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 | Jonas Inscoe | 39.61 | 9 | BB Min | A: 37.59 (+2.02s | 5.1%) | Waterloo Swimming | 01/09/2026 | 2026 ST TXLA New Year S Classic Invite | |
| 1652 | Dharma Kunkyab | 39.61 | 9 | BB Min | A: 37.59 (+2.02s | 5.1%) | Twisters Swim Club | 11/14/2025 | 2025 MR FLY Big Apple Classic Invitational | |
| 1653 | Ryder Abran | 39.61 | 10 | BB Min | A: 37.59 (+2.02s | 5.1%) | YMCA East Hampton Hurricanes | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 1654 | Nicholas Brumaru | 39.61 | 9 | BB Min | A: 37.59 (+2.02s | 5.1%) | Olympic Cascade Aquatics | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 1655 | Luke Fischer | 39.62 | 10 | BB Min | A: 37.59 (+2.03s | 5.1%) | Lynchburg Aquatic Club | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 1656 | Gage Tucker | 39.62 | 9 | BB Min | A: 37.59 (+2.03s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 VSTP Polar Plunge | |
| 1657 | Andrey Kirnos | 39.62 | 9 | BB Min | A: 37.59 (+2.03s | 5.1%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 1658 | Sean Cha | 39.62 | 10 | BB Min | A: 37.59 (+2.03s | 5.1%) | Madison Swimming Association | 01/30/2026 | MSA Ray Fogg Memorial Meet 2026 | |
| 1659 | Lucas Kuhlman | 39.63 | 10 | BB Min | A: 37.59 (+2.04s | 5.1%) | Hurricanes Swim Team | 10/04/2025 | 2025 MN HURR Fall Intrasquad | |
| 1660 | Oscar Holler | 39.63 | 10 | BB Min | A: 37.59 (+2.04s | 5.1%) | Milpitas Aquatic Club | 12/12/2025 | Winter SC Age Group Championships | |
| 1661 | Mason Folster | 39.63 | 9 | BB Min | A: 37.59 (+2.04s | 5.1%) | Rio Salado Swim Club | 02/14/2025 | 33rd Annual Lost Dutchman Invitational | |
| 1662 | Maximus Erhardt | 39.63 | 10 | BB Min | A: 37.59 (+2.04s | 5.1%) | Cardinal and Gold Aquatics | 11/14/2025 | Harvest Festival 2025 | |
| 1663 | Ata Balikcioglu | 39.63 | 10 | BB Min | A: 37.59 (+2.04s | 5.1%) | Tac Titans | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 1664 | Joshua Margolius | 39.64 | 9 | BB Min | A: 37.59 (+2.05s | 5.2%) | Rivertown Aquatics | 01/09/2026 | MR 2026 12 UNDER TEAM WINTER CARNIVAL | |
| 1665 | Kaulu Au | 39.64 | 10 | BB Min | A: 37.59 (+2.05s | 5.2%) | Rainbow Aquatics | 11/09/2025 | OSL A+ SCY Meet | |
| 1666 | Reagan Chau | 39.65 | 10 | BB Min | A: 37.59 (+2.06s | 5.2%) | Ensworth Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 1667 | Liam Woods | 39.65 | 10 | BB Min | A: 37.59 (+2.06s | 5.2%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 1668 | Maksim Chichetenko | 39.65 | 8 | BB Min | A: 37.59 (+2.06s | 5.2%) | Fast Lane Aquatics | 12/04/2025 | RAFC Winter Classic | |
| 1669 | Evan Yue | 39.66 | 9 | BB Min | A: 37.59 (+2.07s | 5.2%) | Nation\\\\\\'s Capital Swim Club | 10/10/2025 | 2025 PV October Open Fairland | |
| 1670 | Rowan Hansen | 39.66 | 9 | BB Min | A: 37.59 (+2.07s | 5.2%) | Plymouth Canton Cruisers | 01/16/2026 | SLA Arctic Blast 2026 | |
| 1671 | Zachary Amore | 39.66 | 10 | BB Min | A: 37.59 (+2.07s | 5.2%) | Southern Maryland Aquatics | 02/06/2026 | 2026 Last Chance Qualifying Meet | |
| 1672 | Anthony Ryan | 39.66 | 10 | BB Min | A: 37.59 (+2.07s | 5.2%) | Valley Swim Team Phoenix | 12/05/2025 | 2025 VSTP Ice Breaker Invitational | |
| 1673 | Joshua Vitale | 39.66 | 10 | BB Min | A: 37.59 (+2.07s | 5.2%) | Lake Oswego Swim Club | 12/12/2025 | 2025 OR HEAT Age Group Jubilee | |
| 1674 | Shay Jain | 39.66 | 9 | BB Min | A: 37.59 (+2.07s | 5.2%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1675 | Nazar Lavrentiev | 39.66 | 10 | BB Min | A: 37.59 (+2.07s | 5.2%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 1676 | Boris Petrov | 39.66 | 9 | BB Min | A: 37.59 (+2.07s | 5.2%) | Patriot Aquatics | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 1677 | Bennett Hughes | 39.67 | 10 | BB Min | A: 37.59 (+2.08s | 5.2%) | Great Lakes Tritons | 02/13/2026 | 2026 Showdown In Motown | |
| 1678 | Darren Zhao | 39.67 | 9 | BB Min | A: 37.59 (+2.08s | 5.2%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1679 | George Gardner | 39.68 | 9 | BB Min | A: 37.59 (+2.09s | 5.3%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 1680 | Michael Fan | 39.68 | 10 | BB Min | A: 37.59 (+2.09s | 5.3%) | High Performance Aquatic Club | 12/06/2025 | 2025 HPAC 5th Annual Festivus Winterfest | |
| 1681 | Silas Sivilay | 39.68 | 10 | BB Min | A: 37.59 (+2.09s | 5.3%) | Aquajets Swim Team | 02/07/2026 | 2026 MN AQJT February Invite | |
| 1682 | Jameson Leung | 39.68 | 9 | BB Min | A: 37.59 (+2.09s | 5.3%) | Trident Aquatic Club | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 1683 | Danil Mastropas-Brown | 39.69 | 10 | BB Min | A: 37.59 (+2.10s | 5.3%) | Nova of Virginia | 10/04/2025 | NOVA 12 Under Kick Off Copied | |
| 1684 | Alexander Donovan | 39.69 | 10 | BB Min | A: 37.59 (+2.10s | 5.3%) | Eastern Nassau Aquatic Club | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 1685 | Reese Baxter | 39.69 | 10 | BB Min | A: 37.59 (+2.10s | 5.3%) | Portland Porpoise Swim Club | 01/10/2026 | 2026 NE CS Winter Classic | |
| 1686 | Luke Jordan | 39.70 | 10 | BB Min | A: 37.59 (+2.11s | 5.3%) | Unattached | 10/11/2025 | 2025 WAC Start Up Classic | |
| 1687 | Beckett Roth | 39.70 | 10 | BB Min | A: 37.59 (+2.11s | 5.3%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1688 | Graham Stein | 39.70 | 11 | BB Min | A: 37.59 (+2.11s | 5.3%) | Team Suffolk | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 1689 | Connor Sisserson | 39.71 | 9 | BB Min | A: 37.59 (+2.12s | 5.3%) | Herndon Aquatic Club | 01/17/2026 | PVS January Open 2026 PWCS | |
| 1690 | Chezeq Morgos | 39.71 | 10 | BB Min | A: 37.59 (+2.12s | 5.3%) | Sea Dragon Aquatics | 12/05/2025 | 2025 Sea Dragon Aquatics Frosty Freeze | |
| 1691 | Thomas Blumenschein | 39.71 | 9 | BB Min | A: 37.59 (+2.12s | 5.3%) | Tollefson Swimming | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 1692 | William Hall | 39.71 | 8 | BB Min | A: 37.59 (+2.12s | 5.3%) | Tennessee Aquatics | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 1693 | Christian Noweder | 39.71 | 9 | BB Min | A: 37.59 (+2.12s | 5.3%) | Apex Aquatic Club | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 1694 | Toxey Robbins | 39.71 | 9 | BB Min | A: 37.59 (+2.12s | 5.3%) | Shoals Aquatic Club | 02/06/2026 | 2026 SES Region 3 Champions | |
| 1695 | Eli Bolten | 39.71 | 10 | BB Min | A: 37.59 (+2.12s | 5.3%) | Nation\\\\\\'s Capital Swim Club | 11/14/2025 | 2025 PV November Open Dulles South | |
| 1696 | Nello Licamele | 39.72 | 10 | BB Min | A: 37.59 (+2.13s | 5.4%) | New Wave Swim Team | 12/13/2025 | 2025 Ugly Sweater Meet | |
| 1697 | Carson Logar | 39.72 | 9 | BB Min | A: 37.59 (+2.13s | 5.4%) | Mecklenburg Swim Association | 12/05/2025 | ATOM Winter Invite 2025 | |
| 1698 | Boxuan Yu | 39.72 | 10 | BB Min | A: 37.59 (+2.13s | 5.4%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 1699 | Harrison Brooks | 39.72 | 10 | BB Min | A: 37.59 (+2.13s | 5.4%) | Kceoc Aquatic Club | 11/22/2025 | 2025 Dragonfly Medical Cranberry Classic | |
| 1700 | Maxwell Chen | 39.74 | 9 | BB Min | A: 37.59 (+2.15s | 5.4%) | Suburban Aquatics | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
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.