USA Boys 10 & under - 50 M 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 | Michael O'Connell | 55.14 | 10 | B Min | BB: 54.39 (+0.75s | 1.4%) | Riptide Swim Team | 07/17/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 1452 | Grigorii Vasilenko | 55.14 | 9 | B Min | BB: 54.39 (+0.75s | 1.4%) | Legacy Aquatics | 06/26/2026 | 2026 TEAM Summer Invitational | |
| 1453 | Colin Sheehy | 55.15 | 10 | B Min | BB: 54.39 (+0.76s | 1.4%) | Houston Hydra | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 1454 | Thomas Salvitti | 55.15 | 9 | B Min | BB: 54.39 (+0.76s | 1.4%) | Raleigh Swimming Association | 04/24/2026 | 2026 RSA Warm Up To LC Copied Copied | |
| 1455 | Liam Thibault | 55.15 | 10 | B Min | BB: 54.39 (+0.76s | 1.4%) | Houston Hydra | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 1456 | Aleksander Zuev | 55.15 | 10 | B Min | BB: 54.39 (+0.76s | 1.4%) | Foothills Swim Team | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 1457 | Rylan Brill | 55.15 | 10 | B Min | BB: 54.39 (+0.76s | 1.4%) | Colorado Stingrays Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 1458 | Hummer Wang | 55.15 | 9 | B Min | BB: 54.39 (+0.76s | 1.4%) | Metro Area Life Time | 06/20/2026 | 2026 Hot Summer Nights | |
| 1459 | Colin Joyce | 55.16 | 9 | B Min | BB: 54.39 (+0.77s | 1.4%) | Nova of Virginia | 04/17/2026 | NOVA Long Course Kick Off | |
| 1460 | Zander Flores | 55.16 | 8 | B Min | BB: 54.39 (+0.77s | 1.4%) | Alameda Gators | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 1461 | Benjamin Cook | 55.17 | 9 | B Min | BB: 54.39 (+0.78s | 1.4%) | Firefish Aquatics | 06/19/2026 | 2026 Firefish June Jam | |
| 1462 | Aaron Patel | 55.17 | 10 | B Min | BB: 54.39 (+0.78s | 1.4%) | Peddie Aquatic Association | 05/02/2026 | 2026 STAC Thank You Mom | |
| 1463 | Grant Bradbury | 55.18 | 8 | B Min | BB: 54.39 (+0.79s | 1.4%) | SwimRVA | 05/29/2026 | 2026 SwimRVA Success Bell | |
| 1464 | Andy Yu | 55.18 | 10 | B Min | BB: 54.39 (+0.79s | 1.4%) | Burlingame Aquatics | 06/12/2026 | BAC Long Course | |
| 1465 | Terence Wu | 55.19 | 9 | B Min | BB: 54.39 (+0.80s | 1.4%) | Bellevue Club Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | |
| 1466 | Alexander Zhang | 55.20 | 9 | B Min | BB: 54.39 (+0.81s | 1.5%) | Alamo Area Aquatic Association | 06/20/2025 | 2025 ST AAAA NS George Block Invite | |
| 1467 | Weibo Gao | 55.21 | 10 | B Min | BB: 54.39 (+0.82s | 1.5%) | Pacific Dragons Swim Team | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 1468 | Henry Croke | 55.23 | 10 | B Min | BB: 54.39 (+0.84s | 1.5%) | Springfield YMCA Swim Team | 04/17/2026 | 2026 METS Long Course Kickoff | |
| 1469 | Roch Robinson | 55.24 | 8 | B Min | BB: 54.39 (+0.85s | 1.5%) | Nation\\\\\\'s Capital Swim Club | 05/01/2026 | Speedo Spring Splash | |
| 1470 | Hudson McGregor | 55.24 | 9 | B Min | BB: 54.39 (+0.85s | 1.5%) | Pacific Coast Swimming | 07/10/2026 | 2026 Sizzlin Summer Splash Copied | |
| 1471 | Gevon Moss | 55.25 | 7 | B Min | BB: 54.39 (+0.86s | 1.6%) | Blue Waves Swim Club | 04/11/2026 | 2026 Fox April Long Course Invitational | |
| 1472 | Alexander Cowan | 55.25 | 10 | B Min | BB: 54.39 (+0.86s | 1.6%) | Summit Area YMCA | 05/09/2026 | 2026 CAT May The Splash Be With You | |
| 1473 | Aiden Xu | 55.25 | 9 | B Min | BB: 54.39 (+0.86s | 1.6%) | Northern Nevada Aquatics | 07/10/2026 | 2026 NNA Silver State Championships | |
| 1474 | Kieran McLennan | 55.25 | 9 | B Min | BB: 54.39 (+0.86s | 1.6%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1475 | Hohyeon Cho | 55.26 | 10 | B Min | BB: 54.39 (+0.87s | 1.6%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 1476 | Thomas Louzao | 55.26 | 9 | B Min | BB: 54.39 (+0.87s | 1.6%) | Asphalt Green Unified Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 1477 | Aiden Bajracharya | 55.26 | 9 | B Min | BB: 54.39 (+0.87s | 1.6%) | Tac Titans | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 1478 | Adam Wanichek | 55.26 | 10 | B Min | BB: 54.39 (+0.87s | 1.6%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 1479 | Lucas Yuan | 55.27 | 7 | B Min | BB: 54.39 (+0.88s | 1.6%) | Mei\\\\\\'s Typhoons Swimming Club | 07/31/2026 | 2026 NE NSSC New England Summer Championship | |
| 1480 | Benjamin Foster | 55.27 | 9 | B Min | BB: 54.39 (+0.88s | 1.6%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | |
| 1481 | Jason Ma | 55.27 | 10 | B Min | BB: 54.39 (+0.88s | 1.6%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 1482 | Gibson Haynes | 55.28 | 10 | B Min | BB: 54.39 (+0.89s | 1.6%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | |
| 1483 | Ryan Wang | 55.29 | 9 | B Min | BB: 54.39 (+0.90s | 1.6%) | Arctic Aquatics | 06/26/2026 | 2026 NE MST ESC June Memorial | |
| 1484 | Oliver Rasmussen | 55.29 | 9 | B Min | BB: 54.39 (+0.90s | 1.6%) | Chamberlain Swim Team | 07/17/2026 | 2026 SD Long Course Rising Stars Swim Meet | |
| 1485 | Coleton Prillaman | 55.30 | 9 | B Min | BB: 54.39 (+0.91s | 1.6%) | Poseidon Swimming Inc | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 1486 | Andrew Kaplan | 55.30 | 9 | B Min | BB: 54.39 (+0.91s | 1.6%) | SwimRise Aquatics | 06/26/2026 | 2026 SwimRise Season Finale | |
| 1487 | Adam Yeh | 55.31 | 8 | B Min | BB: 54.39 (+0.92s | 1.7%) | YMCA of the Triangle Area Swim | 04/24/2026 | 2026 RSA Warm Up To LC Copied Copied | |
| 1488 | Diego Aguirre | 55.32 | 10 | B Min | BB: 54.39 (+0.93s | 1.7%) | El Paso Aqua Posse | 06/26/2026 | 2026 BD EPAP Jack White Memorial Classic | |
| 1489 | Maxen Cao | 55.32 | 10 | B Min | BB: 54.39 (+0.93s | 1.7%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1490 | Kieran Heidtman | 55.33 | 9 | B Min | BB: 54.39 (+0.94s | 1.7%) | Helios | 05/08/2026 | 2026 Cyrus Blakney Memorial A May Zing Meet | |
| 1491 | Charlie Wheeler | 55.33 | 10 | B Min | BB: 54.39 (+0.94s | 1.7%) | Longmont Swim Club | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 1492 | Benjamin Segear | 55.34 | 10 | B Min | BB: 54.39 (+0.95s | 1.7%) | Fox Swim Club | 04/11/2026 | 2026 Fox April Long Course Invitational | |
| 1493 | Eli Shin | 55.34 | 9 | B Min | BB: 54.39 (+0.95s | 1.7%) | Stingray Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 1494 | Ezekiel Cardenas | 55.34 | 9 | B Min | BB: 54.39 (+0.95s | 1.7%) | EL Paso Border Land Swim Team | 07/23/2026 | 2026 BD Long Course Championship | |
| 1495 | Lionel Sudduth | 55.35 | 9 | B Min | BB: 54.39 (+0.96s | 1.7%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 1496 | Jay Chao | 55.36 | 10 | B Min | BB: 54.39 (+0.97s | 1.8%) | Pleasanton Seahawks | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 1497 | Lane Markham | 55.37 | 10 | B Min | BB: 54.39 (+0.98s | 1.8%) | Minnetonka Swim Club | 06/27/2026 | 2026 STAR Summer Splash Invite | |
| 1498 | Sebastien Prigent-Soong | 55.38 | 10 | B Min | BB: 54.39 (+0.99s | 1.8%) | Warrior Aquatic Club | 06/27/2026 | BIG ISLAND SWIMMING @ KSH | |
| 1499 | Lucas Tang | 55.39 | 10 | B Min | BB: 54.39 (+1.00s | 1.8%) | Alamo Area Aquatic Association | 05/07/2025 | 2025 ST AAAA NS May Race Night | |
| 1500 | Leonardo Torres Huchin | 55.40 | 9 | B Min | BB: 54.39 (+1.01s | 1.8%) | Colts | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
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.