Western Zone Zone Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Cheng Dou | 32.99 | 10 | BB Min | A: 31.09 (+1.90s | 5.8%) | Alto Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 452 | Samuel Tarbell | 32.99 | 10 | BB Min | A: 31.09 (+1.90s | 5.8%) | Colorado Stingrays Swim Team | 09/26/2026 | 2026 CO NJ SC Kick Off Invite | |
| 453 | Kellen Tao | 32.99 | 9 | BB Min | A: 31.09 (+1.90s | 5.8%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 454 | Ryden Ciammaichella | 33.00 | 9 | BB Min | A: 31.09 (+1.91s | 5.8%) | Piedmont Swim Team | 07/10/2026 | Redwood Empire Swim League Championship | |
| 455 | Logan Snodgrass | 33.02 | 10 | BB Min | A: 31.09 (+1.93s | 5.8%) | Denver Swim Academy | 10/10/2026 | 2026 CO FST Swim Pink | |
| 456 | Cooper Casebolt | 33.02 | 10 | BB Min | A: 31.09 (+1.93s | 5.8%) | Life Time Colorado Swim Club | 10/09/2026 | 2026 CO Gian Luc Jordan Open | |
| 457 | Watson Xie | 33.02 | 10 | BB Min | A: 31.09 (+1.93s | 5.8%) | Bellevue Club Swim Team | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 458 | Maxen Cao | 33.05 | 10 | BB Min | A: 31.09 (+1.96s | 5.9%) | Otter Swim Club | 09/18/2026 | PSL Pacifica Season Launch CBA+ Meet | |
| 459 | Lucas Nguyen | 33.06 | 10 | BB Min | A: 31.09 (+1.97s | 6.0%) | Valley Splash | 10/03/2026 | Quicksilver Santa Cruz Competencia 2026 | |
| 460 | Fedor Evstigneev | 33.09 | 9 | BB Min | A: 31.09 (+2.00s | 6.0%) | Santa Clara Swim Club | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | |
| 461 | Wesley Lang | 33.10 | 9 | BB Min | A: 31.09 (+2.01s | 6.1%) | River Road Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 462 | Hugo Pace | 33.10 | 10 | BB Min | A: 31.09 (+2.01s | 6.1%) | Pacifica Sea Lions | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 463 | John Asher | 33.11 | 10 | BB Min | A: 31.09 (+2.02s | 6.1%) | North Coast Aquatics | 09/20/2026 | 2026 SI PS Freestyle Festival Sun | |
| 464 | Flynn Chen | 33.11 | 10 | BB Min | A: 31.09 (+2.02s | 6.1%) | DeAnza Cupertino Aquatics | 10/03/2026 | 2026 De Anza Cupertino Aquatics SC CBA Meet | |
| 465 | Jeffrey Crouse | 33.11 | 10 | BB Min | A: 31.09 (+2.02s | 6.1%) | Livermore AquaCowboys | 07/25/2026 | Zone 2 Summer Championships | |
| 466 | Sullivan Nelson | 33.11 | 10 | BB Min | A: 31.09 (+2.02s | 6.1%) | Evergreen Hurricanes | 09/26/2026 | 2026 CO High Altitude Season Kickoff | |
| 467 | Clayton Williams | 33.12 | 10 | BB Min | A: 31.09 (+2.03s | 6.1%) | Redding Swim Club | 11/22/2025 | Thankswimming Classic 2025 | |
| 468 | Brandon Son | 33.12 | 9 | BB Min | A: 31.09 (+2.03s | 6.1%) | Columbia River Swim Team | 08/07/2026 | Big Kahuna 2026 | |
| 469 | Logan Yip | 33.14 | 10 | BB Min | A: 31.09 (+2.05s | 6.2%) | South San Francisco Aquatics | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 470 | Danylo Marshchivskyi | 33.17 | 8 | BB Min | A: 31.09 (+2.08s | 6.3%) | Blast Sharks | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 471 | Archie McCallum | 33.18 | 8 | BB Min | A: 31.09 (+2.09s | 6.3%) | Poseidon Aquatic Club | 09/26/2026 | 2026 PN UPAC Fall Open Approved | |
| 472 | Brendon Kim | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | H2o Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 473 | Taeyul Heo | 33.20 | 10 | BB Min | A: 31.09 (+2.11s | 6.4%) | Pleasanton Seahawks | 10/10/2026 | SRVA SC C B BB+ Meet | |
| 474 | Owen Matarazzo | 33.21 | 10 | BB Min | A: 31.09 (+2.12s | 6.4%) | The Spartans of La Canada | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 475 | Peter Petkov | 33.22 | 10 | BB Min | A: 31.09 (+2.13s | 6.4%) | California Dolphins Swim Team | 10/10/2026 | Orinda Aquatics PC SC C B BB+ | |
| 476 | Luke Chaikriangkrai | 33.22 | 10 | BB Min | A: 31.09 (+2.13s | 6.4%) | Bayclub Aquatic Swim Team | 09/25/2026 | 2026 BAST Season Kick Off Sprint Approved | |
| 477 | Lowen Kiss | 33.23 | 10 | BB Min | A: 31.09 (+2.14s | 6.4%) | Central Catholic High School | 02/15/2025 | 2025 OR HS 6a 4 | |
| 478 | Kaid Petersen | 33.23 | 8 | BB Min | A: 31.09 (+2.14s | 6.4%) | Port Angeles Swim Club | 10/17/2026 | 2026 PN IST Fall Open Approved | |
| 479 | Harvey Bollefer | 33.28 | 9 | BB Min | A: 31.09 (+2.19s | 6.6%) | Aces Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 480 | Lincoln Miyake | 33.29 | 10 | BB Min | A: 31.09 (+2.20s | 6.6%) | Canyons Aquatic Club | 12/06/2025 | 2025 CA CANY Candy Cane | |
| 481 | Bennett Arguello | 33.30 | 9 | BB Min | A: 31.09 (+2.21s | 6.6%) | Greenwood Tiger Sharks | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 482 | Jeremy Zhao | 33.31 | 9 | BB Min | A: 31.09 (+2.22s | 6.7%) | Quicksilver Swimming | 10/03/2026 | Quicksilver Santa Cruz Competencia 2026 | |
| 483 | Mason Howe | 33.32 | 10 | BB Min | A: 31.09 (+2.23s | 6.7%) | Seattle Metropolitan Aquatic C | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 484 | Kepler Ring | 33.33 | 10 | BB Min | A: 31.09 (+2.24s | 6.7%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 485 | Julius Voigt | 33.34 | 10 | BB Min | A: 31.09 (+2.25s | 6.7%) | Island Aquatics | 09/26/2026 | 2026 MAGSA SCY B 1 Swim Meet | |
| 486 | Caleb Gray | 33.35 | 9 | BB Min | A: 31.09 (+2.26s | 6.8%) | Santa Clara Swim Club | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | |
| 487 | Mario Aoki | 33.36 | 9 | BB Min | A: 31.09 (+2.27s | 6.8%) | Falfins Swimming | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 488 | Jeremiah Lee | 33.36 | 10 | BB Min | A: 31.09 (+2.27s | 6.8%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 489 | Marcus Jensen | 33.37 | 10 | BB Min | A: 31.09 (+2.28s | 6.8%) | Voltage Aquatics | 12/06/2025 | Reindeer Games 2025 | |
| 490 | Conor Gardin | 33.38 | 9 | BB Min | A: 31.09 (+2.29s | 6.9%) | California Capital Aquatics | 09/26/2026 | 2026 CCA Spook Tacular | |
| 491 | Theodore Bohn-Angeli | 33.38 | 10 | BB Min | A: 31.09 (+2.29s | 6.9%) | Shasta YMCA Sharks | 10/10/2026 | Shasta Sharks Bill Fisher Classic 2026 | |
| 492 | Quintus Cheung | 33.38 | 9 | BB Min | A: 31.09 (+2.29s | 6.9%) | Milpitas Aquatic Club | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | |
| 493 | Ezio Ubaldi | 33.39 | 10 | BB Min | A: 31.09 (+2.30s | 6.9%) | Beach Cities Alpha | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 494 | Eddie Bi | 33.41 | 10 | BB Min | A: 31.09 (+2.32s | 6.9%) | California Dolphins Swim Team | 10/10/2026 | Orinda Aquatics PC SC C B BB+ | |
| 495 | Declan Sederholm | 33.42 | 10 | BB Min | A: 31.09 (+2.33s | 7.0%) | Hilltop Aquatic Swim Team | 10/15/2025 | 2025 UT HAST Monster Mash Meet | |
| 496 | Hayden Baltazar | 33.42 | 5 | BB Min | A: 31.09 (+2.33s | 7.0%) | Livermore AquaCowboys | 09/27/2025 | PC LAC C B BB | |
| 497 | Henry Kyles | 33.43 | 10 | BB Min | A: 31.09 (+2.34s | 7.0%) | Bellingham Bay Swim Team | 07/11/2026 | 2026 BBST Final Summer Splash Invite Approved | |
| 498 | Jayden Zhen | 33.44 | 10 | BB Min | A: 31.09 (+2.35s | 7.0%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 499 | Jarvis Qu | 33.44 | 9 | BB Min | A: 31.09 (+2.35s | 7.0%) | Mission Viejo Nadadores | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 500 | Adam Kao | 33.44 | 10 | BB Min | A: 31.09 (+2.35s | 7.0%) | Life Time Oregon Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
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.