | A: 31.09 (+1.59s | 4.9%) | Sea Dragon Aquatics | 11/22/2025 | 2025 SDA November Open | |
| 1673 | Forest Hastings | 32.68 | 9 | BB Min | A: 31.09 (+1.59s | 4.9%) | Roseburg High School | 02/14/2025 | 2025 OR HS 6A 7 | |
| 1674 | Grant Zimmermann | 32.68 | 9 | BB Min | A: 31.09 (+1.59s | 4.9%) | YMCA of the Triangle Area Swim | 01/23/2026 | GCY Winter Meet 2026 | |
| 1675 | George Yu | 32.69 | 9 | BB Min | A: 31.09 (+1.60s | 4.9%) | Santa Clara Swim Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 1676 | Alexander Dmyterko | 32.69 | 9 | BB Min | A: 31.09 (+1.60s | 4.9%) | Wahoo\\\\\\'s of Wellington | 09/06/2025 | Lightning Almost Fall Sub Champs Inv | |
| 1677 | Edward Harris | 32.69 | 8 | BB Min | A: 31.09 (+1.60s | 4.9%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1678 | Brian Yu | 32.69 | 10 | BB Min | A: 31.09 (+1.60s | 4.9%) | Dare Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1679 | Cole Nicholson | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | Empire Swimming | 12/13/2025 | 2025 MR TRI Winter SCY Invitational | |
| 1680 | Yong-Jun Yu | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1681 | Aaron Kim | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | EL Paso Border Land Swim Team | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 1682 | Ethan Su | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | Belmont Aquatic Team | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1683 | Liam O'Brien | 32.70 | 9 | BB Min | A: 31.09 (+1.61s | 4.9%) | Walnut Creek Aquabears | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 1684 | Kai Jo | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | Punahou Aquatics Institute | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 1685 | Micah Balmaceda | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | Commonwealth Swimming | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 1686 | Everett Beichner | 32.71 | 9 | BB Min | A: 31.09 (+1.62s | 5.0%) | Machine Aquatics | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1687 | Aaron Rich | 32.71 | 10 | BB Min | A: 31.09 (+1.62s | 5.0%) | Kingfish Swimming Medfield | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1688 | Cortez Dunn | 32.71 | 10 | BB Min | A: 31.09 (+1.62s | 5.0%) | Mission Viejo Nadadores | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1689 | Preston Tran | 32.71 | 9 | BB Min | A: 31.09 (+1.62s | 5.0%) | Irvine Novaquatics | 02/14/2025 | 2025 CCS SCY AGC | |
| 1690 | Aiden Mulcahy | 32.71 | 10 | BB Min | A: 31.09 (+1.62s | 5.0%) | Aulea Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 1691 | Flynn Kimball | 32.72 | 10 | BB Min | A: 31.09 (+1.63s | 5.0%) | Rockford Riptide | 11/15/2025 | 2025 GR Gales Of November Open Invitational | |
| 1692 | Santiago Rodriguez | 32.72 | 10 | BB Min | A: 31.09 (+1.63s | 5.0%) | Cyclones Swim Team | 12/05/2025 | 2025 FG Holiday Champ | |
| 1693 | Palmantonio Semerano | 32.72 | 10 | BB Min | A: 31.09 (+1.63s | 5.0%) | Belen Jesuit Preparatory | 10/17/2025 | 2025 Belen Jesuit Invitational | |
| 1694 | William Heath | 32.73 | 9 | BB Min | A: 31.09 (+1.64s | 5.0%) | YMCA of Greater Nashua Storm | 10/10/2025 | 2025 NE CRA October Distance Specialty Meet | |
| 1695 | Corban Williams | 32.73 | 9 | BB Min | A: 31.09 (+1.64s | 5.0%) | Selah | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 1696 | Kenneth Huang | 32.73 | 10 | BB Min | A: 31.09 (+1.64s | 5.0%) | Charles River Aquatics | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1697 | Arthur Goonen | 32.73 | 10 | BB Min | A: 31.09 (+1.64s | 5.0%) | Mecklenburg Swim Association | 12/05/2025 | ATOM Winter Invite 2025 | |
| 1698 | Aaron Zheng | 32.73 | 10 | BB Min | A: 31.09 (+1.64s | 5.0%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1699 | Andrick McDermott | 32.73 | 10 | BB Min | A: 31.09 (+1.64s | 5.0%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 1700 | Yixuan Zhu | 32.73 | 10 | BB Min | A: 31.09 (+1.64s | 5.0%) | Pleasanton Seahawks | 01/10/2026 | Pleasanton Seahawks SCY C B BB+ 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.