Western Zone Zone Boys 10 & under - 50 Y Breast

These rankings show the swimmers' placement within their Zone.
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
301 Jaden Shin 43.91 10 BB Min A: 42.09 (+1.82s | 4.1%) Stingray Swim Team 11/15/2025 2025 PN IST November Invitational
302 Oliver Brock 43.93 9 BB Min A: 42.09 (+1.84s | 4.2%) Sierra Marlins Swim Team 12/21/2024 2024 SI Winter Age Group Championships
303 Basil Erickson 43.94 9 BB Min A: 42.09 (+1.85s | 4.2%) Excel Aquatics 12/06/2025 2025 PN Fall Divisionals, Division 1 OCA
304 Jayden Zhu 43.94 10 BB Min A: 42.09 (+1.85s | 4.2%) Otter Swim Club 01/24/2026 2026 Zone 1 North Championships
305 Duke Layco 43.97 10 BB Min A: 42.09 (+1.88s | 4.3%) Hawaii Swimming Club 12/06/2025 45th Annual Ken Suenaga Invitational (SCY)
306 Tripp Liberman 43.98 10 BB Min A: 42.09 (+1.89s | 4.3%) Rocky Mountain Rapids 11/21/2025 2025 RAFC Almost Turkey Invitational
307 Jay Dai 44.01 10 BB Min A: 42.09 (+1.92s | 4.4%) Alto Swim Club 12/19/2025 ALTO Candy Cane Classic
308 Blaze Garcia 44.01 10 BB Min A: 42.09 (+1.92s | 4.4%) Pueblo County Swim Team 01/02/2026 2026 CO COSA New Year Open
309 Evan Wang 44.02 10 BB Min A: 42.09 (+1.93s | 4.4%) Palo Alto Stanford Aquatics 02/13/2026 2026 Neptune Swimming Invitational
310 Norman Glauberman 44.03 10 BB Min A: 42.09 (+1.94s | 4.4%) Sierra Marlins Swim Team 02/13/2026 2026 Neptune Swimming Invitational
311 Charles Webb 44.06 10 BB Min A: 42.09 (+1.97s | 4.5%) Excel Aquatics 01/16/2026 2026 TYR Mardi Gras Invite
312 Aiden Chung 44.08 9 BB Min A: 42.09 (+1.99s | 4.5%) Patriot Swim Club 11/21/2025 2025 CA MVN Turkey Classic
313 Miles MacKintosh 44.09 10 BB Min A: 42.09 (+2.00s | 4.5%) Gold\\\\\\'s Aquatics Club 12/06/2025 2025 PN Fall Divisionals, Division 3 WAVE
314 Rowan Sargent 44.09 9 BB Min A: 42.09 (+2.00s | 4.5%) Flatiron Athletic Club 01/09/2026 2026 CO NJ Narwhal Invitational
315 Zhouhan Yang 44.09 10 BB Min A: 42.09 (+2.00s | 4.5%) Alto Swim Club 01/24/2026 2026 Zone 1 North Championships
316 Asher Young 44.12 9 BB Min A: 42.09 (+2.03s | 4.6%) Terrapins Swim Team 07/26/2025 Zone 2 Summer Championships
317 Daniel Nagaoka 44.15 10 BB Min A: 42.09 (+2.06s | 4.7%) Quicksilver Swimming 01/16/2026 2026 Brian Malick Memorial Z1S Championships
318 Ethan Zhu 44.19 10 BB Min A: 42.09 (+2.10s | 4.8%) DeAnza Cupertino Aquatics 12/06/2025 Alto Dec 6 7 CBA
319 Adam Ma 44.21 10 BB Min A: 42.09 (+2.12s | 4.8%) California Dolphins Swim Team 01/31/2026 Zone 2 Winter Championship Meet
320 Teddy Nichols 44.22 9 BB Min A: 42.09 (+2.13s | 4.8%) Seals Aquatics 11/08/2025 TCA PC November SC C B A+
321 Cortez Dunn 44.22 10 BB Min A: 42.09 (+2.13s | 4.8%) Mission Viejo Nadadores 11/21/2025 2025 CA MVN Turkey Classic
322 Lincoln Miyake 44.23 9 BB Min A: 42.09 (+2.14s | 4.8%) Canyons Aquatic Club 12/06/2025 2025 CA CANY Candy Cane
323 Deren Chai 44.23 10 BB Min A: 42.09 (+2.14s | 4.8%) Pleasanton Seahawks 01/31/2026 Zone 2 Winter Championship Meet
324 Ryan Xie 44.25 9 BB Min A: 42.09 (+2.16s | 4.9%) Cascadia Swimming 02/15/2026 2026 OR CB Valentine Last Chance Invitational
325 Nicholas Mosendz 44.26 9 BB Min A: 42.09 (+2.17s | 4.9%) Santa Clara Swim Club 01/16/2026 2026 Brian Malick Memorial Z1S Championships
326 Gregory Lee 44.27 10 BB Min A: 42.09 (+2.18s | 4.9%) Palo Alto Stanford Aquatics 01/24/2026 2026 Zone 1 North Championships
327 Thomas Sedano 44.28 9 BB Min A: 42.09 (+2.19s | 4.9%) Monterey Bay Swim Club 01/16/2026 2026 Brian Malick Memorial Z1S Championships
328 Andrew Xie 44.29 10 BB Min A: 42.09 (+2.20s | 5.0%) Tualatin Hills Swim Club 11/07/2025 2025 THSC November Open
329 Mark Kiselev 44.29 9 BB Min A: 42.09 (+2.20s | 5.0%) Royal Swim Team 12/12/2025 2025 CA SCS RAA WAG
330 Ryan Koh 44.29 10 BB Min A: 42.09 (+2.20s | 5.0%) Quicksilver Swimming 01/16/2026 2026 Brian Malick Memorial Z1S Championships
331 Romi Jones 44.30 9 BB Min A: 42.09 (+2.21s | 5.0%) Sandpipers of Nevada 07/11/2025 July 2025 Rock The Blocks
332 Bryce Gardin 44.38 9 BB Min A: 42.09 (+2.29s | 5.2%) California Capital Aquatics 02/14/2025 2025 Neptune Swimming Invitational
333 Sebastian Hartline 44.40 10 BB Min A: 42.09 (+2.31s | 5.2%) Multnomah Athletic Club 10/17/2025 2025 THSC Fall Open
334 Caleb Taussig 44.40 9 BB Min A: 42.09 (+2.31s | 5.2%) Denver Swim Academy 01/02/2026 2026 CO COSA New Year Open
335 Divyanshu Bista 44.41 10 BB Min A: 42.09 (+2.32s | 5.2%) Apex 10/17/2025 2025 CST Harvest Open
336 Ryan Han 44.41 10 BB Min A: 42.09 (+2.32s | 5.2%) Quicksilver Swimming 04/26/2025 Pacific Swimming 10 Under SC Championships
337 Jason Feng 44.45 9 BB Min A: 42.09 (+2.36s | 5.3%) Boys & Girls Club of SF 03/22/2025 PSL SC CBA+ Meet
338 Odin Child 44.45 10 BB Min A: 42.09 (+2.36s | 5.3%) Wasatch Front Fish Market 10/15/2025 WFFM October Developmental
339 Bruce Asmega 44.46 10 BB Min A: 42.09 (+2.37s | 5.3%) Pacifica Sea Lions 02/07/2026 2026 PSL Super Finals Invitational
340 Jason Korajkic 44.46 10 BB Min A: 42.09 (+2.37s | 5.3%) Walnut Creek Aquabears 05/18/2025 Montclair 14 Under Short Course Pentathlon
341 Paxton Goldsborough 44.46 9 BB Min A: 42.09 (+2.37s | 5.3%) Academy Swim Club 10/25/2025 2025 HI 25th Annual Bill Smith Invitational
342 Michael Cheng 44.46 8 BB Min A: 42.09 (+2.37s | 5.3%) Brea Aquatics 11/21/2025 2025 CA MVN Turkey Classic
343 Tatsumasa Sekine 44.47 9 BB Min A: 42.09 (+2.38s | 5.4%) Santa Clara Swim Club 02/07/2026 Valley Splash Short Course C B A Meet
344 Michael Campbell 44.49 9 BB Min A: 42.09 (+2.40s | 5.4%) Birmingham \\\\\\'y\\\\\\' Blue Dolphins 11/08/2025 Atlantis 2025 Fall Quack Tack Ular
345 Leo Gazzard 44.52 8 BB Min A: 42.09 (+2.43s | 5.5%) Bellevue Club Swim Team 12/12/2025 2025 PN 14 Under Short Course Champs APPROVED
346 Cody Ho 44.52 10 BB Min A: 42.09 (+2.43s | 5.5%) Daland Swim Team 12/12/2025 2025 CA GWSC Winter Age Group Invitational
347 Jeffrey Crouse 44.52 10 BB Min A: 42.09 (+2.43s | 5.5%) Livermore AquaCowboys 01/31/2026 Zone 2 Winter Championship Meet
348 Nolan Chan 44.54 10 BB Min A: 42.09 (+2.45s | 5.5%) Phoenix Swimming 10/11/2025 2025 NE PHX Oct Meet Copied
25 Breast
44.58
44.58
50 Breast
0.-4
44.54
50 Breast
44.54
349 Ahmet Okyay 44.56 10 BB Min A: 42.09 (+2.47s | 5.5%) Alto Swim Club 01/24/2026 2026 Zone 1 North Championships
350 Mason Sovich 44.58 9 BB Min A: 42.09 (+2.49s | 5.6%) Olympic Cascade Aquatics 01/18/2026 2026 PN BC Snowflake Classic Invite Approved

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.