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 | Henry Sundberg | 45.08 | 8 | BB Min | A: 42.09 (+2.99s | 6.6%) | Univ. of Denver Hilltoppers | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 1452 | Aaron Rich | 45.08 | 10 | BB Min | A: 42.09 (+2.99s | 6.6%) | Kingfish Swimming Medfield | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 1453 | Quinlan Doyle | 45.08 | 10 | BB Min | A: 42.09 (+2.99s | 6.6%) | Commonwealth Swimming | 03/13/2026 | 2026 Shawmut NE Cup Championship | |
| 1454 | Leo Zhang | 45.08 | 10 | BB Min | A: 42.09 (+2.99s | 6.6%) | Bayside Branch YMCA | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 1455 | Julian Chan | 45.09 | 10 | BB Min | A: 42.09 (+3.00s | 6.7%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 1456 | Dolan Carroll | 45.09 | 10 | BB Min | A: 42.09 (+3.00s | 6.7%) | Cincinnati Marlins | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1457 | Eric Ruan | 45.10 | 9 | BB Min | A: 42.09 (+3.01s | 6.7%) | South East Metro Sharks | 01/25/2026 | 2026 MN HURR January Invitational | |
| 1458 | Oliver Mearns | 45.10 | 10 | BB Min | A: 42.09 (+3.01s | 6.7%) | Greensboro Community YMCA | 01/23/2026 | GCY Winter Meet 2026 | |
| 1459 | Logan Violette | 45.11 | 10 | BB Min | A: 42.09 (+3.02s | 6.7%) | Columbia River Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1460 | Steven Kimeu | 45.11 | 10 | BB Min | A: 42.09 (+3.02s | 6.7%) | Rochester Swim Club | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 1461 | Christopher Porembka | 45.11 | 10 | BB Min | A: 42.09 (+3.02s | 6.7%) | Fast Fins Elite | 10/19/2024 | 2024 LSST October Open Meet | |
| 1462 | Caeden DaSalla | 45.11 | 10 | BB Min | A: 42.09 (+3.02s | 6.7%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1463 | Sebastian Schnabl | 45.12 | 9 | BB Min | A: 42.09 (+3.03s | 6.7%) | Asphalt Green Unified Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1464 | Ryan Hartmann | 45.13 | 9 | BB Min | A: 42.09 (+3.04s | 6.7%) | Lakewood Ranch Swim Associatio | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 1465 | Ching-Hung Chou | 45.13 | 10 | BB Min | A: 42.09 (+3.04s | 6.7%) | Bulldog Aquatic Club | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 1466 | Carson Logar | 45.13 | 9 | BB Min | A: 42.09 (+3.04s | 6.7%) | Mecklenburg Swim Association | 03/20/2026 | 2026 STAR Tar Heel States | |
| 1467 | Charles Knigge | 45.13 | 10 | BB Min | A: 42.09 (+3.04s | 6.7%) | Spokane Waves Aquatic Team | 02/13/2026 | (Pullman) 2026 IES Jr Champs | |
| 1468 | Kai Jyawook | 45.13 | 10 | BB Min | A: 42.09 (+3.04s | 6.7%) | H2okie Aquatics | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 1469 | Joseph Lin | 45.14 | 10 | BB Min | A: 42.09 (+3.05s | 6.8%) | Madison Swimming Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 1470 | Tristan Au | 45.15 | 9 | BB Min | A: 42.09 (+3.06s | 6.8%) | Mason Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1471 | Kai Mui | 45.15 | 10 | BB Min | A: 42.09 (+3.06s | 6.8%) | Rec-Plex Sharks | 02/27/2026 | Ozark Division I Championship | |
| 1472 | Charles Doran | 45.15 | 10 | BB Min | A: 42.09 (+3.06s | 6.8%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 1473 | Ishaan Malik | 45.15 | 9 | BB Min | A: 42.09 (+3.06s | 6.8%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 1474 | Lucas Romero | 45.16 | 8 | BB Min | A: 42.09 (+3.07s | 6.8%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1475 | Oliver Gist-Pitts | 45.16 | 10 | BB Min | A: 42.09 (+3.07s | 6.8%) | Boulder Swim Team | 03/14/2025 | 2025 CO NJ Mile High Championships | |
| 1476 | Lukas Fort | 45.16 | 8 | BB Min | A: 42.09 (+3.07s | 6.8%) | Bainbridge Island Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 1477 | Cole Proescher | 45.16 | 9 | BB Min | A: 42.09 (+3.07s | 6.8%) | Orinda Aquatics | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 1478 | Castle Cline | 45.18 | 10 | BB Min | A: 42.09 (+3.09s | 6.8%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 1479 | Matt Borremans | 45.18 | 9 | BB Min | A: 42.09 (+3.09s | 6.8%) | YMCA of South Florida | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 1480 | Daniel Reschke | 45.18 | 10 | BB Min | A: 42.09 (+3.09s | 6.8%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1481 | Leif Borg | 45.19 | 10 | BB Min | A: 42.09 (+3.10s | 6.9%) | Hillsboro Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 1482 | Alfred Jaeger | 45.19 | 10 | BB Min | A: 42.09 (+3.10s | 6.9%) | Quest Swimming | 12/05/2025 | NOVA December Dip | |
| 1483 | James Angelos | 45.20 | 10 | BB Min | A: 42.09 (+3.11s | 6.9%) | Eagle Swimming Association | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 1484 | Beck Merkle | 45.20 | 10 | BB Min | A: 42.09 (+3.11s | 6.9%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 1485 | Yeim Jung | 45.20 | 10 | BB Min | A: 42.09 (+3.11s | 6.9%) | Wave Aquatics | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 1486 | Seth Snyder | 45.20 | 10 | BB Min | A: 42.09 (+3.11s | 6.9%) | Lynchburg YMCA Swim Team | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1487 | Levi Burrows | 45.21 | 10 | BB Min | A: 42.09 (+3.12s | 6.9%) | St Croix Swim Club | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 1488 | Oscar Wallace | 45.21 | 10 | BB Min | A: 42.09 (+3.12s | 6.9%) | Parkway-Rockwood Gateway Swim | 02/27/2026 | Ozark Division I Championship | |
| 1489 | Yadier Cruz-Cruz | 45.22 | 9 | BB Min | A: 42.09 (+3.13s | 6.9%) | Mississippi Makos Swim Team | 03/06/2026 | Speedo Southern Premier | |
| 1490 | Owen Melin | 45.22 | 8 | BB Min | A: 42.09 (+3.13s | 6.9%) | Swim Fort Lauderdale | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 1491 | William MacPhail | 45.22 | 9 | BB Min | A: 42.09 (+3.13s | 6.9%) | Edina Swim Club | 12/12/2025 | 2025 MN SCSC Winter Carnival | |
| 1492 | Kayeung Ho | 45.23 | 10 | BB Min | A: 42.09 (+3.14s | 6.9%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1493 | Caleb Erete | 45.23 | 10 | BB Min | A: 42.09 (+3.14s | 6.9%) | Machine Aquatics | 12/20/2025 | 2025 Splash And Dash | |
| 1494 | Matias Venturino | 45.23 | 8 | BB Min | A: 42.09 (+3.14s | 6.9%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 1495 | Lucas Alexander | 45.23 | 10 | BB Min | A: 42.09 (+3.14s | 6.9%) | Battlefield Area Star Swimmers | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 1496 | Greyson Wolfe | 45.23 | 10 | BB Min | A: 42.09 (+3.14s | 6.9%) | Club Husker | 10/25/2025 | 2025 MW LSS Spooky Splash | |
| 1497 | Kirill Kuksyuk | 45.25 | 10 | BB Min | A: 42.09 (+3.16s | 7.0%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 1498 | Tyler Clark | 45.25 | 10 | BB Min | A: 42.09 (+3.16s | 7.0%) | Unattached | 01/09/2026 | 2026 IA Midwest All Stars 09Jan2026 Midwestern | |
| 1499 | 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 | |
| 1500 | Darren Liu | 45.25 | 9 | BB Min | A: 42.09 (+3.16s | 7.0%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
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.