USA Boys 10 & under - 50 M Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1401 | Liam Lawson | 43.49 | 10 | B Min | BB: 39.79 (+3.70s | 8.5%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 1402 | Jeffrey Lou | 43.49 | 9 | B Min | BB: 39.79 (+3.70s | 8.5%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 1403 | Jayden Chen | 43.51 | 10 | B Min | BB: 39.79 (+3.72s | 8.5%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 1404 | Declan Davis | 43.51 | 10 | B Min | BB: 39.79 (+3.72s | 8.5%) | Rogue Rapids | 06/27/2025 | TEAM Summer Invitational | |
| 1405 | Jayden Liu | 43.53 | 10 | B Min | BB: 39.79 (+3.74s | 8.6%) | Circle C Select Swim Team | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1406 | Vivaan Agarwal | 43.54 | 9 | B Min | BB: 39.79 (+3.75s | 8.6%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1407 | Kosta Petrosian | 43.54 | 9 | B Min | BB: 39.79 (+3.75s | 8.6%) | Academy Swim Club | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 1408 | Seth Nareedokmai | 43.56 | 8 | B Min | BB: 39.79 (+3.77s | 8.7%) | Jcc Sailfish | 06/12/2025 | Holtrey Summer Classic | |
| 1409 | Revan Love | 43.56 | 9 | B Min | BB: 39.79 (+3.77s | 8.7%) | Northside Aquatics | 05/06/2026 | 2026 ST NIST May Race Night | |
| 1410 | Luca Ferraz de Toledo | 43.57 | 6 | B Min | BB: 39.79 (+3.78s | 8.7%) | South East Metro Sharks | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 1411 | Landon Noble | 43.58 | 9 | B Min | BB: 39.79 (+3.79s | 8.7%) | Highlands Ranch Aquatics | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 1412 | Jude Foote | 43.59 | 9 | B Min | BB: 39.79 (+3.80s | 8.7%) | Hilltop Aquatic Swim Team | 06/21/2025 | 2025 UT HAST RWB BC Medals Meet | |
| 1413 | Samuel Ewing | 43.59 | 10 | B Min | BB: 39.79 (+3.80s | 8.7%) | Team Vortex | 05/02/2026 | 2026 CO Longmont IMR IMX Adrenaline Gauntlet | |
| 1414 | Miles Blee | 43.59 | 9 | B Min | BB: 39.79 (+3.80s | 8.7%) | Coeur D\\\\\\'alene Area Swim Team | 04/17/2026 | 2026 Shark Attack Copied | |
| 1415 | David Renko | 43.60 | 9 | B Min | BB: 39.79 (+3.81s | 8.7%) | Wasatch Front Fish Market | 06/06/2025 | Speed Lake City 2025 | |
| 1416 | Theodore Vose | 43.61 | 8 | B Min | BB: 39.79 (+3.82s | 8.8%) | Aquajets Swim Team | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 1417 | Samuel Wacek | 43.62 | 10 | B Min | BB: 39.79 (+3.83s | 8.8%) | Alexandria Swim Club | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | |
| 1418 | Mason Feuling | 43.62 | 8 | B Min | BB: 39.79 (+3.83s | 8.8%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1419 | Silas Roland | 43.63 | 9 | B Min | BB: 39.79 (+3.84s | 8.8%) | Univ. of Denver Hilltoppers | 05/17/2025 | 2025 CO Hilltopper Invite | |
| 1420 | Jimmy Fang | 43.63 | 10 | B Min | BB: 39.79 (+3.84s | 8.8%) | Nitro Swimming | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 1421 | Lucas Wang | 43.64 | 10 | B Min | BB: 39.79 (+3.85s | 8.8%) | Chinook Aquatic Club | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1422 | Taenam Oh jr | 43.66 | 8 | B Min | BB: 39.79 (+3.87s | 8.9%) | Bolles School Sharks | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 1423 | Jude Pieper | 43.66 | 10 | B Min | BB: 39.79 (+3.87s | 8.9%) | Cysc Riptide | 02/01/2026 | 2026 MW App HG Scott Usher Pentathlon | |
| 1424 | Cyrus Yang | 43.68 | 10 | B Min | BB: 39.79 (+3.89s | 8.9%) | Quicksilver Swimming | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | |
| 1425 | Leonel Jimenez Martinez | 43.68 | 10 | B Min | BB: 39.79 (+3.89s | 8.9%) | Dorados | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 1426 | Felipe Costa | 43.68 | 10 | B Min | BB: 39.79 (+3.89s | 8.9%) | YMCA of Central Florida | 04/11/2026 | 2026 Ron Nardozzi Pre Derby Sprint Invite C | |
| 1427 | Jameson Kohen | 43.68 | 9 | B Min | BB: 39.79 (+3.89s | 8.9%) | South East Metro Sharks | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 1428 | Arad Bokanian | 43.69 | 10 | B Min | BB: 39.79 (+3.90s | 8.9%) | Life Time Swim Team - Central | 05/01/2026 | 2026 ST HCA Long Course Invitational | |
| 1429 | Andrew Knol | 43.69 | 10 | B Min | BB: 39.79 (+3.90s | 8.9%) | Pacific Swim | 04/25/2025 | 2025 SI Pacific Swim A BB LCM Group A | |
| 1430 | Russell Sanosi | 43.70 | 10 | B Min | BB: 39.79 (+3.91s | 8.9%) | Tide Swimming | 06/07/2024 | 2024 TIDE Swimming Schools Out Classic | |
| 1431 | Timur Shafigulin | 43.70 | 10 | B Min | BB: 39.79 (+3.91s | 8.9%) | Wave Aquatics | 05/02/2025 | 2025 PN BC May Flowers | |
| 1432 | Mark Liesmanas | 43.70 | 8 | B Min | BB: 39.79 (+3.91s | 8.9%) | Planet Swim Aquatics | 05/16/2026 | 2026 PSA May Invite | |
| 1433 | Alexander Brylski | 43.71 | 10 | B Min | BB: 39.79 (+3.92s | 9.0%) | Unattached | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 1434 | Damon Shao | 43.73 | 9 | B Min | BB: 39.79 (+3.94s | 9.0%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 1435 | Zakhar Breslavskyi | 43.74 | 9 | B Min | BB: 39.79 (+3.95s | 9.0%) | Boise YMCA Swim Team | 07/18/2025 | 2025 LCM Summer Championships | |
| 1436 | Evan Lemus | 43.76 | 10 | B: 37.39 (+6.37s | 14.6%) | South Florida Aquatic Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | ||
| 1437 | James Parrish | 43.76 | 10 | B Min | BB: 39.79 (+3.97s | 9.1%) | Southwest Stars Swim Club | 05/16/2025 | 2025 PA Long Course Invite | |
| 1438 | Victor Mann | 43.78 | 10 | B Min | BB: 39.79 (+3.99s | 9.1%) | Pine Crest Swim Team | 04/18/2026 | SCS Under The Sun Invitational | |
| 1439 | Harlan Folk | 43.78 | 10 | B Min | BB: 39.79 (+3.99s | 9.1%) | Aquajets Swim Team | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 1440 | Colson Hosford | 43.79 | 10 | B Min | BB: 39.79 (+4.00s | 9.1%) | Area Tallahassee Aquatic Club | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 1441 | Udhiyan Gokulakrishnan | 43.81 | 8 | B Min | BB: 39.79 (+4.02s | 9.2%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | |
| 1442 | Ammar Lone | 43.81 | 10 | B Min | BB: 39.79 (+4.02s | 9.2%) | Blue Dolfins | 05/15/2026 | 2026 PA Long Course Invite | |
| 1443 | Vincent Fang | 43.81 | 9 | B Min | BB: 39.79 (+4.02s | 9.2%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1444 | Chior Prange | 43.82 | 11 | B Min | BB: 39.79 (+4.03s | 9.2%) | Bishop Swim Team | 07/12/2025 | 2025 Silver State Championships | |
| 1445 | Amir Arfaoui | 43.83 | 9 | B Min | BB: 39.79 (+4.04s | 9.2%) | Sarasota Sharks | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 1446 | Wilson Crawford | 43.84 | 9 | B Min | BB: 39.79 (+4.05s | 9.2%) | Makos Aquatics Club of Gainesv | 05/15/2026 | 2026 FAST May Invite | |
| 1447 | Everett Keyler | 43.85 | 9 | B Min | BB: 39.79 (+4.06s | 9.3%) | Wright County Wave Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 1448 | Ethan Li | 43.85 | 8 | B Min | BB: 39.79 (+4.06s | 9.3%) | Pacific Dragons Swim Team | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 1449 | Harlan Ris | 43.85 | 10 | B Min | BB: 39.79 (+4.06s | 9.3%) | Saint Petersburg Aquatics | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | |
| 1450 | Kiran Gadd | 43.88 | 10 | B Min | BB: 39.79 (+4.09s | 9.3%) | Planet Swim Aquatics | 05/16/2026 | 2026 PSA May Invite | |
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.