USA Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4451 | Maxwell Kelsey | 52.36 | 9 | B Min | BB: 47.69 (+4.67s | 8.9%) | Almaden Riptide | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 4452 | Nathan Zhang | 52.36 | 10 | B Min | BB: 47.69 (+4.67s | 8.9%) | 92ny Flying Dolphins | 11/01/2025 | 2025 MR TRI Fall SCY Invitational | |
| 4453 | Harris Lai | 52.36 | 9 | B Min | BB: 47.69 (+4.67s | 8.9%) | Qns Aquatic Club | 12/21/2025 | 2025 MR SSC Reindeer Games Invitational | |
| 4454 | William French | 52.37 | 10 | B Min | BB: 47.69 (+4.68s | 8.9%) | Suburban Aquatics | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 4455 | Daniel Sheng | 52.37 | 9 | B Min | BB: 47.69 (+4.68s | 8.9%) | Coronado Swim -team Elite | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | |
| 4456 | Ethan Yarrington | 52.37 | 10 | B Min | BB: 47.69 (+4.68s | 8.9%) | Clover Aquatics | 01/17/2026 | 2026 ST AAAA NS Frostbite | |
| 4457 | Coleton Prillaman | 52.37 | 8 | B Min | BB: 47.69 (+4.68s | 8.9%) | Poseidon Swimming Inc | 11/22/2025 | NOVA Cranberry Contender | |
| 4458 | Aaran Kher | 52.38 | 10 | B Min | BB: 47.69 (+4.69s | 9.0%) | Quince Orchard Swim Academy | 12/20/2025 | 2025 Splash And Dash | |
| 4459 | Conrad Agar | 52.38 | 9 | B Min | BB: 47.69 (+4.69s | 9.0%) | Ensworth Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 4460 | Anderson Wu | 52.38 | 7 | B Min | BB: 47.69 (+4.69s | 9.0%) | Nation\\\\\\'s Capital Swim Club | 10/18/2025 | 2025 NCAP Autumn Kingfish Splash | |
| 4461 | Sunny Zhao | 52.38 | 9 | B Min | BB: 47.69 (+4.69s | 9.0%) | Unattached | 04/11/2025 | 2025 Boys Girls Clubs National Swim Champs | |
| 4462 | Felix Franson | 52.38 | 9 | B Min | BB: 47.69 (+4.69s | 9.0%) | Pikes Peak Athletics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 4463 | Carter Beckman | 52.38 | 10 | B Min | BB: 47.69 (+4.69s | 9.0%) | Swim Neptune | 12/04/2025 | 2025 Holiday Swim Festival | |
| 4464 | Ramsey Lee | 52.39 | 9 | B Min | BB: 47.69 (+4.70s | 9.0%) | Sea Devils | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 4465 | Ernest Cline | 52.39 | 9 | B Min | BB: 47.69 (+4.70s | 9.0%) | Prime Aquatics | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 4466 | Stefan Kapsali | 52.39 | 8 | B Min | BB: 47.69 (+4.70s | 9.0%) | Sporting Jax Aquatic Club | 09/21/2025 | 2025 Planet Swim Season Opener | |
| 4467 | Mac McNabb | 52.39 | 10 | B Min | BB: 47.69 (+4.70s | 9.0%) | Riptide Swim Team | 02/14/2026 | 2026 CO ACES Winter Open | |
| 4468 | Jace Witte | 52.39 | 10 | B Min | BB: 47.69 (+4.70s | 9.0%) | Greater Pensacola Aquatic Club | 11/21/2025 | 2025 GPAC Gravy Bowl Invitational | |
| 4469 | Luke Flaugher | 52.39 | 8 | B Min | BB: 47.69 (+4.70s | 9.0%) | Metro East Titans Swimming | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 4470 | Yiannis Virvilis | 52.39 | 8 | B Min | BB: 47.69 (+4.70s | 9.0%) | Hauppauge Swimming | 02/28/2026 | 2026 MR TVSC St Patrick S Day 8 Under Meet | |
| 4471 | Joohwan Kim | 52.39 | 8 | B Min | BB: 47.69 (+4.70s | 9.0%) | DeAnza Cupertino Aquatics | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 4472 | Henry Fransen Weinberger | 52.40 | 8 | B Min | BB: 47.69 (+4.71s | 9.0%) | Minnetonka Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 4473 | Gunner Gessner | 52.40 | 9 | B Min | BB: 47.69 (+4.71s | 9.0%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 4474 | Chase Blankenhorn | 52.40 | 9 | B Min | BB: 47.69 (+4.71s | 9.0%) | Rima United | 02/28/2026 | 2026 NE NSSC Specialty At BC | |
| 4475 | William Pien | 52.40 | 9 | B Min | BB: 47.69 (+4.71s | 9.0%) | Drop Aquatics | 12/06/2025 | SLA Holiday Blast | |
| 4476 | Elliott Horn | 52.40 | 9 | B Min | BB: 47.69 (+4.71s | 9.0%) | Monocacy Aquatic Club | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 4477 | Oskar Davidsen | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | Asphalt Green Unified Aquatics | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 4478 | Brandon Brooks | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | Olympus Aquatics | 12/18/2025 | 2025 OA IMR II Copied | |
| 4479 | Louie Carricarte | 52.41 | 6 | B Min | BB: 47.69 (+4.72s | 9.0%) | Riviera Prep (Miami) | 10/15/2025 | 2025 South Florida MS Champs USA S OBS | |
| 4480 | Lucas Sussman | 52.41 | 10 | B Min | BB: 47.69 (+4.72s | 9.0%) | Cascade Swim Club | 02/01/2026 | 2026 PN CSC February Mini Meet Approved | |
| 4481 | Logan Ma | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | East Bay Silver Dolphins | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 4482 | Julian Wolf | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | Crimson Aquatics | 03/06/2026 | 2026 NE CRIM March Trials Finals Meet | |
| 4483 | Alexander Evans | 52.41 | 8 | B Min | BB: 47.69 (+4.72s | 9.0%) | Cardinal and Gold Aquatics | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 4484 | Murphy Oneill Butler | 52.41 | 10 | B Min | BB: 47.69 (+4.72s | 9.0%) | Wind N Sea Swim Team | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 4485 | Jack Retzlaff | 52.41 | 8 | B Min | BB: 47.69 (+4.72s | 9.0%) | North Baltimore Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 4486 | Ender Skelton | 52.41 | 10 | B Min | BB: 47.69 (+4.72s | 9.0%) | Potomac Marlins | 03/20/2026 | March Madness 2026 | |
| 4487 | Rhett Szymanski | 52.42 | 10 | B Min | BB: 47.69 (+4.73s | 9.0%) | Cardinal and Gold Aquatics | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 4488 | Andrew Lam | 52.42 | 10 | B Min | BB: 47.69 (+4.73s | 9.0%) | First Colony Swim Team, Inc. | 01/19/2025 | 2025 FCST January Developmental Meet | |
| 4489 | Jeremiah Veloso | 52.42 | 10 | B Min | BB: 47.69 (+4.73s | 9.0%) | Swim Streamline at Northampton | 11/02/2024 | SSAN 2024 Fall Invite | |
| 4490 | Jinwon Lee | 52.42 | 10 | B Min | BB: 47.69 (+4.73s | 9.0%) | Auburn Aquatics | 10/03/2025 | 2025 SE War Eagle Invitational | |
| 4491 | Chinmay Joshi | 52.43 | 9 | B Min | BB: 47.69 (+4.74s | 9.0%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 4492 | Harrison Green | 52.43 | 10 | B Min | BB: 47.69 (+4.74s | 9.0%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 4493 | Adam Azzam | 52.43 | 9 | B Min | BB: 47.69 (+4.74s | 9.0%) | St Croix Swim Club | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 4494 | Giuseppe Costa | 52.43 | 7 | B Min | BB: 47.69 (+4.74s | 9.0%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 4495 | Finn Kelly | 52.43 | 10 | B Min | BB: 47.69 (+4.74s | 9.0%) | Annapolis Swim Club | 11/07/2025 | 2025 Marlins Invitational | |
| 4496 | Evan Brown | 52.43 | 8 | B Min | BB: 47.69 (+4.74s | 9.0%) | One Aquatics | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 4497 | Andrew McDonald | 52.44 | 9 | B Min | BB: 47.69 (+4.75s | 9.1%) | Mecklenburg Swim Association | 11/07/2025 | 2025 EAC Cornucopia Classic | |
| 4498 | John Knudsen | 52.44 | 10 | B Min | BB: 47.69 (+4.75s | 9.1%) | Puget Sound Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 4499 | Grant Soder | 52.44 | 10 | B Min | BB: 47.69 (+4.75s | 9.1%) | Roseburg Y Swim Team | 01/24/2026 | Oregon YMCA Championships 2026 | |
| 4500 | Mateo Lopez | 52.45 | 8 | B Min | BB: 47.69 (+4.76s | 9.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A 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.