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 | |
|---|---|---|---|---|---|---|---|---|---|
| 551 | Muze Teng | 39.35 | 10 | BB Min | A: 35.69 (+3.66s | 9.3%) | Cascadia Swimming | 11/01/2025 | Oregon City Fall Open 2025 | |
| 552 | Calvin Alezeau | 39.35 | 10 | BB Min | A: 35.69 (+3.66s | 9.3%) | Teamgoldusa | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 553 | Castle Cline | 39.36 | 9 | BB Min | A: 35.69 (+3.67s | 9.3%) | Seattle Metropolitan Aquatic C | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 554 | Alexander Dmyterko | 39.38 | 9 | BB Min | A: 35.69 (+3.69s | 9.4%) | Wahoo\\\\\\'s of Wellington | 06/07/2025 | 2025 TCA Aaron Vaughn Memorial | |
| 555 | Amar Alwattar | 39.38 | 9 | BB Min | A: 35.69 (+3.69s | 9.4%) | Montclair Swim Team | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 556 | Oliver Tadday | 39.41 | 10 | BB Min | A: 35.69 (+3.72s | 9.4%) | Gold\\\\\\'s Aquatics Club (Camas) | 11/01/2025 | Oregon City Fall Open 2025 | |
| 557 | Lawson Kroon | 39.41 | 8 | BB Min | A: 35.69 (+3.72s | 9.4%) | Pierre Swim Team | 07/18/2025 | 2025 SD State Long Course Meet | |
| 558 | Jasper Corrigan | 39.41 | 8 | BB Min | A: 35.69 (+3.72s | 9.4%) | Occoquan Swimming | 08/06/2025 | 2025 Summer Elite Showcase | |
| 559 | Everett Philipps | 39.43 | 10 | BB Min | A: 35.69 (+3.74s | 9.5%) | Issaquah Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 560 | Daniel Heilman | 39.43 | 9 | BB Min | A: 35.69 (+3.74s | 9.5%) | San Francisco Seals Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 561 | Thiago Fragale | 39.43 | 10 | BB Min | A: 35.69 (+3.74s | 9.5%) | Lone Star Aquatic Club | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 562 | Michael Martin | 39.44 | 10 | BB Min | A: 35.69 (+3.75s | 9.5%) | SaltRakers Aquatic Club | 07/04/2025 | 2025 SPA S SEMINOLE SUNRISE LANES SWIM MEET | |
| 563 | Nazar Lavrentiev | 39.44 | 10 | BB Min | A: 35.69 (+3.75s | 9.5%) | Sarasota Sharks | 05/16/2025 | 2025 SYS Memorial Meet | |
| 564 | Owen Friedman | 39.44 | 8 | BB Min | A: 35.69 (+3.75s | 9.5%) | Legacy Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 565 | Liam Van Cott | 39.44 | 10 | BB Min | A: 35.69 (+3.75s | 9.5%) | Hilltop Aquatic Swim Team | 05/29/2025 | 2025 UVRays Oviatt Open | |
| 566 | Samuel Ambrose | 39.45 | 10 | BB Min | A: 35.69 (+3.76s | 9.5%) | Cascade Swim Club | 06/20/2025 | 2025 IE VS Starlight Open | |
| 567 | Adi Bisht | 39.46 | 10 | BB Min | A: 35.69 (+3.77s | 9.6%) | Valley Splash | 06/27/2025 | Valley Splash | |
| 568 | Beckham Sleeth | 39.47 | 8 | BB Min | A: 35.69 (+3.78s | 9.6%) | Highlands Ranch Aquatics | 06/19/2025 | 2025 CO ACES Summer Invite | |
| 569 | Joseph Jorgensen | 39.48 | 9 | BB Min | A: 35.69 (+3.79s | 9.6%) | Coastal Machine Aquatics Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 570 | Leo Gazzard | 39.48 | 8 | BB Min | A: 35.69 (+3.79s | 9.6%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 571 | Anders Eklund | 39.48 | 9 | BB Min | A: 35.69 (+3.79s | 9.6%) | Great Wolf Swim Team | 05/16/2025 | 2025 MN STRM Spring Startup | |
| 572 | Gabriel Goldman-Mohl | 39.49 | 9 | BB Min | A: 35.69 (+3.80s | 9.6%) | Dart Swimming | 06/21/2024 | Reno Aquatic Club Gamble | |
| 573 | Ian Susanto | 39.51 | 8 | BB Min | A: 35.69 (+3.82s | 9.7%) | Legacy Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 574 | Leopold Stevens | 39.51 | 8 | BB Min | A: 35.69 (+3.82s | 9.7%) | YMCA of the Triangle Area Swim | 06/14/2024 | SwimRVA Summer Invitational | |
| 575 | Hendrix Raulerson | 39.52 | 8 | BB Min | A: 35.69 (+3.83s | 9.7%) | Nova of Virginia | 06/27/2024 | NOVA Firecracker Classic | |
| 576 | Joseph Lee | 39.52 | 9 | BB Min | A: 35.69 (+3.83s | 9.7%) | Life Time Michigan Swim Team | 01/27/2026 | January 2026 Life Time Michigan Intersquad | |
| 577 | Xander Liu | 39.53 | 9 | BB Min | A: 35.69 (+3.84s | 9.7%) | Sailfish | 04/05/2025 | 2025 ST TXLA 10 U Long Course Kick Off | |
| 578 | Wesley Wei | 39.55 | 9 | BB Min | A: 35.69 (+3.86s | 9.8%) | Seattle Metropolitan Aquatic C | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 579 | Pablo Miranda | 39.57 | 10 | BB Min | A: 35.69 (+3.88s | 9.8%) | Saint Petersburg Aquatics | 04/18/2025 | 2025 SPA Spring First Long Course Meet | |
| 580 | Jayden Huang | 39.58 | 9 | BB Min | A: 35.69 (+3.89s | 9.8%) | Harbor Aquatics Club | 06/14/2025 | 2025 IST June Invtational | |
| 581 | Tyler Zhang | 39.58 | 10 | BB Min | A: 35.69 (+3.89s | 9.8%) | Pacific Dragons Swim Team | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 582 | Ransom Schwartz | 39.59 | 9 | BB Min | A: 35.69 (+3.90s | 9.9%) | Swim Florida | 06/21/2025 | 2025 T2 June Saturday Showcase | |
| 583 | Caleb Campos | 39.59 | 9 | BB Min | A: 35.69 (+3.90s | 9.9%) | San Gabriel Aquatics | 05/04/2025 | 2025 ST TXLA 10 U End Of School Splash | |
| 584 | Hamilton Rule | 39.60 | 10 | BB Min | A: 35.69 (+3.91s | 9.9%) | Unattached | 08/06/2025 | 2025 Summer Elite Showcase | |
| 585 | Ryan Xie | 39.60 | 9 | BB Min | A: 35.69 (+3.91s | 9.9%) | Cascadia Swimming | 11/01/2025 | Oregon City Fall Open 2025 | |
| 586 | Kensington Hull | 39.60 | 9 | BB Min | A: 35.69 (+3.91s | 9.9%) | Heartland Swim Assoc | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 587 | Matthew Bennett | 39.61 | 9 | BB Min | A: 35.69 (+3.92s | 9.9%) | Pipeline Swimming | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | |
| 588 | Jaden Moy | 39.61 | 9 | BB Min | A: 35.69 (+3.92s | 9.9%) | Fast Falcons | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 589 | Chayton Zhou | 39.61 | 8 | BB Min | A: 35.69 (+3.92s | 9.9%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 590 | Brayden Anyanwu | 39.62 | 8 | BB Min | A: 35.69 (+3.93s | 9.9%) | Unattached | 04/05/2025 | EAJ Spring Into Long Course | |
| 591 | Scott Maley | 39.62 | 9 | BB Min | A: 35.69 (+3.93s | 9.9%) | Rochester Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 592 | Anthony Ryan | 39.62 | 8 | BB Min | A: 35.69 (+3.93s | 9.9%) | Valley Swim Team Phoenix | 06/14/2024 | 2024 Winchester Long Course Inviational | |
| 593 | Ford Halvorson | 39.63 | 9 | BB Min | A: 35.69 (+3.94s | 9.9%) | Foxjets Swim Team | 05/03/2025 | 2025 MN RSC Pentathlon | |
| 594 | Matthew Winn | 39.65 | 8 | BB Min | A: 35.69 (+3.96s | 10.0%) | South Snohomish Co Dolphins | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 595 | Adam Kao | 39.65 | 9 | BB Min | A: 35.69 (+3.96s | 10.0%) | Life Time Oregon Swim Team | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 596 | Isaiah Williams | 39.66 | 9 | BB Min | A: 35.69 (+3.97s | 10.0%) | Accokeek Stroke Technique Swim | 08/06/2025 | 2025 Summer Elite Showcase | |
| 597 | Artur Tsiareshchanka | 39.66 | 8 | BB Min | A: 35.69 (+3.97s | 10.0%) | Tampa Bay Aquatics | 05/03/2025 | 2025 TYR LCM Stingrays Meet | |
| 598 | Weston Jaegers | 39.67 | 9 | BB Min | A: 35.69 (+3.98s | 10.0%) | Mlst | 07/12/2024 | 2024 NNA Silver State Championships | |
| 599 | Benjamin Eubank | 39.68 | 9 | BB Min | A: 35.69 (+3.99s | 10.1%) | Nation\\\\\\'s Capital Swim Club | 04/26/2024 | 2024 Helen Wang Sunflower Classic | |
| 600 | Darren Xue | 39.69 | 9 | BB Min | A: 35.69 (+4.00s | 10.1%) | Lone Star Aquatic Club | 07/03/2025 | 2025 ST LSAC Ultimate Time Trial (LCM) | |
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.