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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3551 | Maximilian Quimba | 43.25 | 10 | B Min | BB: 42.89 (+0.36s | 0.8%) | Spy Swim Team | 02/06/2026 | 2026 Last Chance Qualifying Meet | |
| 3552 | Jonathan Martinez | 43.26 | 10 | B Min | BB: 42.89 (+0.37s | 0.9%) | Mark Morris High School | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 3553 | Andrew Antosiewicz | 43.26 | 10 | B Min | BB: 42.89 (+0.37s | 0.9%) | North Jersey Barracudas | 10/10/2025 | 2025 MR COND October Fall Festival | |
| 3554 | Patrick Deegan | 43.26 | 10 | B Min | BB: 42.89 (+0.37s | 0.9%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 3555 | Alexander Zavala | 43.26 | 9 | B Min | BB: 42.89 (+0.37s | 0.9%) | Tuna Swim Club | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 3556 | Felix Goetz | 43.26 | 9 | B Min | BB: 42.89 (+0.37s | 0.9%) | Sarasota Sharks | 02/27/2026 | 2026 T2 Area 5 Championships | |
| 3557 | Vincent Falasco | 43.26 | 9 | B Min | BB: 42.89 (+0.37s | 0.9%) | Martin County Swimming | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 3558 | Ronan Connellan | 43.26 | 9 | B Min | BB: 42.89 (+0.37s | 0.9%) | Baylor Swim Club | 01/09/2026 | 2026 MCC January Invite | |
| 3559 | Ragnar Jones | 43.26 | 8 | B Min | BB: 42.89 (+0.37s | 0.9%) | Seattle Metropolitan Aquatic C | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 3560 | Remington Kalicinski | 43.26 | 9 | B Min | BB: 42.89 (+0.37s | 0.9%) | Wave Aquatics | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 3561 | Asher Dolgin | 43.27 | 10 | B Min | BB: 42.89 (+0.38s | 0.9%) | Team Suffolk | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 3562 | Liam Benson | 43.27 | 10 | B Min | BB: 42.89 (+0.38s | 0.9%) | Sea Devils | 01/10/2026 | 2026 MN MONC New Years Invite | |
| 3563 | Jonah Folk | 43.27 | 10 | B Min | BB: 42.89 (+0.38s | 0.9%) | River Falls Swim Club | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 3564 | Luke Cheng | 43.27 | 10 | B Min | BB: 42.89 (+0.38s | 0.9%) | Otter Swim Club | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 3565 | Baiyi Li | 43.27 | 10 | B Min | BB: 42.89 (+0.38s | 0.9%) | East Carolina Aquatics | 12/20/2025 | 2025 ECA Tis The Season Intrasquad | |
| 3566 | Taeyul Heo | 43.27 | 10 | B Min | BB: 42.89 (+0.38s | 0.9%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 3567 | Ethan King | 43.27 | 10 | B Min | BB: 42.89 (+0.38s | 0.9%) | The Fish | 03/20/2026 | 26th Annual Spring Championships | |
| 3568 | Matthew Chen | 43.27 | 10 | B Min | BB: 42.89 (+0.38s | 0.9%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 3569 | Finnegan Grimes | 43.28 | 9 | B Min | BB: 42.89 (+0.39s | 0.9%) | North Kent Aquatic Team | 12/30/2025 | 2025 Wildcat Winter Invite | |
| 3570 | Luke Slowik | 43.28 | 10 | B Min | BB: 42.89 (+0.39s | 0.9%) | Westlake Aquatic Facility | 12/13/2025 | 2025 ST WOW Hot Chocolate Jamboree | |
| 3571 | Dax Nisenbaum | 43.28 | 10 | B Min | BB: 42.89 (+0.39s | 0.9%) | Hills Hurricane Swimming | 07/18/2025 | 2025 Redwood Empire Swim League Championship | |
| 3572 | Lucas Daley | 43.28 | 8 | B Min | BB: 42.89 (+0.39s | 0.9%) | Atlantic Coast Athletic Club | 02/07/2026 | SW District 8 Under Championship | |
| 3573 | Henry Lampley | 43.29 | 9 | B Min | BB: 42.89 (+0.40s | 0.9%) | YMCA of Florida\\\\\\'s First Coast | 10/10/2025 | 2025 October Classic | |
| 3574 | Knox Monsivais | 43.29 | 10 | B Min | BB: 42.89 (+0.40s | 0.9%) | Lehi Aquatics | 02/07/2025 | Legendary Encore 2025 | |
| 3575 | Brody Barton | 43.29 | 10 | B Min | BB: 42.89 (+0.40s | 0.9%) | Tampa Y Swimming | 09/19/2025 | 2025 Stingrays Autumn Splash | |
| 3576 | Owen Large | 43.29 | 10 | B Min | BB: 42.89 (+0.40s | 0.9%) | FireFish Swim Team | 01/10/2026 | 2026 NE KING RI Rhody Nor Eastah | |
| 3577 | Noah Bradford | 43.29 | 9 | B Min | BB: 42.89 (+0.40s | 0.9%) | Shoals Aquatic Club | 02/06/2026 | 2026 SES Region 3 Champions | |
| 3578 | Thomas Box | 43.30 | 9 | B Min | BB: 42.89 (+0.41s | 0.9%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 3579 | Zane Seifel | 43.30 | 10 | B Min | BB: 42.89 (+0.41s | 0.9%) | Treasure Coast Aquatics | 12/04/2025 | RAFC Winter Classic | |
| 3580 | Liam Cox | 43.30 | 10 | B Min | BB: 42.89 (+0.41s | 0.9%) | Blazing Barracudas | 02/19/2026 | 2026 OH Cleveland SC Regional Championships | |
| 3581 | Nolan Cook | 43.30 | 9 | B Min | BB: 42.89 (+0.41s | 0.9%) | The Capitol Sea Devils | 02/13/2026 | 39th Black History Swim Meet | |
| 3582 | Crosby Kothe | 43.30 | 10 | B Min | BB: 42.89 (+0.41s | 0.9%) | Mecklenburg Swim Association | 12/12/2025 | 2025 NC QCD Holiday Invite | |
| 3583 | Oliver Korrow | 43.30 | 10 | B Min | BB: 42.89 (+0.41s | 0.9%) | Connetquot Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 3584 | Tucker Cassidy | 43.31 | 10 | B Min | BB: 42.89 (+0.42s | 1.0%) | Chesaning Coho Swim Club | 02/15/2026 | 2026 MTSL Championship | |
| 3585 | Wyatt Whitt | 43.31 | 9 | B Min | BB: 42.89 (+0.42s | 1.0%) | Quest Swimming | 09/19/2025 | Quest Swimming Kickoff Intrasquad | |
| 3586 | Michael Bevziuc | 43.31 | 9 | B Min | BB: 42.89 (+0.42s | 1.0%) | Prince William Swim Club | 01/17/2026 | 2026 Duck Bowl | |
| 3587 | Nevan Souffront | 43.31 | 10 | B Min | BB: 42.89 (+0.42s | 1.0%) | Clearwater Aquatic Team | 11/21/2025 | 2025 RAFC Almost Turkey Invitational | |
| 3588 | Anderson Yu | 43.31 | 10 | B Min | BB: 42.89 (+0.42s | 1.0%) | Crimson Aquatics | 01/30/2026 | 2026 NE CS Silver Championships | |
| 3589 | Keayan Liang | 43.31 | 9 | B Min | BB: 42.89 (+0.42s | 1.0%) | Quince Orchard Swim Academy | 11/14/2025 | 2025PV November Open Fairland | |
| 3590 | Juwon Baek | 43.31 | 9 | B Min | BB: 42.89 (+0.42s | 1.0%) | Condors Swim Club | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 3591 | Charles Myers | 43.32 | 10 | B Min | BB: 42.89 (+0.43s | 1.0%) | Ensworth Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 3592 | Harrison Tian | 43.32 | 9 | B Min | BB: 42.89 (+0.43s | 1.0%) | San Ramon Valley Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 3593 | Emmett Nguyen | 43.32 | 10 | B Min | BB: 42.89 (+0.43s | 1.0%) | York Swim Club of Northern Vir | 03/20/2026 | March Madness 2026 | |
| 3594 | Olivier Vasil | 43.32 | 9 | B Min | BB: 42.89 (+0.43s | 1.0%) | Westchester Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 3595 | Benjamin Yaghoubzade | 43.32 | 9 | B Min | BB: 42.89 (+0.43s | 1.0%) | Los Altos Mountain View Aquati | 03/28/2026 | LAMV C B A+ Meet | |
| 3596 | Cullen Conroy | 43.33 | 10 | B Min | BB: 42.89 (+0.44s | 1.0%) | Y in Central Maryland Blue Cra | 12/05/2025 | 2025 Christmas Championships | |
| 3597 | Nicholas Bobo | 43.33 | 10 | B Min | BB: 42.89 (+0.44s | 1.0%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 3598 | Levi Filip | 43.33 | 9 | B Min | BB: 42.89 (+0.44s | 1.0%) | Saline Swim Team | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 3599 | Phinnaeus Johnson | 43.33 | 10 | B Min | BB: 42.89 (+0.44s | 1.0%) | Gilroy Gators Swim Team | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 3600 | Evan Willis | 43.33 | 10 | B Min | BB: 42.89 (+0.44s | 1.0%) | Madison Swimming Association | 10/17/2025 | 2025 HSA Fran Norris 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.