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
451 Luke Song 53.58 9 BB Min A: 47.89 (+5.69s | 10.6%) Tri-city Channel Cats 07/25/2025 2025 IES LC CHAMPIONSHIPS
452 Kent Johnson 53.63 8 BB Min A: 47.89 (+5.74s | 10.7%) Area Tallahassee Aquatic Club 06/06/2025 2025 MAKOS Summer Splash
453 Luke Chaikriangkrai 53.64 8 BB Min A: 47.89 (+5.75s | 10.7%) Pro Swimming 07/24/2025 2025 PN LC 12 U Championships
454 Kyle Wang 53.67 9 BB Min A: 47.89 (+5.78s | 10.8%) Freedom Aquatics 08/06/2025 2025 Summer Elite Showcase
455 Mayson Lu 53.69 10 BB Min A: 47.89 (+5.80s | 10.8%) Racer X Aquatics 06/12/2025 Holtrey Summer Classic
456 Calvin Larkin 53.72 8 BB Min A: 47.89 (+5.83s | 10.9%) Bend Swim Club 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
457 Devin Song 53.73 8 BB Min A: 47.89 (+5.84s | 10.9%) Rose Bowl Aquatics 06/12/2025 2025 CA SCS RAA June Age Group Championships
458 Jasper de Szoeke 53.75 9 BB Min A: 47.89 (+5.86s | 10.9%) Corvallis Aquatic Team 05/30/2025 LA OPEN 2025
459 Odin Child 53.78 10 BB Min A: 47.89 (+5.89s | 11.0%) Wasatch Front Fish Market 07/17/2025 2025 UTAGS LC Championships
460 Ahmet Okyay 53.78 9 BB Min A: 47.89 (+5.89s | 11.0%) Alto Swim Club 04/19/2025 Alto Spring Jam Meet
461 Chayton Zhou 53.79 8 BB Min A: 47.89 (+5.90s | 11.0%) Pleasanton Seahawks 06/07/2025 2025 06 07 CDST LC C B BB+ Meet
462 Hayk Asatryan 53.80 9 BB Min A: 47.89 (+5.91s | 11.0%) Milpitas Aquatic Club 05/23/2025 Zone 1 South May Firecracker 500
463 Ansel Witkowski 53.83 8 BB Min A: 47.89 (+5.94s | 11.0%) Puma Aquatic Team 07/16/2025 Renee And Jim Patterson Meet 2025
25 Breast
1:11.22
1:11.22
50 Breast
-17.-39
53.83
50 Breast
53.83
464 Cameron Wright 53.83 8 BB Min A: 47.89 (+5.94s | 11.0%) Edina Swim Club 05/29/2025 2025 MN WOLF HUFF N PUFF INVITE
465 Liam Bundick 53.84 9 BB Min A: 47.89 (+5.95s | 11.1%) Alamo Area Aquatic Association 06/20/2025 2025 ST AAAA NS George Block Invite
466 Wesley Wei 53.84 9 BB Min A: 47.89 (+5.95s | 11.1%) Seattle Metropolitan Aquatic C 06/27/2025 2025 PN SMAC Summer Classic Invitational
467 Liam Reyes 53.85 9 BB Min A: 47.89 (+5.96s | 11.1%) Unattached 07/12/2025 2025 Silver State Championships
468 Aarav Narayan 53.86 10 BB Min A: 47.89 (+5.97s | 11.1%) California Gold 05/24/2025 2025 Tiger Aquatics C B BB+ Memorial Day Meet
469 Arthur Shackelton 53.86 9 BB Min A: 47.89 (+5.97s | 11.1%) Lakeridge Swim Team 06/20/2025 Reno Aquatic Club Gamble
470 Samuel Ambrose 53.87 10 BB Min A: 47.89 (+5.98s | 11.1%) Cascade Swim Club 06/20/2025 2025 IE VS Starlight Open
471 Young Sun 53.93 8 BB Min A: 47.89 (+6.04s | 11.2%) Pro Swimming 07/24/2025 2025 PN LC 12 U Championships
472 Ethan Zhu 53.97 10 BB Min A: 47.89 (+6.08s | 11.3%) Southwest Stars Swim Club 05/16/2025 2025 PA Long Course Invite
473 Hei Chan 53.98 9 BB Min A: 47.89 (+6.09s | 11.3%) Alto Swim Club 04/19/2025 Alto Spring Jam Meet
474 Finlay Nelson 53.99 10 BB Min A: 47.89 (+6.10s | 11.3%) AC Swim Club 05/17/2025 Neptune Swimming May Long Course Meet
475 Stuart Shillington 53.99 9 BB Min A: 47.89 (+6.10s | 11.3%) Team Eugene Aquatics 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
476 Jayden Zhu 54.01 10 BB Min A: 47.89 (+6.12s | 11.3%) Otter Swim Club 04/19/2025 Alto Spring Jam Meet
477 James Lehn 54.02 10 BB Min A: 47.89 (+6.13s | 11.3%) Hastings Y Aquatic Club 02/01/2026 2026 MW App HG Scott Usher Pentathlon
478 Charles Knigge 54.03 9 BB Min A: 47.89 (+6.14s | 11.4%) Spokane Waves Aquatic Team 07/25/2025 2025 IES LC CHAMPIONSHIPS
479 Colt Sivells 54.03 9 BB Min A: 47.89 (+6.14s | 11.4%) Southwest Stars Swim Club 05/16/2025 2025 PA Long Course Invite
480 Lawson Kroon 54.03 8 BB Min A: 47.89 (+6.14s | 11.4%) Pierre Swim Team 07/18/2025 2025 SD State Long Course Meet
481 Neo Perera 54.06 9 BB Min A: 47.89 (+6.17s | 11.4%) Los Altos Mountain View Aquati 05/17/2025 2025 LAMV SCM C B A+
482 Samuel Fuerstneau 54.06 9 BB Min A: 47.89 (+6.17s | 11.4%) Edina Swim Club 07/23/2025 2025 MN NSAC 10 U LC State Championship
483 Brooks Poshusta 54.07 9 BB Min A: 47.89 (+6.18s | 11.4%) Eastmont 07/25/2025 2025 IES LC CHAMPIONSHIPS
484 Muyang He 54.08 9 BB Min A: 47.89 (+6.19s | 11.4%) Santa Clara Swim Club 07/19/2025 Santa Clara Valley Splash Block Party
485 Caleb Pan 54.10 9 BB Min A: 47.89 (+6.21s | 11.5%) West Coast Aquatics 07/18/2025 2025 PN Chinook Age Group Seattle Open
486 Samuel Ellsworth 54.10 9 BB Min A: 47.89 (+6.21s | 11.5%) Boise Swim Club 07/18/2025 2025 LCM Summer Championships
487 Bishoy Basaly 54.10 10 BB Min A: 47.89 (+6.21s | 11.5%) Swim Melbourne 05/03/2025 TCSC Go For The Gold Invitational
488 Kaden Wu 54.13 9 BB Min A: 47.89 (+6.24s | 11.5%) Denver Swim Academy 04/26/2025 2025 CO FST Spring LC Fever
489 Dean Deliessche 54.14 9 BB Min A: 47.89 (+6.25s | 11.5%) Trident Aquatic Club 08/06/2025 2025 Summer Elite Showcase
490 Alexander Rich 54.14 9 BB Min A: 47.89 (+6.25s | 11.5%) Maverick Aquatics 06/19/2025 2025 CO Grand Junction Invitational
491 Jack Swaffin-Smith 54.14 10 BB Min A: 47.89 (+6.25s | 11.5%) Unattached 04/19/2025 Alto Spring Jam Meet
492 Zachary DeLozier 54.15 8 BB Min A: 47.89 (+6.26s | 11.6%) Lake Oswego Swim Club 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
493 Sebastian Hartline 54.15 9 BB Min A: 47.89 (+6.26s | 11.6%) Multnomah Athletic Club 06/07/2025 2025 OR CRST Summer Blast 2
494 Ezz Abdelhadi 54.15 8 BB Min A: 47.89 (+6.26s | 11.6%) Burlingame Aquatics 04/27/2024 Alto Spring Jam
495 Symon Kartsev 54.15 9 BB Min A: 47.89 (+6.26s | 11.6%) Sailfish 04/05/2025 2025 ST TXLA 10 U Long Course Kick Off
496 Nicolas Bastida Gonzalez 54.18 9 BB Min A: 47.89 (+6.29s | 11.6%) Titanes de Tym 05/02/2025 2025 ST 22nd Annual Cinco De Mayo
497 Duke Guo 54.19 8 BB Min A: 47.89 (+6.30s | 11.6%) McAllen Swim Club 06/27/2025 2025 ST HPAC Long Course STX Championship
498 Haoran Cong 54.20 9 BB Min A: 47.89 (+6.31s | 11.6%) Bellevue Club Swim Team 05/02/2025 2025 PN BC May Flowers
499 Drew Manning 54.21 9 BB Min A: 47.89 (+6.32s | 11.7%) Clovis Swim Club 06/22/2024 2024 FDST June A B Modified LC Invitational
500 Lucas Pisoni 54.21 10 BB Min A: 47.89 (+6.32s | 11.7%) Neptune Swimming 05/17/2025 Neptune Swimming May Long Course Meet

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.