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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1451 | Jimmy Chen | 45.25 | 9 | BB Min | A: 42.09 (+3.16s | 7.0%) | Monterey Park Manta Rays | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1452 | Francis Lou | 45.26 | 10 | BB Min | A: 42.09 (+3.17s | 7.0%) | Bay Club Aquatics | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 1453 | Baxter Shimooka | 45.26 | 10 | BB Min | A: 42.09 (+3.17s | 7.0%) | Machine Aquatics | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1454 | Nicholas Medina | 45.26 | 9 | BB Min | A: 42.09 (+3.17s | 7.0%) | Laker Swim | 10/18/2025 | 2025 SLAC IMX Challenge Invitational | |
| 1455 | Leonardo Suarez Cabrera | 45.27 | 10 | BB Min | A: 42.09 (+3.18s | 7.0%) | South Florida Aquatic Club | 12/05/2025 | 2025 FG Holiday Champ | |
| 1456 | Ryan Kummer | 45.27 | 10 | BB Min | A: 42.09 (+3.18s | 7.0%) | Aquatic Team Of Mecklenburg | 12/05/2025 | 2025 NC SwimMAC December Invite | |
| 1457 | William Yao | 45.27 | 9 | BB Min | A: 42.09 (+3.18s | 7.0%) | Fontana Aquatics Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1458 | Jigdel Wangchuk | 45.28 | 9 | BB Min | A: 42.09 (+3.19s | 7.0%) | Twisters Swim Club | 10/25/2025 | 2025 MR LIAC Chappy S Invitational | |
| 1459 | Seth Snyder | 45.28 | 10 | BB Min | A: 42.09 (+3.19s | 7.0%) | Lynchburg YMCA Swim Team | 01/02/2026 | 2026 LY Winter Invitational | |
| 1460 | Nathaniel Adom-Oppong | 45.29 | 10 | BB Min | A: 42.09 (+3.20s | 7.1%) | Stingrays Swim Team | 10/18/2025 | 2025 RAYS Great Pumpkin Splash Invitational | |
| 1461 | Baiden Vu | 45.29 | 10 | BB Min | A: 42.09 (+3.20s | 7.1%) | Fairfax Foxes Swimming | 01/10/2026 | 2026 RAYS Jeff Rouse Invitational | |
| 1462 | William Anderson | 45.30 | 10 | BB Min | A: 42.09 (+3.21s | 7.1%) | Atlantis Aquatics | 01/30/2026 | 2026 NE UVAC Silvers | |
| 1463 | Theodore Chan | 45.30 | 9 | BB Min | A: 42.09 (+3.21s | 7.1%) | Long Island Express | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 1464 | Derek Suarez | 45.30 | 10 | BB Min | A: 42.09 (+3.21s | 7.1%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 1465 | Ryan Thuer | 45.31 | 10 | BB Min | A: 42.09 (+3.22s | 7.1%) | Jersey Wahoos | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1466 | Mike Semenov | 45.31 | 10 | BB Min | A: 42.09 (+3.22s | 7.1%) | Beach Cities Alpha | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1467 | Elliott Lindley | 45.33 | 9 | BB Min | A: 42.09 (+3.24s | 7.1%) | Los Altos Mountain View Aquati | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 1468 | George Howe | 45.35 | 9 | BB Min | A: 42.09 (+3.26s | 7.2%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 1469 | Elias Morgan | 45.36 | 9 | BB Min | A: 42.09 (+3.27s | 7.2%) | Huntsville Swim Association | 09/20/2025 | 2025 Ricky Hui Intrasquad Meet | |
| 1470 | Blake Berger | 45.36 | 9 | BB Min | A: 42.09 (+3.27s | 7.2%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 1471 | Dylan Bachmann | 45.36 | 10 | BB Min | A: 42.09 (+3.27s | 7.2%) | Oly Swimming | 02/06/2026 | 2026 Michigan Open | |
| 1472 | Ari Mobasseri | 45.36 | 8 | BB Min | A: 42.09 (+3.27s | 7.2%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1473 | Henry Armenti | 45.36 | 10 | BB Min | A: 42.09 (+3.27s | 7.2%) | Riptide Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 1474 | Alexander Mekjian | 45.37 | 10 | BB Min | A: 42.09 (+3.28s | 7.2%) | North Coast Aquatics | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 1475 | Kyrie Song | 45.37 | 9 | BB Min | A: 42.09 (+3.28s | 7.2%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 1476 | Jiho Won | 45.37 | 9 | BB Min | A: 42.09 (+3.28s | 7.2%) | Opelika Swim Team | 12/05/2025 | 2025 SE Christmas In Auburn | |
| 1477 | Jayke Hung | 45.37 | 9 | BB Min | A: 42.09 (+3.28s | 7.2%) | Bellevue Club Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 1478 | Bennett Meusel | 45.38 | 9 | BB Min | A: 42.09 (+3.29s | 7.2%) | South East Metro Sharks | 01/25/2026 | 2026 MN HURR January Invitational | |
| 1479 | Udhiyan Gokulakrishnan | 45.39 | 8 | BB Min | A: 42.09 (+3.30s | 7.3%) | EL Paso Border Land Swim Team | 01/23/2026 | 2026 BD JCAT IMX 2026 | |
| 1480 | Ari Vora | 45.40 | 10 | BB Min | A: 42.09 (+3.31s | 7.3%) | All Star Aquatics | 12/05/2025 | 2025 Christmas Championships | |
| 1481 | Eddie Bi | 45.40 | 9 | BB Min | A: 42.09 (+3.31s | 7.3%) | California Dolphins Swim Team | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | |
| 1482 | Nicholas Selvaggi | 45.40 | 9 | BB Min | A: 42.09 (+3.31s | 7.3%) | Fox Swim Club | 01/18/2026 | 2026 Fox Winter Invitational Meet | |
| 1483 | Garrett Soper | 45.40 | 9 | BB Min | A: 42.09 (+3.31s | 7.3%) | Loyola Blakefield Aquatics | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 1484 | Max Fan | 45.41 | 8 | BB Min | A: 42.09 (+3.32s | 7.3%) | Asphalt Green Unified Aquatics | 11/07/2025 | 2025 MR LIE Fall Classic Invitational | |
| 1485 | Ethan Su | 45.41 | 10 | BB Min | A: 42.09 (+3.32s | 7.3%) | Belmont Aquatic Team | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1486 | Tristan Tellez | 45.41 | 9 | BB Min | A: 42.09 (+3.32s | 7.3%) | Rattlers Swim Club | 01/23/2026 | 2026 BD JCAT IMX 2026 | |
| 1487 | Jason Acevedo | 45.41 | 10 | BB Min | A: 42.09 (+3.32s | 7.3%) | Long Island Aquatic Club | 10/25/2025 | 2025 MR LIAC Chappy S Invitational | |
| 1488 | Kaiden Iino | 45.42 | 10 | BB Min | A: 42.09 (+3.33s | 7.3%) | South Florida Aquatic Club | 12/05/2025 | 2025 FG Holiday Champ | |
| 1489 | Jaxon Despain | 45.42 | 8 | BB Min | A: 42.09 (+3.33s | 7.3%) | Denver Swim Academy | 02/28/2025 | 2025 CO CSI 14 U Age Group Championships | |
| 1490 | Spencer Frickson | 45.43 | 9 | BB Min | A: 42.09 (+3.34s | 7.4%) | Mako Aquatics | 10/10/2025 | 2025 MN RSC Fall Frenzy | |
| 1491 | Milo Gurkan | 45.43 | 10 | BB Min | A: 42.09 (+3.34s | 7.4%) | Seals Aquatics | 09/27/2025 | Neptune Swimming Fall Classic | |
| 1492 | Elliott Horng | 45.43 | 9 | BB Min | A: 42.09 (+3.34s | 7.4%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 1493 | Cyrill Reppen | 45.44 | 10 | BB Min | A: 42.09 (+3.35s | 7.4%) | American Renaissance Academy | 11/15/2025 | SKA Home Meet 111525 | |
| 1494 | Everett Jo | 45.44 | 9 | BB Min | A: 42.09 (+3.35s | 7.4%) | North State Narwhals | 11/22/2025 | Thankswimming Classic 2025 | |
| 1495 | Bar Eibschutz | 45.45 | 10 | BB Min | A: 42.09 (+3.36s | 7.4%) | Los Altos Mountain View Aquati | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 1496 | Kai Hawkes | 45.45 | 10 | BB Min | A: 42.09 (+3.36s | 7.4%) | Multnomah Athletic Club | 12/05/2025 | 2025 Tualatin Hills Holiday Classic | |
| 1497 | James Davidson | 45.46 | 10 | BB Min | A: 42.09 (+3.37s | 7.4%) | Denver Swim Academy | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 1498 | Aidan Stringer | 45.46 | 10 | BB Min | A: 42.09 (+3.37s | 7.4%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 1499 | Lichen Chi | 45.47 | 8 | BB Min | A: 42.09 (+3.38s | 7.4%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 1500 | Max Muse | 45.47 | 8 | BB Min | A: 42.09 (+3.38s | 7.4%) | Unattached | 02/06/2026 | 2026 SES Region 3 Champions | |
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.