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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3451 | William Zhao | 51.67 | 10 | B Min | BB: 47.69 (+3.98s | 7.7%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 3452 | Yash Bharambe | 51.67 | 10 | B Min | BB: 47.69 (+3.98s | 7.7%) | Sunnyvale Swim Club | 09/27/2026 | SUNN Blue And Gold Intrasquad Meet | |
| 3453 | Trishiv Singh | 51.67 | 10 | B Min | BB: 47.69 (+3.98s | 7.7%) | Sailfish | 08/01/2026 | 2026 ST HPAC Summer B Champs | |
| 3454 | Lewis Kowlessar | 51.68 | 9 | B Min | BB: 47.69 (+3.99s | 7.7%) | East Des Moines Lightning | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 3455 | Sean McGovern | 51.68 | 9 | B Min | BB: 47.69 (+3.99s | 7.7%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 3456 | Clark Wokson | 51.69 | 9 | B Min | BB: 47.69 (+4.00s | 7.7%) | Life Time Minnesota Swim Team | 04/26/2026 | 2026 MN EDI April Sunday At The Races | |
| 3457 | Leo Gershteyn | 51.69 | 10 | B Min | BB: 47.69 (+4.00s | 7.7%) | Trident Aquatic Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 3458 | Finnegan Kaplan | 51.69 | 7 | B Min | BB: 47.69 (+4.00s | 7.7%) | Staten Island Aquatics Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 3459 | Liam Chung | 51.69 | 9 | B Min | BB: 47.69 (+4.00s | 7.7%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 3460 | Asher Todd | 51.70 | 9 | B Min | BB: 47.69 (+4.01s | 7.8%) | Hillsborough Aquatic Club | 02/14/2026 | 2026 CAT Valentine Splash | |
| 3461 | Travis Cooper | 51.71 | 9 | B Min | BB: 47.69 (+4.02s | 7.8%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 3462 | Aiden Boudjemaa | 51.71 | 8 | B Min | BB: 47.69 (+4.02s | 7.8%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 3463 | Freddie Newman | 51.71 | 9 | B Min | BB: 47.69 (+4.02s | 7.8%) | Moraga Valley Pool | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 3464 | Henry Sun | 51.71 | 7 | B Min | BB: 47.69 (+4.02s | 7.8%) | Tide Swimming | 12/05/2025 | 2025 757swim Grand Illumination | |
| 3465 | Matthew Thant | 51.71 | 10 | B Min | BB: 47.69 (+4.02s | 7.8%) | Amherst Tiger Sharks | 10/17/2026 | AMTS 2026 Small Club Fall Invite | |
| 3466 | 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 | |
| 3467 | Alex Borz | 51.72 | 10 | B Min | BB: 47.69 (+4.03s | 7.8%) | Indian River Aquatics | 01/25/2025 | TCA Winter Open | |
| 3468 | Ryder Firth | 51.72 | 9 | B Min | BB: 47.69 (+4.03s | 7.8%) | Valley Shore YMCA Marlins | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 3469 | Finn Kirst | 51.72 | 10 | B Min | BB: 47.69 (+4.03s | 7.8%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | |
| 3470 | Henry Xu | 51.72 | 9 | B Min | BB: 47.69 (+4.03s | 7.8%) | Csp Tideriders | 10/24/2026 | 2026 METS Splash Of The Titans Copied | |
| 3471 | William Warden | 51.73 | 9 | B Min | BB: 47.69 (+4.04s | 7.8%) | Machine Aquatics | 12/20/2025 | 2025 Candy Cane Sprints | |
| 3472 | 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 | |
| 3473 | Cooper Ly | 51.73 | 10 | B Min | BB: 47.69 (+4.04s | 7.8%) | Excel Aquatics | 09/25/2026 | 2026 Excel Aquatics Fall Fest Invite | |
| 3474 | 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 | |
| 3475 | 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 | |
| 3476 | 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 | |
| 3477 | 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 | |
| 3478 | 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 | |
| 3479 | Matt Shen | 51.74 | 10 | B Min | BB: 47.69 (+4.05s | 7.8%) | Hill Country Aquatics | 09/12/2026 | 2026 ST HCA Endless Summer SCY Invite | |
| 3480 | Donavan Halsey | 51.74 | 8 | B Min | BB: 47.69 (+4.05s | 7.8%) | Life Time Swim Team - Central | 09/11/2026 | 2026 ST SASA Sombrero Uno | |
| 3481 | Lorenzo Sanchez | 51.74 | 10 | B Min | BB: 47.69 (+4.05s | 7.8%) | Blue Wave Swimming | 10/09/2026 | 2026 GTSA TYR Swim Classic | |
| 3482 | 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 | |
| 3483 | 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 | |
| 3484 | 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 | |
| 3485 | 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 | |
| 3486 | 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 | |
| 3487 | Eno Zheng | 51.75 | 9 | B Min | BB: 47.69 (+4.06s | 7.8%) | Metro Area Life Time | 10/17/2026 | 2026 EEX RU Scared Yet | |
| 3488 | 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 | |
| 3489 | 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 | |
| 3490 | 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 | |
| 3491 | Rooney Morgan | 51.76 | 10 | B Min | BB: 47.69 (+4.07s | 7.9%) | Ensworth Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 3492 | 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 | |
| 3493 | 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 | |
| 3494 | Brooks Dechaine | 51.76 | 10 | B Min | BB: 47.69 (+4.07s | 7.9%) | Swim Florida | 09/19/2026 | 2026 GCST FALL OPEN | |
| 3495 | Holt Jorgensen | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | Dart Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 3496 | 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 | |
| 3497 | 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 | |
| 3498 | Ryan Hu | 51.77 | 9 | B Min | BB: 47.69 (+4.08s | 7.9%) | Pacific Dragons Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 3499 | Andrew Chen | 51.77 | 7 | B Min | BB: 47.69 (+4.08s | 7.9%) | Thunder Coast Aquatics | 10/03/2026 | Neptune Swimming Fall Classic | |
| 3500 | 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 | |
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.