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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3551 | Nicholas Mumper | 46.51 | 9 | B: 43.89 (+2.62s | 5.6%) | Fox Swim Club | 04/11/2026 | 2026 Fox April Long Course Invitational | ||
| 3552 | Youcheng Yin | 46.51 | 9 | B: 43.89 (+2.62s | 5.6%) | Arctic Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | ||
| 3553 | Matias Ramirez | 46.51 | 9 | B: 43.89 (+2.62s | 5.6%) | Unattached | 06/19/2026 | 2026 SoFlo Last Chance Summer Invite | ||
| 3554 | Shane Hauck | 46.52 | 7 | B: 43.89 (+2.63s | 5.7%) | Sporting Jax Aquatic Club | 05/02/2026 | SwimRise IMX IMR Challenge | ||
| 3555 | Chase Yang | 46.53 | 9 | B: 43.89 (+2.64s | 5.7%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 3556 | Andrew Chen | 46.54 | 7 | B: 43.89 (+2.65s | 5.7%) | Thunder Coast Aquatics | 06/12/2026 | Neptune Swimming June LC Meet | ||
| 3557 | Caleb Tsoi | 46.54 | 10 | B: 43.89 (+2.65s | 5.7%) | Lifetime | 04/24/2026 | 2026 NE NSSC 4 24 26 Specialty Meet | ||
| 3558 | SaiShyam Nagarajan | 46.54 | 9 | B: 43.89 (+2.65s | 5.7%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 3559 | Mayson Huang | 46.54 | 9 | B: 43.89 (+2.65s | 5.7%) | Issaquah Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | ||
| 3560 | Fisher Cui | 46.55 | 9 | B: 43.89 (+2.66s | 5.7%) | Mei\\\\\\'s Typhoons Swimming Club | 06/26/2026 | 2026 NE NSSC June 26 28 MIT Invitational | ||
| 3561 | James Higdon | 46.55 | 10 | B: 43.89 (+2.66s | 5.7%) | Parkway-Rockwood Gateway Swim | 05/29/2026 | 2026 Meet Me In St Louis Invite | ||
| 3562 | Ayansh Sinha | 46.56 | 10 | B: 43.89 (+2.67s | 5.7%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 3563 | Christopher Ewing | 46.56 | 9 | B: 43.89 (+2.67s | 5.7%) | Laker Swim | 06/11/2026 | 2026 RAFC Summer Solstice Invitational | ||
| 3564 | Jameson Wallace | 46.56 | 8 | B: 43.89 (+2.67s | 5.7%) | Napa Valley Swim Team | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 3565 | Isaac Welmerink | 46.57 | 9 | B: 43.89 (+2.68s | 5.8%) | Lakeridge Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | ||
| 3566 | Jayant Gaddam | 46.58 | 9 | B: 43.89 (+2.69s | 5.8%) | Nova of Virginia | 05/15/2026 | NOVA Spring Splash | ||
| 3567 | Joseph Wheaton | 46.58 | 10 | B: 43.89 (+2.69s | 5.8%) | Tampa Bay Aquatic Club | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | ||
| 3568 | Will Flynn | 46.58 | 9 | B: 43.89 (+2.69s | 5.8%) | FireFish Swim Team | 06/06/2026 | 2026 NE KING CAC Almost Summer Invite | ||
| 3569 | Asher Friedlander | 46.59 | 9 | B: 43.89 (+2.70s | 5.8%) | Life Time Colorado Swim Club | 05/29/2026 | 2026 CO Barracuda Summer Sizzler Invite | ||
| 3570 | Jasper Wang | 46.59 | 9 | B: 43.89 (+2.70s | 5.8%) | Kamehameha Swim Club | 05/23/2026 | OSL A+ LCM Meet | ||
| 3571 | Kieran McLennan | 46.60 | 9 | B: 43.89 (+2.71s | 5.8%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 3572 | Lucas Liu | 46.60 | 9 | B: 43.89 (+2.71s | 5.8%) | Bellevue Club Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 3573 | Benjamin Fikhman | 46.61 | 8 | B: 43.89 (+2.72s | 5.8%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | ||
| 3574 | Gavin Osterman | 46.61 | 9 | B: 43.89 (+2.72s | 5.8%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | ||
| 3575 | Wilhelm Kozlow | 46.61 | 9 | B: 43.89 (+2.72s | 5.8%) | Firebirds | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | ||
| 3576 | Dani Vasconcelos de Freit | 46.61 | 10 | B: 43.89 (+2.72s | 5.8%) | Laker Swim | 04/26/2025 | 2025 Ron Nardozzi Pre Derby Sprint Invite | ||
| 3577 | Huck Ling | 46.61 | 8 | B: 43.89 (+2.72s | 5.8%) | The Olympic Club | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 3578 | Janav Sompalli | 46.62 | 7 | B: 43.89 (+2.73s | 5.9%) | Gilroy Gators Swim Team | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 3579 | Jayden Yang | 46.62 | 9 | B: 43.89 (+2.73s | 5.9%) | Pacific Dragons Swim Team | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | ||
| 3580 | Ethan Zhang | 46.62 | 10 | B: 43.89 (+2.73s | 5.9%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | ||
| 3581 | Pax Vo | 46.63 | 9 | B: 43.89 (+2.74s | 5.9%) | Germantown Swim Team | 05/29/2026 | 2026 Spring Invitational | ||
| 3582 | Duke DeAngelis | 46.63 | 9 | B: 43.89 (+2.74s | 5.9%) | Ohana Swim Club | 04/26/2025 | 10th Annual Hohne Memorial Invitational | ||
| 3583 | Dylan Bustamante | 46.63 | 9 | B: 43.89 (+2.74s | 5.9%) | Swim Florida | 04/17/2026 | 2026 GCST Spring Open | ||
| 3584 | Ryan McGarry | 46.64 | 8 | B: 43.89 (+2.75s | 5.9%) | SwimMAC Carolina | 05/01/2026 | 2026 NC SwimMAC Spring Splash | ||
| 3585 | Ezekiel Ortez | 46.64 | 10 | B: 43.89 (+2.75s | 5.9%) | Norfolk YMCA Aquajets | 06/26/2026 | 2026 SD SFST Summer Surge Classic | ||
| 3586 | Leo Tsui | 46.64 | 9 | B: 43.89 (+2.75s | 5.9%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 3587 | Lincoln Nelson | 46.64 | 10 | B: 43.89 (+2.75s | 5.9%) | Anglerfish Aquatics | 06/05/2026 | 2026 NE SAC America S Cup | ||
| 3588 | Nazareth Garcia | 46.64 | 10 | B: 43.89 (+2.75s | 5.9%) | Hickory Foundation YMCA Seahor | 06/19/2026 | 19th Annual Bob Pratt Invitational Copied | ||
| 3589 | Kyle Wong | 46.65 | 9 | B: 43.89 (+2.76s | 5.9%) | Albany Armada Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 3590 | Linus McMaster | 46.66 | 9 | B: 43.89 (+2.77s | 5.9%) | Eugene City Swim Club | 06/13/2026 | 2026 Mike Morris Memorial Invitational Copi | ||
| 3591 | Wilson Zhou | 46.68 | 10 | B: 43.89 (+2.79s | 6.0%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 3592 | Ethan Tse | 46.68 | 9 | B: 43.89 (+2.79s | 6.0%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 3593 | Ryan Shen | 46.68 | 10 | B: 43.89 (+2.79s | 6.0%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 3594 | Kent Carnahan | 46.69 | 10 | B: 43.89 (+2.80s | 6.0%) | Tiger Shark of Texas | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | ||
| 3595 | Samuel Miller | 46.69 | 10 | B: 43.89 (+2.80s | 6.0%) | Team Pittsburgh Elite Aquatics | 06/12/2025 | Holtrey Summer Classic | ||
| 3596 | Joao Barretto | 46.70 | 9 | B: 43.89 (+2.81s | 6.0%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | ||
| 3597 | Zihan Zhao | 46.70 | 9 | B: 43.89 (+2.81s | 6.0%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 3598 | Oliver Garcia | 46.70 | 10 | B: 43.89 (+2.81s | 6.0%) | Four Corners Aquatic Team | 05/29/2026 | 2026 CO Cortez Summer Open | ||
| 3599 | Theodore Johnson | 46.71 | 10 | B: 43.89 (+2.82s | 6.0%) | North Jeffco Swim Team | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | ||
| 3600 | James Guyton | 46.71 | 10 | B: 43.89 (+2.82s | 6.0%) | Atlantic Coast Athletic Club | 04/17/2026 | NOVA Long Course Kick Off | ||
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.