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 | |
|---|---|---|---|---|---|---|---|---|---|
| 551 | Stryker Fonseca | 36.15 | 9 | A Min | AA: 35.79 (+0.36s | 1.0%) | Barracuda Aquatic Club | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 552 | Jacob Zechmeister | 36.15 | 9 | A Min | AA: 35.79 (+0.36s | 1.0%) | Minnetonka Swim Club | 12/06/2024 | 2024 MN AQJT 14 U Single Age State Meet | |
| 553 | Leonardo Maia | 36.15 | 10 | A Min | AA: 35.79 (+0.36s | 1.0%) | Swim Coral Springs | 12/11/2025 | 35th Annual Winter Championships | |
| 554 | Samuel Marotti | 36.16 | 10 | A Min | AA: 35.79 (+0.37s | 1.0%) | Unattached | 12/11/2025 | 35th Annual Winter Championships | |
| 555 | Anders Hammond | 36.17 | 10 | A Min | AA: 35.79 (+0.38s | 1.1%) | Riptide Swim Team | 01/10/2026 | 2026 CO FAST Vs TOPS Vs RIP | |
| 556 | Nicholas Selvaggi | 36.17 | 9 | A Min | AA: 35.79 (+0.38s | 1.1%) | Fox Swim Club | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 557 | Charles Swinsick | 36.17 | 10 | A Min | AA: 35.79 (+0.38s | 1.1%) | Marlins Of Raleigh | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 558 | Holton Lika | 36.18 | 9 | A Min | AA: 35.79 (+0.39s | 1.1%) | Swim Florida | 01/16/2026 | 2026 T2 Aquatics Naples Open | |
| 559 | Eli Mickelson | 36.18 | 8 | A Min | AA: 35.79 (+0.39s | 1.1%) | Carpet Capital Aquatics Club | 01/09/2026 | 2026 MCC January Invite | |
| 560 | Erik Serbinenko | 36.18 | 10 | A Min | AA: 35.79 (+0.39s | 1.1%) | Crimson Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 561 | Alex Hake | 36.19 | 10 | A Min | AA: 35.79 (+0.40s | 1.1%) | Life Time Southeast | 02/06/2026 | 2026 SES Region 3 Champions | |
| 562 | Dylan Laidlaw | 36.21 | 10 | A Min | AA: 35.79 (+0.42s | 1.2%) | Three Village Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 563 | Allen Chen | 36.22 | 10 | A Min | AA: 35.79 (+0.43s | 1.2%) | Seattle Metropolitan Aquatic C | 10/04/2025 | 2025 PN SMAC Fall Kick Off Invitational | |
| 564 | Philip Wong | 36.22 | 10 | A Min | AA: 35.79 (+0.43s | 1.2%) | Trident Aquatic Club | 10/04/2025 | 2025 MR QNS Hello Brooklyn Invitational | |
| 565 | Reyansh Dhwajad | 36.22 | 9 | A Min | AA: 35.79 (+0.43s | 1.2%) | SwimMAC Carolina | 12/05/2025 | ATOM Winter Invite 2025 | |
| 566 | Rafael Hewett | 36.22 | 9 | A Min | AA: 35.79 (+0.43s | 1.2%) | New Wave Swim Team | 01/16/2026 | 2026 RSA Winter Tri | |
| 567 | Guy Caffey V | 36.23 | 10 | A Min | AA: 35.79 (+0.44s | 1.2%) | Cullman Swim Association | 12/13/2025 | 2025 Marshmallow Mini | |
| 568 | Bennett Upton | 36.23 | 9 | A Min | AA: 35.79 (+0.44s | 1.2%) | Greensboro Community YMCA | 11/01/2025 | Phyllis Steimel Invitational 2025 | |
| 569 | Sebastian Reilly | 36.23 | 9 | A Min | AA: 35.79 (+0.44s | 1.2%) | Nation\\\\\\'s Capital Swim Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 570 | Ryan Nesmith | 36.24 | 10 | A Min | AA: 35.79 (+0.45s | 1.2%) | Swim Florida | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 571 | Cash Hardy | 36.24 | 9 | A Min | AA: 35.79 (+0.45s | 1.2%) | West Valley High School | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 572 | Isaiah Coupland | 36.24 | 10 | A Min | AA: 35.79 (+0.45s | 1.2%) | North Carolina Aquatic Club | 02/14/2026 | 2026 CAT Valentine Splash | |
| 573 | Adam Boned | 36.24 | 9 | A Min | AA: 35.79 (+0.45s | 1.2%) | Bergen Barracudas Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 574 | Ethan Fang | 36.24 | 11 | A Min | AA: 35.79 (+0.45s | 1.2%) | 92ny Flying Dolphins | 02/06/2026 | 2026 MR YMID February Classic Copied | |
| 575 | Leo Ferrante | 36.24 | 10 | A Min | AA: 35.79 (+0.45s | 1.2%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 576 | Peter Lall | 36.25 | 10 | A Min | AA: 35.79 (+0.46s | 1.3%) | Upper Dublin Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 577 | Jayson Zayas | 36.25 | 9 | A Min | AA: 35.79 (+0.46s | 1.3%) | Sharks | 03/28/2025 | 2025 Sunshine State Showcase | |
| 578 | William Moreno | 36.25 | 10 | A Min | AA: 35.79 (+0.46s | 1.3%) | Carolina Aquatic Team | 11/21/2025 | 2025 ECA Southeastern Classic | |
| 579 | Matthew Baird | 36.25 | 10 | A Min | AA: 35.79 (+0.46s | 1.3%) | Atlantis Swimming | 02/06/2026 | 2026 Michigan Open | |
| 580 | Aiden Kim | 36.26 | 10 | A Min | AA: 35.79 (+0.47s | 1.3%) | Canyons Aquatic Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 581 | Emerson Young | 36.26 | 11 | A Min | AA: 35.79 (+0.47s | 1.3%) | South Shore YMCA Strypers | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 582 | Zac Sonne | 36.26 | 10 | A Min | AA: 35.79 (+0.47s | 1.3%) | Indian River Aquatics | 01/24/2026 | 2026 TCA Winter Open | |
| 583 | Brennan Garr | 36.26 | 10 | A Min | AA: 35.79 (+0.47s | 1.3%) | Bellevue Club Swim Team | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 584 | Martin Takats | 36.26 | 10 | A Min | AA: 35.79 (+0.47s | 1.3%) | Quest Swimming | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 585 | Michael Cheng | 36.27 | 8 | A Min | AA: 35.79 (+0.48s | 1.3%) | Brea Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 586 | Vihaan Pothuneedi | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | Staten Island Aquatics Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 587 | Elias Morgan | 36.27 | 9 | A Min | AA: 35.79 (+0.48s | 1.3%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 588 | Nathaniel Maravolo | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | Hurricane Penguins Swim Club | 12/12/2025 | OLY Swimming Holiday Bowl | |
| 589 | Yu Xu | 36.28 | 9 | A Min | AA: 35.79 (+0.49s | 1.4%) | SwimMAC Carolina | 01/23/2026 | 2026 NC SwimMAC Battle Of The Crown | |
| 590 | Roman Kuleshov | 36.28 | 9 | A Min | AA: 35.79 (+0.49s | 1.4%) | Saint Andrew\\\\\\'s Aquatics | 02/06/2026 | Friendship Meet 2026 | |
| 591 | Harvey Zhang | 36.28 | 10 | A Min | AA: 35.79 (+0.49s | 1.4%) | Wave Aquatics | 11/01/2025 | 2025 PN Bob Miller Sprint Distance Classic | |
| 592 | Dexter Danont | 36.28 | 10 | A Min | AA: 35.79 (+0.49s | 1.4%) | Charles River Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 593 | Jorden Li | 36.29 | 9 | A Min | AA: 35.79 (+0.50s | 1.4%) | Arctic Aquatics | 10/04/2025 | 2025 NE CS Fall Sprints Copied | |
| 594 | Caleb Nash | 36.29 | 9 | A Min | AA: 35.79 (+0.50s | 1.4%) | Enfinity Aquatic Club | 02/13/2026 | 2026 TYDE Be My Valentine Meet | |
| 595 | Joseph Lin | 36.29 | 10 | A Min | AA: 35.79 (+0.50s | 1.4%) | Madison Swimming Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 596 | Luke Jordan | 36.29 | 10 | A Min | AA: 35.79 (+0.50s | 1.4%) | Coast Gaurd Blue Dolphins | 12/05/2025 | 2025 757swim Grand Illumination | |
| 597 | Branimir Petkov | 36.30 | 9 | A Min | AA: 35.79 (+0.51s | 1.4%) | Evolution Racing Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 598 | Landen Chen | 36.30 | 9 | A Min | AA: 35.79 (+0.51s | 1.4%) | Revolution Swim Club | 02/06/2026 | 2026 NE CRIM Last Chance Meet | |
| 599 | Andrew George | 36.30 | 10 | A Min | AA: 35.79 (+0.51s | 1.4%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 600 | Sebastian Van Loon | 36.31 | 9 | A Min | AA: 35.79 (+0.52s | 1.4%) | Hydro-sonic Tiburones | 01/17/2026 | PVS January Open 2026 Fairland | |
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.