USA Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3651 | David Zheng | 51.72 | 9 | B Min | BB: 47.69 (+4.03s | 7.8%) | Cypress Fairbanks Swim Club | 10/04/2024 | 2024 Fleet Fall Kickoff Invitational | |
| 3652 | Leo Grant | 51.73 | 10 | B Min | BB: 47.69 (+4.04s | 7.8%) | Texas Elite Swim Team | 09/28/2024 | Texas Elite IMX Invite 2024 | |
| 3653 | William Warden | 51.73 | 9 | B Min | BB: 47.69 (+4.04s | 7.8%) | Machine Aquatics | 12/20/2025 | 2025 Candy Cane Sprints | |
| 3654 | Wyatt Niemann | 51.73 | 10 | B Min | BB: 47.69 (+4.04s | 7.8%) | Quince Orchard Swim Academy | 03/20/2026 | 2026 RMSC Spring Finale | |
| 3655 | Calder Pettersen | 51.73 | 9 | B Min | BB: 47.69 (+4.04s | 7.8%) | Cascade Swim Club | 11/16/2025 | 2025 PN CSC Distance Plus Intrasquad | |
| 3656 | Jackson Collier | 51.73 | 10 | B Min | BB: 47.69 (+4.04s | 7.8%) | Cypress Fairbanks Swim Club | 10/04/2024 | 2024 Fleet Fall Kickoff Invitational | |
| 3657 | Isaiah Burdett | 51.74 | 9 | B Min | BB: 47.69 (+4.05s | 7.8%) | Waves Of Wilmington Inc | 11/21/2025 | 2025 ECA Southeastern Classic | |
| 3658 | Jonathan Van Dalen | 51.74 | 9 | B Min | BB: 47.69 (+4.05s | 7.8%) | Potomac Marlins | 01/17/2026 | PVS January Open 2026 PWCS | |
| 3659 | Dmitry Temkin | 51.74 | 9 | B Min | BB: 47.69 (+4.05s | 7.8%) | West Coast Aquatics | 05/15/2026 | 2026 PN SRST Pacific Coast Invitational App | |
| 3660 | William Britt | 51.74 | 9 | B Min | BB: 47.69 (+4.05s | 7.8%) | Raleigh Swimming Association | 12/06/2025 | 2025 MOR Arctic Blast Meet | |
| 3661 | James Morgan | 51.74 | 9 | B Min | BB: 47.69 (+4.05s | 7.8%) | Nation\\\\\\'s Capital Swim Club | 03/20/2026 | March Madness 2026 | |
| 3662 | Martin Mao | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Sienna Premier Aquatics | 10/05/2024 | SPA Fall Annual Fall Invite 2024 | |
| 3663 | Hugo Pace | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Pacifica Sea Lions | 03/28/2026 | PSL March CBA+ | |
| 3664 | Brandon Lin | 51.75 | 9 | B Min | BB: 47.69 (+4.06s | 7.8%) | Long Island Aquatic Club | 11/01/2025 | 2025 MR TRI Fall SCY Invitational | |
| 3665 | Landon Quelland | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 3666 | Maximus Agresti | 51.75 | 9 | B Min | BB: 47.69 (+4.06s | 7.8%) | Punahou Aquatics Institute | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 3667 | Wes Tang | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Harbor Seals | 12/13/2025 | 2025 MR TRI Winter SCY Invitational | |
| 3668 | Michael Oneil | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Highlands Ranch Aquatics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 3669 | Rooney Morgan | 51.76 | 10 | B Min | BB: 47.69 (+4.07s | 7.9%) | Ensworth Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 3670 | Elias Tenney | 51.76 | 8 | B Min | BB: 47.69 (+4.07s | 7.9%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 3671 | Jasper Zhuo | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | South Shore YMCA Strypers | 06/07/2026 | 2026 NE NSSC June Invitational At BC High | |
| 3672 | Holt Jorgensen | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | Dart Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 3673 | Markus Kuunal | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | Washingtonians Swim Club | 10/25/2025 | Trick Or Treat Mini Meet | |
| 3674 | Adam Mitzel | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | Redmond Aquatic Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 3675 | Preston Bao | 51.76 | 10 | B Min | BB: 47.69 (+4.07s | 7.9%) | Rancho San Dieguito | 10/11/2025 | 2025 SI RSD All Ages B C Meet | |
| 3676 | Charles Pang | 51.77 | 9 | B Min | BB: 47.69 (+4.08s | 7.9%) | Aggie Swim Club | 01/10/2025 | MAC 2025 Neon New Year Meet | |
| 3677 | Elijah Crush | 51.77 | 8 | B Min | BB: 47.69 (+4.08s | 7.9%) | YMCA of Virginia\\\\\\'s Blue Ridge | 02/07/2026 | SW District 8 Under Championship | |
| 3678 | Linus Teufel | 51.77 | 10 | B Min | BB: 47.69 (+4.08s | 7.9%) | Florida West Coast Aquatics | 10/17/2025 | FRIDAY NITE RACES OCT 2025 | |
| 3679 | Zihan Zhao | 51.77 | 9 | B Min | BB: 47.69 (+4.08s | 7.9%) | Pacific Dragons Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 3680 | Kingston Walls | 51.78 | 9 | B Min | BB: 47.69 (+4.09s | 7.9%) | Terrapins Swim Team | 11/15/2024 | Pacific Swimming SCY B BB+ Last Chance Meet | |
| 3681 | William Lawrence | 51.78 | 8 | B Min | BB: 47.69 (+4.09s | 7.9%) | Pro Swimming | 01/23/2026 | 2026 PN Pro January Intrasquad Approved | |
| 3682 | Nolan Williams | 51.78 | 9 | B Min | BB: 47.69 (+4.09s | 7.9%) | Loyola Blakefield Aquatics | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 3683 | August Pittman | 51.79 | 9 | B Min | BB: 47.69 (+4.10s | 7.9%) | Issaquah Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 3684 | John Robertson | 51.79 | 9 | B Min | BB: 47.69 (+4.10s | 7.9%) | McCallie-GPS Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 3685 | Edan Gerstein | 51.79 | 9 | B Min | BB: 47.69 (+4.10s | 7.9%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 3686 | Lucas Fleck | 51.79 | 10 | B Min | BB: 47.69 (+4.10s | 7.9%) | AC Swim Club | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 3687 | Vaughn Jamison | 51.79 | 10 | B Min | BB: 47.69 (+4.10s | 7.9%) | Aspire Aquatics of Colorado | 03/06/2026 | 2026 CO 14 U Silver State | |
| 3688 | Gil Ben Yona | 51.80 | 8 | B Min | BB: 47.69 (+4.11s | 7.9%) | Long Island Aquatic Club | 01/10/2026 | 2026 MR FA Iron Dragon Invitational | |
| 3689 | Connor Hilton | 51.80 | 9 | B Min | BB: 47.69 (+4.11s | 7.9%) | SwimRVA | 01/24/2026 | 2026 WAC Mike Willard Polar Plunge | |
| 3690 | Gunner Gessner | 51.80 | 9 | B Min | BB: 47.69 (+4.11s | 7.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 10/26/2025 | Lisa Ferris Fall Festival Time Trial 2025 | |
| 3691 | William Cullip | 51.80 | 10 | B Min | BB: 47.69 (+4.11s | 7.9%) | High Tides Swim Club | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 3692 | Calvin Oliphant | 51.81 | 10 | B Min | BB: 47.69 (+4.12s | 8.0%) | Arlington Aquatic Club | 02/13/2026 | 2026 AAC Winter Gator Meet | |
| 3693 | Oliver Lin | 51.82 | 9 | B Min | BB: 47.69 (+4.13s | 8.0%) | South Shore YMCA Strypers | 01/30/2026 | 2026 NE CS Silver Championships | |
| 3694 | Oliver Adair | 51.82 | 9 | B Min | BB: 47.69 (+4.13s | 8.0%) | All Star Aquatics | 10/11/2025 | 2025 ASA October Kick Off | |
| 3695 | Colten Stevens | 51.82 | 10 | B Min | BB: 47.69 (+4.13s | 8.0%) | H2okie Aquatics | 10/11/2025 | 2025 WAC Start Up Classic | |
| 3696 | Lucas Wu | 51.83 | 10 | B Min | BB: 47.69 (+4.14s | 8.0%) | Coronado Swim -team Elite | 04/11/2026 | SI 2026 RSD All Ages BC Meet | |
| 3697 | Elias Wilden | 51.83 | 10 | B Min | BB: 47.69 (+4.14s | 8.0%) | Nitro Swimming | 09/19/2025 | 2025 ST AQTX Round Rock Unclassified | |
| 3698 | Cameron Lane | 51.83 | 10 | B Min | BB: 47.69 (+4.14s | 8.0%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 3699 | Luca Moyes | 51.83 | 9 | B Min | BB: 47.69 (+4.14s | 8.0%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 3700 | Colin Joyce | 51.83 | 9 | B Min | BB: 47.69 (+4.14s | 8.0%) | Nova of Virginia | 01/09/2026 | NOVA New Year S 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.