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 | |
|---|---|---|---|---|---|---|---|---|---|
| 551 | Phillippe Choi | 42.27 | 10 | BB Min | A: 42.09 (+0.18s | 0.4%) | Blast Sharks | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 552 | Arieh Elias | 42.29 | 10 | BB Min | A: 42.09 (+0.20s | 0.5%) | Unattached | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 553 | Jordan Melenbrink | 42.31 | 9 | BB Min | A: 42.09 (+0.22s | 0.5%) | Oly Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 554 | Kevin Liu | 42.31 | 10 | BB Min | A: 42.09 (+0.22s | 0.5%) | Arctic Aquatics | 05/01/2026 | 2026 NE ARCT Spring Specialty Meet | |
| 555 | William Yiengst | 42.32 | 10 | BB Min | A: 42.09 (+0.23s | 0.5%) | Machine Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 556 | Bennett Mckown | 42.32 | 8 | BB Min | A: 42.09 (+0.23s | 0.5%) | Volusia Swim Club | 04/18/2026 | 2026 BMAC Spring Speed Challenge | |
| 557 | Tanner Langsdale | 42.33 | 10 | BB Min | A: 42.09 (+0.24s | 0.6%) | York Swim Club of Northern Vir | 03/20/2026 | March Madness 2026 | |
| 558 | Jake McNair | 42.34 | 9 | BB Min | A: 42.09 (+0.25s | 0.6%) | Bellevue Club Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 559 | Dmitry Klyukin | 42.35 | 10 | BB Min | A: 42.09 (+0.26s | 0.6%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 560 | Lucas Pan | 42.35 | 9 | BB Min | A: 42.09 (+0.26s | 0.6%) | Pacific Swimming Zone | 04/26/2026 | 2026 Pacific Swimming Zone All Star Meet | |
| 561 | Johnny Rudd | 42.36 | 10 | BB Min | A: 42.09 (+0.27s | 0.6%) | Jupiter Dragons Swim Team | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 562 | Aiden Sanchez | 42.36 | 7 | BB Min | A: 42.09 (+0.27s | 0.6%) | Saint Petersburg Aquatics | 11/21/2025 | SPA PYP NOVEMBER 2025 | |
| 563 | David Xiong | 42.37 | 8 | BB Min | A: 42.09 (+0.28s | 0.7%) | Arctic Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 564 | Theodore Hovord | 42.38 | 10 | BB Min | A: 42.09 (+0.29s | 0.7%) | Club Wolverine | 01/16/2026 | SLA Arctic Blast 2026 | |
| 565 | Aedan Allen | 42.38 | 10 | BB Min | A: 42.09 (+0.29s | 0.7%) | Lone Star Aquatic Club | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 566 | Hengrui Cao | 42.39 | 10 | BB Min | A: 42.09 (+0.30s | 0.7%) | Saline Swim Team | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 567 | Noah Bello | 42.40 | 10 | BB Min | A: 42.09 (+0.31s | 0.7%) | Riverview Buccaneers Swim Team | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 568 | Mason Sovich | 42.41 | 9 | BB Min | A: 42.09 (+0.32s | 0.8%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 569 | Michael Evans | 42.41 | 10 | BB Min | A: 42.09 (+0.32s | 0.8%) | Sea Dragon Aquatics | 03/26/2026 | Destination Athlete Centennial Invite 2026 | |
| 570 | Jeffrey Hill | 42.41 | 10 | BB Min | A: 42.09 (+0.32s | 0.8%) | Saint Andrew\\\\\\'s Aquatics | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 571 | Nolan Ruther | 42.41 | 10 | BB Min | A: 42.09 (+0.32s | 0.8%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 572 | Hawx Hansen | 42.43 | 10 | BB Min | A: 42.09 (+0.34s | 0.8%) | Wasatch Front Fish Market | 12/29/2025 | 60th Kearns Holiday Open Invitational | |
| 573 | Aiden Kiatrungrit | 42.43 | 10 | BB Min | A: 42.09 (+0.34s | 0.8%) | South San Francisco Aquatics | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 574 | Grant Zimmermann | 42.43 | 10 | BB Min | A: 42.09 (+0.34s | 0.8%) | YMCA of the Triangle Area Swim | 03/19/2026 | 2026 USRY Short Course Champs | |
| 575 | William Massie | 42.43 | 10 | BB Min | A: 42.09 (+0.34s | 0.8%) | O\\\\\\'Neal Aquatics | 03/20/2026 | 2026 STAR Tar Heel States | |
| 576 | Leon Oka | 42.44 | 10 | BB Min | A: 42.09 (+0.35s | 0.8%) | Westchester Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 577 | Herman Wollman | 42.44 | 10 | BB Min | A: 42.09 (+0.35s | 0.8%) | Gold Medal Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 578 | Daniel Nagaoka | 42.44 | 10 | BB Min | A: 42.09 (+0.35s | 0.8%) | Quicksilver Swimming | 03/20/2026 | SCY Spring Age Group Championships | |
| 579 | Dean Hunter | 42.46 | 10 | BB Min | A: 42.09 (+0.37s | 0.9%) | Sporting Jax Aquatic Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 580 | Christopher Laczynski | 42.47 | 10 | BB Min | A: 42.09 (+0.38s | 0.9%) | Summerville Family YMCA | 03/19/2026 | 2026 USRY Short Course Champs | |
| 581 | William Power | 42.47 | 10 | BB Min | A: 42.09 (+0.38s | 0.9%) | Monterey Bay Swim Club | 07/18/2025 | CVAL | |
| 582 | Austin Yang | 42.48 | 10 | BB Min | A: 42.09 (+0.39s | 0.9%) | Three Village Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 583 | Leo Ioffe | 42.49 | 10 | BB Min | A: 42.09 (+0.40s | 0.9%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 584 | Charles Sundberg | 42.50 | 10 | BB Min | A: 42.09 (+0.41s | 1.0%) | North Bay Aquatics | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 585 | Connor O'Connell | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Hurricane Penguins Swim Club | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 586 | Adam Boned | 42.51 | 9 | BB Min | A: 42.09 (+0.42s | 1.0%) | Bergen Barracudas Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 587 | Samuel Holmes | 42.51 | 9 | BB Min | A: 42.09 (+0.42s | 1.0%) | Lowes YMCA Lightning Swim Team | 03/19/2026 | 2026 USRY Short Course Champs | |
| 588 | Theodore Chartrand | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 589 | Philip Wong | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Trident Aquatic Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 590 | Alexander Donovan | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Eastern Nassau Aquatic Club | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 591 | Luca Tutill | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Sleepy Hollow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 592 | Connor Stitt | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 593 | Jonathan Nelson | 42.52 | 10 | BB Min | A: 42.09 (+0.43s | 1.0%) | Utah Valley Aquatics | 12/26/2024 | 59th Kearns Holiday Open Invitational | |
| 594 | Jimmie Jones | 42.53 | 9 | BB Min | A: 42.09 (+0.44s | 1.0%) | Razor Aquatics | 05/22/2026 | 2026 ISCA National Diversity Swim Champ | |
| 595 | Leland Tsou | 42.53 | 10 | BB Min | A: 42.09 (+0.44s | 1.0%) | Paseo Aquatics Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 596 | Calvin Luoma | 42.53 | 10 | BB Min | A: 42.09 (+0.44s | 1.0%) | Egra Waves | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 597 | Patrick Yuan | 42.54 | 10 | BB Min | A: 42.09 (+0.45s | 1.1%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 598 | Bryan HU | 42.54 | 10 | BB Min | A: 42.09 (+0.45s | 1.1%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 599 | Aleksandr Rybin | 42.56 | 10 | BB Min | A: 42.09 (+0.47s | 1.1%) | King Aquatic Club | 11/22/2025 | 2025 PN November AGI Div 1 (PDST) | |
| 600 | Joseph Chung | 42.56 | 10 | BB Min | A: 42.09 (+0.47s | 1.1%) | SwimMAC Carolina | 11/15/2025 | 2025 John Dewey Invitational | |
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.