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 | Daniel Guo | 38.23 | 10 | BB Min | A: 35.69 (+2.54s | 6.6%) | Riptide Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 552 | Robert Botterill | 38.24 | 10 | BB Min | A: 35.69 (+2.55s | 6.7%) | Granite City Aquatics | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | |
| 553 | Franco Martinez | 38.24 | 10 | BB Min | A: 35.69 (+2.55s | 6.7%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | |
| 554 | Jeremiah Lee | 38.25 | 10 | BB Min | A: 35.69 (+2.56s | 6.7%) | Chinook Aquatic Club | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 555 | Ty Gates | 38.26 | 10 | BB Min | A: 35.69 (+2.57s | 6.7%) | Westlake Aquatic Facility | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 556 | Maximus Johnson | 38.27 | 9 | BB Min | A: 35.69 (+2.58s | 6.7%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 557 | George Peters | 38.28 | 10 | BB Min | A: 35.69 (+2.59s | 6.8%) | Rochester Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 558 | Mack Maiser | 38.29 | 10 | BB Min | A: 35.69 (+2.60s | 6.8%) | Edina Swim Club | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 559 | Niranjan Bharathan | 38.31 | 10 | BB Min | A: 35.69 (+2.62s | 6.8%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 560 | Benjamin Higgs | 38.33 | 10 | BB Min | A: 35.69 (+2.64s | 6.9%) | Sporting Jax Aquatic Club | 04/10/2026 | 2026 April Classic | |
| 561 | Leonardo Torres Huchin | 38.33 | 9 | BB Min | A: 35.69 (+2.64s | 6.9%) | Colts | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 562 | Nil Shamshurin | 38.34 | 10 | BB Min | A: 35.69 (+2.65s | 6.9%) | Bure-Aqua Academy | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 563 | Wesley Wilson | 38.34 | 9 | BB Min | A: 35.69 (+2.65s | 6.9%) | Lewis Clark Neptune Swim Team | 05/15/2026 | 2026 Chris Engledow Memorial Meet | |
| 564 | Carter Hollingsworth | 38.35 | 10 | BB Min | A: 35.69 (+2.66s | 6.9%) | Castle Rock Swimming | 06/06/2025 | 2025 CO FAST June Bonanza | |
| 565 | Thomas Halford | 38.36 | 10 | BB Min | A: 35.69 (+2.67s | 7.0%) | Pikes Peak Athletics | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 566 | Callan Scribner | 38.37 | 10 | BB Min | A: 35.69 (+2.68s | 7.0%) | SwimEnergy Aquatics | 04/17/2026 | 2026 GCST Spring Open | |
| 567 | Coen Yazdani | 38.37 | 10 | BB Min | A: 35.69 (+2.68s | 7.0%) | San Antonio Wave | 04/18/2026 | 2026 ST NIST Spring Into Long Course | |
| 568 | Isaac Tang | 38.37 | 10 | BB Min | A: 35.69 (+2.68s | 7.0%) | Longhorn Aquatics | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | |
| 569 | Justin Chi | 38.38 | 9 | BB Min | A: 35.69 (+2.69s | 7.0%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 570 | Micah Lamb | 38.39 | 10 | BB Min | A: 35.69 (+2.70s | 7.0%) | Riptide Aquatics | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | |
| 571 | Riaan Purohit | 38.39 | 9 | BB Min | A: 35.69 (+2.70s | 7.0%) | Westlake Aquatic Facility | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 572 | Zai Russell | 38.40 | 9 | BB Min | A: 35.69 (+2.71s | 7.1%) | Sarasota Sharks | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 573 | John Golightly | 38.42 | 9 | BB Min | A: 35.69 (+2.73s | 7.1%) | Indian River Aquatics | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 574 | Ian Addanki | 38.43 | 10 | BB Min | A: 35.69 (+2.74s | 7.1%) | Hudson Explorer Aquatic | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 575 | Jace Djang | 38.43 | 10 | BB Min | A: 35.69 (+2.74s | 7.1%) | Lake Erie Silver Dolphins | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 576 | Kristian Efimov | 38.44 | 10 | BB Min | A: 35.69 (+2.75s | 7.2%) | Bravo Swim Team | 04/25/2026 | 2026 Azura Spring Open LCM Invit | |
| 577 | Josiah Suprato | 38.44 | 10 | BB Min | A: 35.69 (+2.75s | 7.2%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 578 | Jonathan Li | 38.44 | 8 | BB Min | A: 35.69 (+2.75s | 7.2%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 579 | George Laconte | 38.45 | 9 | BB Min | A: 35.69 (+2.76s | 7.2%) | Asphalt Green Unified Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 580 | Amar Alwattar | 38.45 | 10 | BB Min | A: 35.69 (+2.76s | 7.2%) | Montclair Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 581 | Finn Scott | 38.46 | 10 | BB Min | A: 35.69 (+2.77s | 7.2%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 582 | Jameson Leung | 38.46 | 10 | BB Min | A: 35.69 (+2.77s | 7.2%) | Trident Aquatic Club | 08/06/2025 | 2025 Summer Elite Showcase | |
| 583 | Moses Wang | 38.47 | 10 | BB Min | A: 35.69 (+2.78s | 7.2%) | Bainbridge Island Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 584 | Marcello Rinaldi | 38.47 | 10 | BB Min | A: 35.69 (+2.78s | 7.2%) | Minnetonka Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 585 | Johnathan Rudd | 38.47 | 10 | BB Min | A: 35.69 (+2.78s | 7.2%) | Jupiter Dragons Swim Team | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 586 | Liam Feliciano-Sanik | 38.48 | 7 | BB Min | A: 35.69 (+2.79s | 7.3%) | Saint Petersburg Aquatics | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 587 | Reid Siemens | 38.49 | 9 | BB Min | A: 35.69 (+2.80s | 7.3%) | Hurricanes Swim Team | 06/26/2025 | 2025 MN AQJT Aquajets Summer Spectacular | |
| 588 | Kawika Cox | 38.49 | 10 | BB Min | A: 35.69 (+2.80s | 7.3%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 589 | Whitt Jaskot | 38.50 | 10 | BB Min | A: 35.69 (+2.81s | 7.3%) | Cavalier Aquatics/Piedmont Fam | 06/21/2024 | 28th Annual SMAC Summer Classic | |
| 590 | John O'Neil | 38.51 | 10 | BB Min | A: 35.69 (+2.82s | 7.3%) | Univ. of Denver Hilltoppers | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 591 | Joshua Vitale | 38.52 | 10 | BB Min | A: 35.69 (+2.83s | 7.3%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | |
| 592 | Ali Abolfadl | 38.53 | 9 | BB Min | A: 35.69 (+2.84s | 7.4%) | Olympic Cascade Aquatics | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 593 | Roman Tsikalov | 38.54 | 10 | BB Min | A: 35.69 (+2.85s | 7.4%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 594 | Houston Coghill | 38.54 | 9 | BB Min | A: 35.69 (+2.85s | 7.4%) | SwimEnergy Aquatics | 04/17/2026 | 2026 GCST Spring Open | |
| 595 | Brayden Blaine | 38.54 | 10 | BB Min | A: 35.69 (+2.85s | 7.4%) | Montrose Marlins Swim Club | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 596 | Oliver Catala | 38.55 | 10 | BB Min | A: 35.69 (+2.86s | 7.4%) | Gulliver Swim Club | 04/25/2026 | 2026 Azura Spring Open LCM Invit | |
| 597 | John Bloom | 38.55 | 9 | BB Min | A: 35.69 (+2.86s | 7.4%) | Sporting Jax Aquatic Club | 04/10/2026 | 2026 April Classic | |
| 598 | Zane Gibson | 38.56 | 9 | BB Min | A: 35.69 (+2.87s | 7.4%) | Alpha Aquatics | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 599 | Mateo Sison | 38.57 | 10 | BB Min | A: 35.69 (+2.88s | 7.5%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 600 | Lucas Ding | 38.57 | 8 | BB Min | A: 35.69 (+2.88s | 7.5%) | Waterloo Swimming | 05/08/2026 | 2026 ST ASC 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.