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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1601 | Graham Lardo | 39.48 | 10 | BB Min | A: 37.59 (+1.89s | 4.8%) | Club Wolverine | 02/14/2026 | SAC Winter Classic | |
| 1602 | Ethan Yao | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1603 | Rex Zhao | 39.48 | 10 | BB Min | A: 37.59 (+1.89s | 4.8%) | Machine Aquatics | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1604 | Aidan Grish | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | YMCA of Virginia\\\\\\'s Blue Ridge | 10/18/2025 | LY 2025 YMCA October Meet | |
| 1605 | Santiago Rodriguez | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | Cyclones Swim Team | 01/16/2026 | 2026 Speedo SoFlo Open | |
| 1606 | Kyle Garcia-Celis | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | Sarasota Tsunami Swim Team | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 1607 | Isaac Li | 39.49 | 9 | BB Min | A: 37.59 (+1.90s | 4.8%) | Long Island Aquatic Club | 01/10/2026 | 2026 MR FA Iron Dragon Invitational | |
| 1608 | Matthew Zhao | 39.50 | 9 | BB Min | A: 37.59 (+1.91s | 4.8%) | Brea Aquatics | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 1609 | Nolan Templeman | 39.50 | 9 | BB Min | A: 37.59 (+1.91s | 4.8%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 1610 | Timur Metov | 39.50 | 10 | BB Min | A: 37.59 (+1.91s | 4.8%) | Montverde Aquatic Club | 09/27/2025 | 2025 Elizabeth Kazeck Fall Sprint | |
| 1611 | Jonathan Brightwell | 39.50 | 10 | BB Min | A: 37.59 (+1.91s | 4.8%) | Wake Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 1612 | Norman Glauberman | 39.50 | 10 | BB Min | A: 37.59 (+1.91s | 4.8%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1613 | Alexander Pevzner | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | Ridgewood YMCA Breakers Swim T | 11/14/2025 | 2025 MR COND November IMX Invitational | |
| 1614 | Miles Kavanaugh | 39.51 | 9 | BB Min | A: 37.59 (+1.92s | 4.9%) | University Place Aquatic Club | 04/26/2025 | 2025 PN UPAC Mark Olson Invitational | |
| 1615 | Elliott Johnson | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | Bellevue Club Swim Team | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 1616 | Luke Chaikriangkrai | 39.52 | 9 | BB Min | A: 37.59 (+1.93s | 4.9%) | Pro Swimming | 01/23/2026 | 2026 PN Pro January Intrasquad Approved | |
| 1617 | Henry Busch | 39.52 | 10 | BB Min | A: 37.59 (+1.93s | 4.9%) | The Capitol Sea Devils | 01/24/2026 | 2026 SDS Polar Bear Invitational | |
| 1618 | Owen Kramer | 39.53 | 9 | BB Min | A: 37.59 (+1.94s | 4.9%) | New Wave Swim Team | 12/13/2025 | 2025 Ugly Sweater Meet | |
| 1619 | Dax Palermo | 39.53 | 9 | BB Min | A: 37.59 (+1.94s | 4.9%) | Long Island Aquatic Club | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 1620 | Logan McAvinue | 39.54 | 10 | BB Min | A: 37.59 (+1.95s | 4.9%) | YMCA of Middletown Barracudas | 11/14/2025 | 2025 MR VAC Viking Classic Invitational | |
| 1621 | Randall Plaisance | 39.54 | 9 | BB Min | A: 37.59 (+1.95s | 4.9%) | Opelika Swim Team | 02/06/2026 | 2026 SES Region 3 Champions | |
| 1622 | Keegan Kelly | 39.54 | 10 | BB Min | A: 37.59 (+1.95s | 4.9%) | Annapolis Swim Club | 11/07/2025 | 2025 Marlins Invitational | |
| 1623 | Braylon Ward | 39.54 | 9 | BB Min | A: 37.59 (+1.95s | 4.9%) | Aquatex Swim & Water Polo Team | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 1624 | Adam Jiang | 39.54 | 10 | BB Min | A: 37.59 (+1.95s | 4.9%) | Waterloo Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1625 | Penn Hofeld | 39.54 | 10 | BB Min | A: 37.59 (+1.95s | 4.9%) | Saint Andrew\\\\\\'s Aquatics | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 1626 | Henri Simard | 39.54 | 9 | BB Min | A: 37.59 (+1.95s | 4.9%) | Swim Florida | 09/20/2025 | 2025 GCST FALL INVITE | |
| 1627 | Henry Deurmeier | 39.54 | 9 | BB Min | A: 37.59 (+1.95s | 4.9%) | Olympus Aquatics | 11/21/2024 | 2024 MAC Thanksgiving Mini Meet | |
| 1628 | Reed Larson | 39.56 | 9 | BB Min | A: 37.59 (+1.97s | 5.0%) | Blue Tide Aquatics | 12/06/2024 | 2024 Gulf Age Group Championships | |
| 1629 | Henry Goddard | 39.56 | 9 | BB Min | A: 37.59 (+1.97s | 5.0%) | Cascadia Swimming | 08/01/2025 | Big Kahuna 2025 | |
| 1630 | Coen Yazdani | 39.56 | 9 | BB Min | A: 37.59 (+1.97s | 5.0%) | San Antonio Wave | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 1631 | Connor Wood | 39.56 | 9 | BB Min | A: 37.59 (+1.97s | 5.0%) | Rima United | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 1632 | Teague Perry | 39.56 | 10 | BB Min | A: 37.59 (+1.97s | 5.0%) | Sea Devils | 02/07/2026 | 2026 MN SDVL Sweet Heart Classic | |
| 1633 | Liam Shishko | 39.57 | 10 | BB Min | A: 37.59 (+1.98s | 5.0%) | Life Time Fitness New York Swi | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 1634 | Julian St. Peter | 39.57 | 9 | BB Min | A: 37.59 (+1.98s | 5.0%) | Edge Swim Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1635 | Nolan Wilkey | 39.57 | 10 | BB Min | A: 37.59 (+1.98s | 5.0%) | Minnetonka Swim Club | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 1636 | Aiden Mulcahy | 39.58 | 10 | BB Min | A: 37.59 (+1.99s | 5.0%) | Aulea Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 1637 | Gregory Zieman | 39.58 | 10 | BB Min | A: 37.59 (+1.99s | 5.0%) | City of Mobile Swim Associatio | 01/16/2026 | 2026 GPAC Winter Invitational | |
| 1638 | Jaden Moy | 39.58 | 10 | BB Min | A: 37.59 (+1.99s | 5.0%) | Fast Falcons | 01/30/2026 | 2026 FAST February Helping Hands Invite | |
| 1639 | Arvin Farhang | 39.58 | 10 | BB Min | A: 37.59 (+1.99s | 5.0%) | Royal Swim Team | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1640 | Aiden Chavarria | 39.59 | 7 | BB Min | A: 37.59 (+2.00s | 5.1%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 1641 | Patrick Riley | 39.59 | 10 | BB Min | A: 37.59 (+2.00s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 10/10/2025 | 2025 PV October Open Claude Moore | |
| 1642 | Asher Caponera | 39.59 | 9 | BB Min | A: 37.59 (+2.00s | 5.1%) | Florida Atlantic Aquatics | 11/21/2025 | 2025 NPB Turkey Invite | |
| 1643 | Ernest Hsu | 39.59 | 9 | BB Min | A: 37.59 (+2.00s | 5.1%) | Rose Bowl Aquatics | 03/13/2025 | 2025 SCS Spring Age Group Champs @ Armada | |
| 1644 | Yuvin Thapa | 39.60 | 8 | BB Min | A: 37.59 (+2.01s | 5.1%) | Twisters Swim Club | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 1645 | Abraham Kain | 39.60 | 9 | BB Min | A: 37.59 (+2.01s | 5.1%) | Hydra Aquatics | 11/21/2025 | 2025 Fall Festivus | |
| 1646 | Ashton Yang | 39.60 | 10 | BB Min | A: 37.59 (+2.01s | 5.1%) | Southwest Stars Swim Club | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 1647 | Raul Lopez-Leon | 39.60 | 11 | BB Min | A: 37.59 (+2.01s | 5.1%) | Northern Dutchess Aquatic Club | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 1648 | Jiho Won | 39.60 | 10 | BB Min | A: 37.59 (+2.01s | 5.1%) | Opelika Swim Team | 02/06/2026 | 2026 SES Region 3 Champions | |
| 1649 | Regis Scott | 39.60 | 10 | BB Min | A: 37.59 (+2.01s | 5.1%) | Annapolis Swim Club | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 1650 | Jason Yin | 39.60 | 9 | BB Min | A: 37.59 (+2.01s | 5.1%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S 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.