USA Boys 10 & under - 50 M 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 Cullen Worthington 54.92 9 B Min BB: 54.39 (+0.53s | 1.0%) Nova of Virginia 07/11/2024 2024 RAYS Summer Awards
552 Deren Chai 54.95 10 B Min BB: 54.39 (+0.56s | 1.0%) Pleasanton Seahawks 05/24/2025 2025 Tiger Aquatics C B BB+ Memorial Day Meet
553 Leo Zeng 54.95 9 B Min BB: 54.39 (+0.56s | 1.0%) Santa Clara Swim Club 06/28/2024 2024 Valley Splash Zone 1S LCM C B A+
554 Oleg Rassadin 54.97 7 B Min BB: 54.39 (+0.58s | 1.1%) Denver Swim Academy 07/11/2025 2025 CO ACES DSA Summer Blast Last Chance
555 Ethan Lee 54.97 10 B Min BB: 54.39 (+0.58s | 1.1%) Life Time Michigan Swim Team 01/27/2026 January 2026 Life Time Michigan Intersquad
556 Idhaant Kamat 55.00 10 B Min BB: 54.39 (+0.61s | 1.1%) Horizon Swimming 07/16/2025 Renee And Jim Patterson Meet 2025
25 Breast
56.18
56.18
50 Breast
-1.-18
55.00
50 Breast
55.00
557 Nhat Tran 55.01 9 B Min BB: 54.39 (+0.62s | 1.1%) Olympic Cascade Aquatics 07/11/2025 2025 PN OCA July Jamboree Invitational
558 Deniz Gokbulut 55.03 9 B Min BB: 54.39 (+0.64s | 1.2%) Pro Swimming 07/11/2025 2025 PN OCA July Jamboree Invitational
559 Daniel Reschke 55.07 9 B Min BB: 54.39 (+0.68s | 1.2%) Alto Swim Club 07/19/2025 Alto Last Splash
560 Seth Nareedokmai 55.07 7 B Min BB: 54.39 (+0.68s | 1.2%) Jcc Sailfish 06/12/2025 Holtrey Summer Classic
561 Colin Hui 55.08 9 B Min BB: 54.39 (+0.69s | 1.3%) Highlands Ranch Aquatics 07/25/2025 2025 CO CSI Age Group Championships
562 Brayden Arencibia 55.13 9 B Min BB: 54.39 (+0.74s | 1.3%) Battlefield Area Star Swimmers 07/11/2024 2024 RAYS Summer Awards
563 Luca Desset 55.14 9 B Min BB: 54.39 (+0.75s | 1.4%) Unattached 06/20/2025 72nd Annual Ted Walker Invitational
564 Caleb Verner 55.16 8 B Min BB: 54.39 (+0.77s | 1.4%) Riptide Swim Team 07/23/2025 2025 MN NSAC 10 U LC State Championship
565 Matthew Bennett 55.17 9 B Min BB: 54.39 (+0.78s | 1.4%) Pipeline Swimming 07/04/2025 2025 SPA S SEMINOLE SUNRISE LANES SWIM MEET
566 Yangyang Xu 55.20 9 B Min BB: 54.39 (+0.81s | 1.5%) Pacific Dragons Swim Team 06/14/2025 2025 IST June Invtational
567 Alexander Zhang 55.20 8 B Min BB: 54.39 (+0.81s | 1.5%) Alamo Area Aquatic Association 06/20/2025 2025 ST AAAA NS George Block Invite
568 Luca Goulet 55.20 9 B Min BB: 54.39 (+0.81s | 1.5%) King Aquatic Club 05/31/2025 2025 PN VAST Summer Sprints And Distance Chal
569 Owen Deis 55.21 9 B Min BB: 54.39 (+0.82s | 1.5%) Clovis Swim Club 05/24/2025 2025 Mike Snyder Memorial
570 Cameron Ecklof 55.23 9 B Min BB: 54.39 (+0.84s | 1.5%) Sporting Jax Aquatic Club 07/25/2025 2025 Area 1 LCM Championships
571 Noah Gaal 55.23 8 B Min BB: 54.39 (+0.84s | 1.5%) Aces Swim Club 07/25/2025 2025 CO CSI Age Group Championships
572 Michael Evans 55.25 9 B Min BB: 54.39 (+0.86s | 1.6%) Sea Dragon Aquatics 05/03/2025 2025 Sea Dragon May Open
573 Kai Hawkes 55.25 9 B Min BB: 54.39 (+0.86s | 1.6%) Unattached 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
574 Muze Teng 55.25 10 B Min BB: 54.39 (+0.86s | 1.6%) Cascadia Swimming 11/01/2025 Oregon City Fall Open 2025
575 Lochlan Kelly 55.26 10 B Min BB: 54.39 (+0.87s | 1.6%) Tuna Swim Club 07/18/2025 2025 MN TUNA Minnesota Regional Championship
576 Thomas Louzao 55.26 9 B Min BB: 54.39 (+0.87s | 1.6%) Asphalt Green Unified Aquatics 08/06/2025 2025 Summer Elite Showcase
577 Seth Overstreet 55.29 8 B Min BB: 54.39 (+0.90s | 1.6%) Quest Swimming 05/04/2024 BASS Jim Frye Memorial Invitational May 202
578 Gavin Yin 55.29 10 B Min BB: 54.39 (+0.90s | 1.6%) Austin Swim Club 05/31/2025 2025 ST ASC June Bug
579 Adam Ma 55.29 9 B Min BB: 54.39 (+0.90s | 1.6%) California Dolphins Swim Team 04/12/2025 PC BSW LCM C B BB+ Meet
580 Niranjan Bharathan 55.30 10 B Min BB: 54.39 (+0.91s | 1.6%) Tualatin Hills Swim Club 07/05/2025 2025 OR CRST Summer Blast 3
581 Kevin Nguyen 55.32 9 B Min BB: 54.39 (+0.93s | 1.7%) Legacy Aquatics 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
582 Ian Chan 55.32 10 B Min BB: 54.39 (+0.93s | 1.7%) Trident Aquatic Club 08/06/2025 2025 Summer Elite Showcase
583 Savelii Dorofieiev 55.33 9 B Min BB: 54.39 (+0.94s | 1.7%) Saint Petersburg Aquatics 07/04/2025 2025 SPA S SEMINOLE SUNRISE LANES SWIM MEET
584 Logan Young 55.35 10 B Min BB: 54.39 (+0.96s | 1.7%) Wasatch Front Fish Market 05/20/2025 Kearns LC Classic
585 Zachary Mokhiber 55.36 9 B Min BB: 54.39 (+0.97s | 1.8%) T2 Aquatics 05/23/2025 2025 T2 Aquatics Norris Foundation LC Meet
586 Owen Zhuang 55.36 9 B Min BB: 54.39 (+0.97s | 1.8%) DeAnza Cupertino Aquatics 05/16/2025 2025 DACA LC CBA Meet
587 Darian Caprita 55.36 10 B Min BB: 54.39 (+0.97s | 1.8%) Palo Alto Stanford Aquatics 05/30/2025 VJO S Tuffy Williams Summer Kickoff Classic
588 Owen Bronson 55.38 9 B Min BB: 54.39 (+0.99s | 1.8%) Legacy Aquatics 11/01/2025 Oregon City Fall Open 2025
589 Lucas Tang 55.39 9 B Min BB: 54.39 (+1.00s | 1.8%) Alamo Area Aquatic Association 05/07/2025 2025 ST AAAA NS May Race Night
590 Zhengran Shao 55.42 10 B Min BB: 54.39 (+1.03s | 1.9%) Bolles School Sharks 07/25/2025 2025 Area 1 LCM Championships
591 Sean Ning 55.43 10 B Min BB: 54.39 (+1.04s | 1.9%) YMCA of Central Florida 06/12/2025 2025 RAFC Summer Solstice
592 Asher Mormino 55.44 9 B Min BB: 54.39 (+1.05s | 1.9%) Bend Swim Club 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
593 Calvin Alezeau 55.47 10 B Min BB: 54.39 (+1.08s | 1.9%) Unattached 05/23/2025 2025 Intermountain Classic Long Course Meet
594 Abraham Polisuk 55.47 9 B Min BB: 54.39 (+1.08s | 1.9%) Gator Swim Club 05/30/2025 Hydro4 Summer Open
595 Lucas De Soto Mejias 55.48 9 B Min BB: 54.39 (+1.09s | 2.0%) Bolles School Sharks 07/25/2025 2025 Area 1 LCM Championships
596 Gage Sena 55.51 9 B Min BB: 54.39 (+1.12s | 2.0%) Lamarlins Swim Team, Inc. 07/12/2025 2025 Canon City Pentathlon
597 Leo Lafferty 55.51 9 B Min BB: 54.39 (+1.12s | 2.0%) Westlake Aquatic Facility 06/20/2025 2025 ST AAAA NS George Block Invite
598 Austin Mitchell 55.51 9 B Min BB: 54.39 (+1.12s | 2.0%) Valley Aquatics 06/20/2025 2025 IE VS Starlight Open
599 Lincoln Matthews 55.54 10 B Min BB: 54.39 (+1.15s | 2.1%) North Bay Aquatics 06/21/2025 NVST Last Chance AG Champs Summer Plunge 2025
600 Solomon Fox 55.54 7 B Min BB: 54.39 (+1.15s | 2.1%) Burlingame Aquatics 06/09/2023 Burlingame Aquatic Club Long Course CBA

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.