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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Anderson Bradley | 42.21 | 10 | BB Min | A: 42.09 (+0.12s | 0.3%) | Coastal Machine Aquatics Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 452 | Sebastian Machado | 42.21 | 9 | BB Min | A: 42.09 (+0.12s | 0.3%) | South Florida Stallions | 09/19/2026 | 2026 DSC Season Opener Invite | |
| 453 | Jayden Zhen | 42.22 | 10 | BB Min | A: 42.09 (+0.13s | 0.3%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 454 | Jason Yin | 42.22 | 9 | BB Min | A: 42.09 (+0.13s | 0.3%) | Unattached | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 455 | Conall Barrett | 42.22 | 9 | BB Min | A: 42.09 (+0.13s | 0.3%) | Upper Valley Aquatic Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 456 | Zaiden Vlahos | 42.22 | 9 | BB Min | A: 42.09 (+0.13s | 0.3%) | Triton Swimming of Louisville | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 457 | Daniel Ferroni | 42.23 | 10 | BB Min | A: 42.09 (+0.14s | 0.3%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 458 | Nathan Campbell | 42.23 | 9 | BB Min | A: 42.09 (+0.14s | 0.3%) | Southwestern Aquatics Team - S | 02/21/2025 | 2025 Gulf 12 Under Champs (DADS) | |
| 459 | Michael Bevziuc | 42.23 | 9 | BB Min | A: 42.09 (+0.14s | 0.3%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 460 | Kaizen Toung | 42.24 | 9 | BB Min | A: 42.09 (+0.15s | 0.4%) | Orinda Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 461 | Gavin Samad | 42.24 | 9 | BB Min | A: 42.09 (+0.15s | 0.4%) | Unified Aquatics Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 462 | Rhyne Miller | 42.24 | 10 | BB Min | A: 42.09 (+0.15s | 0.4%) | Mecklenburg Swim Association | 01/23/2026 | 2026 TEAM Arena Western Open Copied | |
| 463 | Andrew Knol | 42.25 | 10 | BB Min | A: 42.09 (+0.16s | 0.4%) | Pacific Swim | 07/10/2026 | 2026 SI SBA All Ages Last Chance Meet | |
| 464 | Phillippe Choi | 42.27 | 10 | BB Min | A: 42.09 (+0.18s | 0.4%) | Blast Sharks | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 465 | Gairen Bean | 42.28 | 10 | BB Min | A: 42.09 (+0.19s | 0.4%) | South Bay Aquatics | 10/03/2026 | 2026 SI CAST Pentathlon October 3 | |
| 466 | Arieh Elias | 42.29 | 10 | BB Min | A: 42.09 (+0.20s | 0.5%) | Unattached | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 467 | 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 | |
| 468 | 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 | |
| 469 | Vincent Fang | 42.31 | 10 | BB Min | A: 42.09 (+0.22s | 0.5%) | Nitro Swimming | 09/06/2026 | 2026 ST NTRO Stephen J Wolleben Memorial Meet | |
| 470 | Minwei Li | 42.32 | 8 | BB Min | A: 42.09 (+0.23s | 0.5%) | Nitro Swimming | 09/06/2026 | 2026 ST NTRO Stephen J Wolleben Memorial Meet | |
| 471 | Colt Lybrand | 42.32 | 10 | BB Min | A: 42.09 (+0.23s | 0.5%) | Unattached | 10/17/2026 | 2026 SPEEDO OCROBERFEST Swim Meet | |
| 472 | Savelii Dorofieiev | 42.32 | 10 | BB Min | A: 42.09 (+0.23s | 0.5%) | Saint Petersburg Aquatics | 09/18/2026 | Kiefer Speedo Fall Invitational | |
| 473 | Bennett Mckown | 42.32 | 9 | BB Min | A: 42.09 (+0.23s | 0.5%) | Volusia Swim Club | 04/18/2026 | 2026 BMAC Spring Speed Challenge | |
| 474 | 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 | |
| 475 | 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 | |
| 476 | 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 | |
| 477 | Colton Kuenle | 42.35 | 9 | BB Min | A: 42.09 (+0.26s | 0.6%) | Blackhawk Swim Team | 10/10/2026 | SRVA SC C B BB+ Meet | |
| 478 | Logan Snodgrass | 42.35 | 10 | BB Min | A: 42.09 (+0.26s | 0.6%) | Denver Swim Academy | 10/10/2026 | 2026 CO FST Swim Pink | |
| 479 | 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) | |
| 480 | 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 | |
| 481 | Nicholas Mosendz | 42.37 | 10 | BB Min | A: 42.09 (+0.28s | 0.7%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 482 | 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 | |
| 483 | Enzo Lourenco | 42.39 | 9 | BB Min | A: 42.09 (+0.30s | 0.7%) | McCallie-GPS Aquatics | 09/26/2026 | 2026 Fall Kickoff Classic Inviational | |
| 484 | William Frohnen | 42.40 | 9 | BB Min | A: 42.09 (+0.31s | 0.7%) | San Ramon Valley Aquatics | 09/19/2026 | PC LAC C B BB 26 Copied | |
| 485 | 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) | |
| 486 | Mason Sovich | 42.41 | 10 | BB Min | A: 42.09 (+0.32s | 0.8%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 487 | Samuel Zhou | 42.41 | 10 | BB Min | A: 42.09 (+0.32s | 0.8%) | Bay Club Panthers | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 488 | 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 | |
| 489 | 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 | |
| 490 | Daniel Nagaoka | 42.44 | 10 | BB Min | A: 42.09 (+0.35s | 0.8%) | Quicksilver Swimming | 03/20/2026 | SCY Spring Age Group Championships | |
| 491 | Luke Chaikriangkrai | 42.46 | 10 | BB Min | A: 42.09 (+0.37s | 0.9%) | Bayclub Aquatic Swim Team | 09/25/2026 | 2026 BAST Season Kick Off Sprint Approved | |
| 492 | 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 | |
| 493 | Ely Erickson | 42.48 | 9 | BB Min | A: 42.09 (+0.39s | 0.9%) | Hill Country Aquatics | 09/26/2026 | 2026 ST ASC IMR IMX Challenge | |
| 494 | Tyler Morris | 42.48 | 10 | BB Min | A: 42.09 (+0.39s | 0.9%) | North Lexington YMCA | 10/10/2026 | 2026 Tsunami Fall Invitational | |
| 495 | Elliott Boland | 42.49 | 10 | BB Min | A: 42.09 (+0.40s | 0.9%) | Academy Swim Club | 09/12/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 496 | Conrad Postle | 42.50 | 10 | BB Min | A: 42.09 (+0.41s | 1.0%) | West Florida Lightning Aquatic | 09/18/2026 | Kiefer Speedo Fall Invitational | |
| 497 | 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 | |
| 498 | 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 | |
| 499 | Adam Boned | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Bergen Barracudas Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 500 | 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 | |
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.