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
5301 William Seo 53.61 9 B: 53.39 (+0.22s | 0.4%) Bethesda-Chevy Chase YMCA 11/14/2025 2025PV November Open Fairland
5302 Namin Tangpong 53.61 8 B: 53.39 (+0.22s | 0.4%) Northern Lights Swimming Assoc 02/14/2026 2026 MN NLSA Marlins Swimming FEBRUARY Invite
5303 Derek Zhu 53.61 9 B: 53.39 (+0.22s | 0.4%) Chinook Aquatic Club 11/09/2025 2025 PN C Pentathlon
5304 Adam Yadlosky 53.62 10 B: 53.39 (+0.23s | 0.4%) Waves Of Wilmington Inc 01/24/2026 2026 WOW Tri County Classic
5305 Jared Chen 53.62 10 B: 53.39 (+0.23s | 0.4%) Qns Aquatic Club 02/07/2026 2026 MR QNS We Fly High Invitational
5306 Isaac Welmerink 53.62 9 B: 53.39 (+0.23s | 0.4%) Lakeridge Swim Team 01/16/2026 2026 Blizzard Blast Swim Meet
5307 Nolan Hunter 53.62 9 B: 53.39 (+0.23s | 0.4%) Rushmore Swim Team 01/30/2026 2026 SD Capital City Qualifier
5308 Cole Morsch 53.62 10 B: 53.39 (+0.23s | 0.4%) Tuna Swim Club 01/24/2026 2026 MN Tuna Frozen Festival
5309 Samuel Karasin 53.62 9 B: 53.39 (+0.23s | 0.4%) YMCA of Metro North Tritons 12/05/2025 2025 NE YNS Reid Sacco Prelims Finals Invite
5310 Bodhi Sharma 53.62 10 B: 53.39 (+0.23s | 0.4%) Opelika Swim Team 09/20/2025 OST Fall Invite
5311 Paxton Sellers 53.63 9 B: 53.39 (+0.24s | 0.4%) Dolphin Club 10/24/2025 NOVA Halloween Haunt
5312 Callan Purcell 53.63 10 B: 53.39 (+0.24s | 0.4%) Life Time Colorado Swim Club 02/13/2026 2026 CO Valentine Open
5313 Albert Yang 53.63 8 B: 53.39 (+0.24s | 0.4%) California Dolphins Swim Team 11/08/2025 Albany Armada Aquatics C B BB+ Meet
5314 Greyson Bobev 53.63 8 B: 53.39 (+0.24s | 0.4%) The Berkeley Barracudas 10/10/2025 2025 GTSA TYR Swim Classic
5315 Kylen Liska-Duby 53.64 8 B: 53.39 (+0.25s | 0.5%) Dexter Community Aquatic Club 02/28/2026 2026 Last Chance Meet
5316 Porter Harris 53.64 8 B: 53.39 (+0.25s | 0.5%) Memphis Thunder Aquatic Club 01/16/2026 2026 Gabrielle Rose Tiger Classic
5317 Leo Rossi 53.64 10 B: 53.39 (+0.25s | 0.5%) Mecklenburg Swim Association 11/07/2025 2025 EAC Cornucopia Classic
5318 Colton Fisher 53.64 9 B: 53.39 (+0.25s | 0.5%) Quince Orchard Swim Academy 10/10/2025 2025 PV October Open Fairland
5319 Leland Urban 53.64 8 B: 53.39 (+0.25s | 0.5%) City of Mobile Swim Associatio 02/13/2026 2026 SES Region 4 Championships
5320 Edward Strok 53.64 8 B: 53.39 (+0.25s | 0.5%) Asphalt Green Unified Aquatics 01/30/2026 2026 MR LIE Second Chance Invitational
5321 Jack Tansey 53.65 9 B: 53.39 (+0.26s | 0.5%) Oly Swimming 02/06/2026 2026 Michigan Open
5322 Cameron Gular 53.65 10 B: 53.39 (+0.26s | 0.5%) Coast Gaurd Blue Dolphins 02/13/2026 2026 Southeast District 9 12 Championship
5323 Roman Kappa 53.65 8 B: 53.39 (+0.26s | 0.5%) Lakewood Ranch Swim Associatio 02/21/2026 CCS Last Chance Meet Feb 2026
5324 Rex Rauch 53.65 9 B: 53.39 (+0.26s | 0.5%) South East Metro Sharks 11/22/2025 2025 MN Hast Nov IMX
5325 Maksim Kozomara 53.65 9 B: 53.39 (+0.26s | 0.5%) Nashville Aquatic Club 02/21/2026 2026 SES Region 1 8 And Under Championships
5326 James Dyatlovitsky 53.65 7 B: 53.39 (+0.26s | 0.5%) Excel Aquatics 11/01/2025 2025 Pumpkin Spice Splash
5327 Caleb Hurley 53.65 8 B: 53.39 (+0.26s | 0.5%) San Ramon Valley Aquatics 09/28/2024 Orinda Aquatics SC C B BB+ Meet
5328 Caiden Gemmell 53.65 8 B: 53.39 (+0.26s | 0.5%) Tampa Y Swimming 01/09/2026 2026 FAST Polar Plunge
5329 Samar Garg 53.66 8 B: 53.39 (+0.27s | 0.5%) Westlake Aquatic Facility 12/14/2024 2024 ST WOW Hot Chocolate Jamboree
5330 Ori Lowenthal 53.67 9 B: 53.39 (+0.28s | 0.5%) Front Range Barracudas 01/16/2026 2026 CO CUDA Classic
5331 Ethan Ryder 53.67 10 B: 53.39 (+0.28s | 0.5%) Mystic Hammerheads 02/01/2026 2026 NE NCYW 36th Annual YMCA Pentathlon
5332 Eduardo Rodriguez 53.67 9 B: 53.39 (+0.28s | 0.5%) Houston Waves Swim Club 12/20/2024 2024 Gulf Fall Champs (ESCA AMBU)
5333 Wayke Lecouris 53.67 8 B: 53.39 (+0.28s | 0.5%) Sun Coast Swim Team 07/25/2025 2025 Summer Area 3 Championships
5334 Brandon Chen 53.67 8 B: 53.39 (+0.28s | 0.5%) Coronado Swim -team Elite 10/11/2025 2025 SI RSD All Ages B C Meet
5335 Henry Rambicure 53.68 9 B: 53.39 (+0.29s | 0.5%) Saint Petersburg Aquatics 01/23/2026 BLOOMIN FAST SWIM MEET
5336 Cody Darnell 53.68 10 B: 53.39 (+0.29s | 0.5%) South Valley Makos 10/17/2025 2025 KING OF THE HILL CHALLENGE
5337 Connor Groh 53.68 9 B: 53.39 (+0.29s | 0.5%) Rockville Montgomery Swim Club 12/05/2025 2025 Christmas Championships
5338 Brixton Kendall 53.68 10 B: 53.39 (+0.29s | 0.5%) Killer Whales Swim Club 01/10/2026 2026 Hood River Winter Invitational
5339 Logan Anderson 53.68 9 B: 53.39 (+0.29s | 0.5%) Wright County Wave Swim Club 01/30/2026 2026 MN MTKA TYR Team Challenge
5340 Kevin Lee 53.68 8 B: 53.39 (+0.29s | 0.5%) Waterloo Swimming 01/17/2026 2026 ST AQTX B Champs North
5341 Benjamin Krett 53.68 9 B: 53.39 (+0.29s | 0.5%) Denver Swim Academy 01/23/2026 2026 CO TOPS Colorado Open
5342 Jonah Ure 53.69 10 B: 53.39 (+0.30s | 0.6%) Sporting Jax Aquatic Club 02/20/2026 2026 Area 1 Spring Championships
5343 Henrik Lukehart 53.69 11 B: 53.39 (+0.30s | 0.6%) Millard Aquatic Club 01/11/2026 2026 MW CBSC Dive Into 2026
5344 Caleb Campos 53.69 9 B: 53.39 (+0.30s | 0.6%) San Gabriel Aquatics 03/29/2025 2025 ST SGA Spring Fling Meet
5345 Jack Wilson 53.69 10 B: 53.39 (+0.30s | 0.6%) Nation\\\\\\'s Capital Swim Club 12/12/2025 2025 MAKO HOLIDAY INVITATIONAL
5346 James Mimaki 53.69 9 B: 53.39 (+0.30s | 0.6%) Bluefish Swim Club 01/02/2026 2026 NE INST ABF Blizzard Classic
5347 Noah Kim 53.69 10 B: 53.39 (+0.30s | 0.6%) Issaquah Swim Team 12/06/2025 2025 PN Fall Divisionals, Division 2
5348 Larson Memont 53.69 9 B: 53.39 (+0.30s | 0.6%) Andover-North Andover YMCA Hur 01/03/2026 2026 NE GLYB A Cookie Classic
5349 Edward Byrnes 53.70 10 B: 53.39 (+0.31s | 0.6%) Las Cruces Aquatic Team 01/23/2026 2026 BD JCAT IMX 2026
5350 Robin Zhuang 53.70 8 B: 53.39 (+0.31s | 0.6%) Brea Aquatics 11/21/2025 2025 CA MVN Turkey Classic

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.