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
4401 Sawyer Mabry 52.16 9 B Min BB: 47.69 (+4.47s | 8.6%) Wild West Aquatic Club 01/23/2026 2026 BD JCAT IMX 2026
4402 William Dillon 52.16 8 B Min BB: 47.69 (+4.47s | 8.6%) Raleigh Swimming Association 02/07/2026 2026 MOR Snowflake 3 Meet
4403 Keegan Kelly 52.16 10 B Min BB: 47.69 (+4.47s | 8.6%) Annapolis Swim Club 11/07/2025 2025 Marlins Invitational
4404 Konstantin Zhou 52.16 9 B Min BB: 47.69 (+4.47s | 8.6%) Cross Island YMCA Barracudas 10/18/2025 2025 MR Flushing Y Junior Swim Championships
4405 Mason Daly 52.17 9 B Min BB: 47.69 (+4.48s | 8.6%) Blue Tide Aquatics 11/02/2024 2024 ShAC 14 Under Meet
4406 Alex Najafov 52.17 10 B Min BB: 47.69 (+4.48s | 8.6%) Asphalt Green Unified Aquatics 12/05/2025 2025 MR NYS Holiday Classic Trials Finals
4407 Dustin Lukasiewicz 52.17 10 B Min BB: 47.69 (+4.48s | 8.6%) Coast Aquatics 10/11/2025 2025 Rick Byers Invitational Copied
4408 Colin Doherty 52.17 9 B Min BB: 47.69 (+4.48s | 8.6%) Huntsville Swim Association 10/17/2025 2025 HSA Fran Norris Meet
4409 Logan Brooks 52.17 9 B Min BB: 47.69 (+4.48s | 8.6%) Nation\\\\\\'s Capital Swim Club 01/10/2026 2026 MAKO POLAR PLUNGE
4410 Edwin Chen 52.17 8 B Min BB: 47.69 (+4.48s | 8.6%) Long Island Express 01/16/2026 2026 MR LIE Winterfest Invitational
4411 Aedan Wilson 52.17 9 B Min BB: 47.69 (+4.48s | 8.6%) Crimson Aquatics 01/16/2026 2026 NE CRIM Bronze Championship
4412 Levi Whitlock 52.17 10 B Min BB: 47.69 (+4.48s | 8.6%) Nova of Virginia 10/24/2025 NOVA Halloween Haunt
4413 Lane Markham 52.17 9 B Min BB: 47.69 (+4.48s | 8.6%) Minnetonka Swim Club 01/30/2026 2026 MN MTKA TYR Team Challenge
4414 Michael Callahan 52.17 10 B Min BB: 47.69 (+4.48s | 8.6%) Sioux Falls Swim Team 01/02/2026 SFST Intrasquad 1 2 26
4415 Chase Iodice 52.18 10 B Min BB: 47.69 (+4.49s | 8.6%) Empire Swimming 12/06/2025 2025 MR PAC 12 U Holiday Invitational
4416 Alexander Fordham 52.18 10 B Min BB: 47.69 (+4.49s | 8.6%) New Wave Swim Team 11/01/2025 WAVE TA NSEA TRiMeet 2025
4417 Maximiliano Frehe 52.18 9 B Min BB: 47.69 (+4.49s | 8.6%) T2 Aquatics 01/17/2025 2025 T2 Aquatics Naples Open
4418 Avery Dennis 52.18 10 B Min BB: 47.69 (+4.49s | 8.6%) Jcc Swimming 11/21/2025 2025 Swim Rock
4419 Jason Wang 52.19 10 B Min BB: 47.69 (+4.50s | 8.6%) Bellingham Bay Swim Team 12/06/2025 2025 PN Fall Divisionals, Division 2
4420 Lucas Li 52.19 8 B Min BB: 47.69 (+4.50s | 8.6%) Alto Swim Club 12/19/2025 ALTO Candy Cane Classic
4421 Jaden McLaughlin 52.19 9 B Min BB: 47.69 (+4.50s | 8.6%) Killer Whales Swim Club 12/12/2025 2025 OR TTSC Holiday Invitational Meet
4422 Colin Hui 52.19 8 B Min BB: 47.69 (+4.50s | 8.6%) Highlands Ranch Aquatics 11/15/2024 2024 CO TOPS Fall Invite
4423 Felix Wang 52.19 9 B Min BB: 47.69 (+4.50s | 8.6%) Eastside Aquatic Swim Team 11/15/2025 2025 PN IST November Invitational
4424 Bennett Withers 52.19 8 B Min BB: 47.69 (+4.50s | 8.6%) Highbridge Aquatics 12/05/2025 2025 Holiday Classic
4425 Oliver Song 52.20 9 B Min BB: 47.69 (+4.51s | 8.6%) H2okie Aquatics 11/07/2025 2025 HOKI November Invitational Copied
4426 Miles Ewy 52.20 9 B Min BB: 47.69 (+4.51s | 8.6%) T2 Aquatics 12/13/2025 2025 T2 Candy Cane Meet
4427 Quinton Lollar 52.20 9 B Min BB: 47.69 (+4.51s | 8.6%) Eagle Swimming Association 02/21/2025 2025 Gulf 12 Under Champs (TASC)
4428 Shreyas Srinivasan 52.20 10 B Min BB: 47.69 (+4.51s | 8.6%) Sailfish Aquatics 10/25/2025 Great Pumpkin Meet 2025
4429 Gordon Song 52.20 9 B Min BB: 47.69 (+4.51s | 8.6%) Arctic Aquatics 11/14/2025 2025 NECRA Nov Distance Specialty Meet Co
4430 Grady Pilger 52.20 9 B Min BB: 47.69 (+4.51s | 8.6%) Swim Melbourne 10/11/2025 TCSC Fall Invitational
4431 Joseph Hager 52.20 10 B Min BB: 47.69 (+4.51s | 8.6%) Rogue Rapids 11/21/2025 2025 Rogue Rapids Sofia Marks Invitational
4432 Addison Yang 52.21 9 B Min BB: 47.69 (+4.52s | 8.7%) First Colony Swim Team, Inc. 11/08/2024 Sharks November Invitational
4433 Connor Letts 52.21 9 B Min BB: 47.69 (+4.52s | 8.7%) Qns Aquatic Club 11/22/2025 2025 MR QNS Protect Ya Turkey Neck Invite
4434 Lucas Lv 52.21 10 B Min BB: 47.69 (+4.52s | 8.7%) Saline Swim Team 11/21/2025 2025 SST Fall Classic
4435 Daniel Cai 52.21 9 B Min BB: 47.69 (+4.52s | 8.7%) All Star Aquatics 10/11/2025 2025 ASA October Kick Off
4436 Luke Skillman 52.21 9 B Min BB: 47.69 (+4.52s | 8.7%) Nova of Virginia 12/05/2025 NOVA December Dip
4437 Kalden Fessler 52.21 10 B Min BB: 47.69 (+4.52s | 8.7%) Kingfish Swimming Medfield 02/06/2026 2026 NE CRA Last Chance February Invite
4438 Tomas Barrios Vivas 52.22 9 B Min BB: 47.69 (+4.53s | 8.7%) YMCA of Central Florida 06/28/2025 2025 FL Summer Area 2 Championships Working
4439 Oliver Morris 52.22 9 B Min BB: 47.69 (+4.53s | 8.7%) Lake Oswego Swim Club 11/07/2025 2025 McSwimville Invitational
4440 Erik Dreke 52.22 6 B Min BB: 47.69 (+4.53s | 8.7%) Riviera Prep (Miami) 10/15/2025 2025 South Florida MS Champs USA S OBS
4441 James Witt 52.22 9 B Min BB: 47.69 (+4.53s | 8.7%) Roseburg Y Swim Team 01/24/2026 Oregon YMCA Championships 2026
4442 Jace Gordon 52.22 9 B Min BB: 47.69 (+4.53s | 8.7%) Los Gatos Swim Club 01/16/2026 2026 Brian Malick Memorial Z1S Championships
4443 Tomaso Pisegna 52.23 9 B Min BB: 47.69 (+4.54s | 8.7%) South Valley Makos 01/16/2026 2026 Brian Malick Memorial Z1S Championships
4444 Atulit Gaur 52.23 9 B Min BB: 47.69 (+4.54s | 8.7%) United Swim Club 12/11/2025 2025 NE SHAWMUT Candy Cane Classic
4445 Yiheng Zhang 52.23 9 B Min BB: 47.69 (+4.54s | 8.7%) Rockville Montgomery Swim Club 11/14/2025 2025 RMSC November Dual Meet
4446 Kensington Hull 52.23 10 B Min BB: 47.69 (+4.54s | 8.7%) Heartland Swim Assoc 01/31/2026 2026 SI HSA All Ages NTS Meet
4447 Graham Carroll 52.23 9 B Min BB: 47.69 (+4.54s | 8.7%) Huntsville Swim Association 02/06/2026 2026 SES Region 3 Champions
4448 Maddox Henry 52.23 10 B Min BB: 47.69 (+4.54s | 8.7%) Lexington Dolphins 12/05/2025 2025 Beaman Toyota Meet Of Champs
4449 Zian de los Angeles 52.23 9 B Min BB: 47.69 (+4.54s | 8.7%) Sprc Stingrays 10/18/2025 2025 RAYS Great Pumpkin Splash Invitational
4450 Michael O'Connell 52.24 9 B Min BB: 47.69 (+4.55s | 8.7%) Riptide Swim Team 11/08/2025 2025 MN WOLF HOWL AT THE MOON INVITE

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.