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 | |
|---|---|---|---|---|---|---|---|---|---|
| 351 | Zicheng Wang | 44.58 | 10 | BB Min | A: 42.09 (+2.49s | 5.6%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 352 | ZhenLin Zhu | 44.59 | 9 | BB Min | A: 42.09 (+2.50s | 5.6%) | Seal Beach Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 353 | Odin Fisher | 44.60 | 10 | BB Min | A: 42.09 (+2.51s | 5.6%) | King Aquatic Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 354 | Marcus Lin | 44.61 | 8 | BB Min | A: 42.09 (+2.52s | 5.6%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 355 | Samuel Ellsworth | 44.66 | 9 | BB Min | A: 42.09 (+2.57s | 5.8%) | Boise Swim Club | 11/22/2025 | 57th Annual Thanksgiving Invitational | |
| 356 | Charlie Sundberg | 44.66 | 10 | BB Min | A: 42.09 (+2.57s | 5.8%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 357 | Niranjan Bharathan | 44.69 | 10 | BB Min | A: 42.09 (+2.60s | 5.8%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 358 | Travis Zhu | 44.69 | 10 | BB Min | A: 42.09 (+2.60s | 5.8%) | Excel Aquatics | 11/07/2025 | TNAQ 2025 FALL INVITATIONAL | |
| 359 | Kai Thomas | 44.70 | 10 | BB Min | A: 42.09 (+2.61s | 5.8%) | Renegade Aquatics | 01/17/2026 | 2026 SI MRA A BB Meet | |
| 360 | Devin Song | 44.70 | 8 | BB Min | A: 42.09 (+2.61s | 5.8%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 361 | Matthew Winn | 44.70 | 9 | BB Min | A: 42.09 (+2.61s | 5.8%) | Stingray Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 362 | Marco Gonzalez | 44.71 | 10 | BB Min | A: 42.09 (+2.62s | 5.9%) | South Bay Aquatics | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 363 | Leo Zeng | 44.71 | 9 | BB Min | A: 42.09 (+2.62s | 5.9%) | Santa Clara Swim Club | 09/14/2024 | Milpitas Aquatic Club SC CBA+ Meet | |
| 364 | Oliver Tadday | 44.71 | 10 | BB Min | A: 42.09 (+2.62s | 5.9%) | Gold\\\\\\'s Aquatics Club (Camas) | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 365 | Conner Yang | 44.72 | 10 | BB Min | A: 42.09 (+2.63s | 5.9%) | The Dolphins Portland Swimming | 01/10/2026 | 2026 Hood River Winter Invitational | |
| 366 | Patrick Fullerton | 44.74 | 9 | BB Min | A: 42.09 (+2.65s | 5.9%) | South Bay Aquatics | 01/17/2026 | 2026 SBA All Ages A BB Meet | |
| 367 | Simon Stapley | 44.75 | 10 | BB Min | A: 42.09 (+2.66s | 5.9%) | Olympus Aquatics | 12/18/2025 | 2025 OA IMR II Copied | |
| 368 | William Lan | 44.75 | 10 | BB Min | A: 42.09 (+2.66s | 5.9%) | Rancho San Dieguito | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 369 | Finn Scott | 44.79 | 10 | BB Min | A: 42.09 (+2.70s | 6.0%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 370 | Mitchell Sullivan | 44.79 | 10 | BB Min | A: 42.09 (+2.70s | 6.0%) | Dart Swimming | 07/26/2025 | 2025 REAL Championships | |
| 371 | Luke Chaikriangkrai | 44.79 | 9 | BB Min | A: 42.09 (+2.70s | 6.0%) | Pro Swimming | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 372 | Charles Tan | 44.81 | 9 | BB Min | A: 42.09 (+2.72s | 6.1%) | Eastside Aquatic Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 373 | Hunter Atkins | 44.82 | 10 | BB Min | A: 42.09 (+2.73s | 6.1%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 374 | Winston Chase | 44.83 | 9 | BB Min | A: 42.09 (+2.74s | 6.1%) | Utah Valley Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 375 | Jackson Pinkerton | 44.83 | 10 | BB Min | A: 42.09 (+2.74s | 6.1%) | North Bay Aquatics | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 376 | William Zhang | 44.84 | 10 | BB Min | A: 42.09 (+2.75s | 6.1%) | South Orange County Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 377 | Jasper de Szoeke | 44.85 | 10 | BB Min | A: 42.09 (+2.76s | 6.2%) | Corvallis Aquatic Team | 01/03/2026 | 2026 CAT Short Course Open | |
| 378 | Luke Lim | 44.86 | 10 | BB Min | A: 42.09 (+2.77s | 6.2%) | Alto Swim Club | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 379 | Andy Tran | 44.87 | 9 | BB Min | A: 42.09 (+2.78s | 6.2%) | Seattle Metropolitan Aquatic C | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 380 | George Yu | 44.87 | 10 | BB Min | A: 42.09 (+2.78s | 6.2%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 381 | James Milchteim | 44.90 | 9 | BB Min | A: 42.09 (+2.81s | 6.3%) | Bay Club Aquatics | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 382 | Haolin Chen | 44.90 | 9 | BB Min | A: 42.09 (+2.81s | 6.3%) | Pacific Dragons Swim Team | 11/16/2025 | 2025 PN PAC Q Meet | |
| 383 | Max Peterson | 44.94 | 9 | BB Min | A: 42.09 (+2.85s | 6.3%) | Cottonwood Heights Aquatics | 11/07/2025 | 2026 UT CHAT November Intersquad | |
| 384 | Logan Yip | 44.95 | 10 | BB Min | A: 42.09 (+2.86s | 6.4%) | South San Francisco Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 385 | Brian Yu | 44.97 | 10 | BB Min | A: 42.09 (+2.88s | 6.4%) | Dare Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 386 | Solomon Wang | 44.97 | 10 | BB Min | A: 42.09 (+2.88s | 6.4%) | Pacific Swim | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 387 | Stuart Shillington | 44.98 | 10 | BB Min | A: 42.09 (+2.89s | 6.4%) | Team Eugene Aquatics | 12/12/2025 | 2025 TEAM Winter Invitational | |
| 388 | Maxwell Yao | 45.01 | 9 | BB Min | A: 42.09 (+2.92s | 6.5%) | Gilroy Gators Swim Team | 10/25/2025 | GGST Spooktacular 2025 | |
| 389 | Austin Mitchell | 45.04 | 9 | BB Min | A: 42.09 (+2.95s | 6.5%) | Valley Aquatics | 11/22/2025 | 2025 PN November AGI, Div 3 (UPAC) | |
| 390 | Carson Yin | 45.05 | 9 | BB Min | A: 42.09 (+2.96s | 6.6%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 391 | Declan Sederholm | 45.08 | 9 | BB Min | A: 42.09 (+2.99s | 6.6%) | Hilltop Aquatic Swim Team | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 392 | Chayton Zhou | 45.09 | 8 | BB Min | A: 42.09 (+3.00s | 6.7%) | Pleasanton Seahawks | 07/26/2025 | Zone 2 Summer Championships | |
| 393 | Ian Kang | 45.10 | 10 | BB Min | A: 42.09 (+3.01s | 6.7%) | Punahou Aquatics Institute | 02/08/2026 | Aulea Winter Sprint Festival | |
| 394 | Otto Seeber | 45.14 | 9 | BB Min | A: 42.09 (+3.05s | 6.8%) | Flatiron Athletic Club | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 395 | Oliver Gist-Pitts | 45.16 | 9 | BB Min | A: 42.09 (+3.07s | 6.8%) | Boulder Swim Team | 03/14/2025 | 2025 CO NJ Mile High Championships | |
| 396 | Lukas Fort | 45.16 | 8 | BB Min | A: 42.09 (+3.07s | 6.8%) | Bainbridge Island Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 397 | Emrys Davenport | 45.17 | 10 | BB Min | A: 42.09 (+3.08s | 6.8%) | Denver Triton Swim Team | 01/16/2026 | 2026 CO CUDA Classic | |
| 398 | Daniel Reschke | 45.18 | 10 | BB Min | A: 42.09 (+3.09s | 6.8%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 399 | Alan Li | 45.21 | 10 | BB Min | A: 42.09 (+3.12s | 6.9%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 400 | Cameron Watrous | 45.21 | 8 | BB Min | A: 42.09 (+3.12s | 6.9%) | Bellevue Club Swim Team | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
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.