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 | George Yu | 32.69 | 9 | BB Min | A: 31.09 (+1.60s | 4.9%) | Santa Clara Swim Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 452 | Brian Yu | 32.69 | 10 | BB Min | A: 31.09 (+1.60s | 4.9%) | Dare Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 453 | Yong-Jun Yu | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 454 | Liam O'Brien | 32.70 | 9 | BB Min | A: 31.09 (+1.61s | 4.9%) | Walnut Creek Aquabears | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 455 | Kai Jo | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | Punahou Aquatics Institute | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 456 | Cortez Dunn | 32.71 | 10 | BB Min | A: 31.09 (+1.62s | 5.0%) | Mission Viejo Nadadores | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 457 | Preston Tran | 32.71 | 9 | BB Min | A: 31.09 (+1.62s | 5.0%) | Irvine Novaquatics | 02/14/2025 | 2025 CCS SCY AGC | |
| 458 | Aiden Mulcahy | 32.71 | 10 | BB Min | A: 31.09 (+1.62s | 5.0%) | Aulea Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 459 | Yixuan Zhu | 32.73 | 10 | BB Min | A: 31.09 (+1.64s | 5.0%) | Pleasanton Seahawks | 01/10/2026 | Pleasanton Seahawks SCY C B BB+ Meet | |
| 460 | Owen Pritchett | 32.76 | 10 | BB Min | A: 31.09 (+1.67s | 5.1%) | Eastmont | 01/03/2026 | January Storm | |
| 461 | Kai Kitamori | 32.76 | 10 | BB Min | A: 31.09 (+1.67s | 5.1%) | East Bay Bat Rays | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | |
| 462 | Cayden Lin | 32.76 | 10 | BB Min | A: 31.09 (+1.67s | 5.1%) | Rosemead Rapids | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 463 | Robert Mello | 32.77 | 9 | BB Min | A: 31.09 (+1.68s | 5.1%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 464 | David Rivera | 32.77 | 10 | BB Min | A: 31.09 (+1.68s | 5.1%) | Almaden Riptide | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 465 | Evan Wang | 32.78 | 8 | BB Min | A: 31.09 (+1.69s | 5.2%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 466 | Tanner Matheson | 32.78 | 10 | BB Min | A: 31.09 (+1.69s | 5.2%) | San Clemente Aquatic Team | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 467 | Jaafar Lahmidi | 32.78 | 10 | BB Min | A: 31.09 (+1.69s | 5.2%) | Foothills Swim Team | 01/16/2026 | 2026 CO CUDA Classic | |
| 468 | Kameron Durham | 32.80 | 10 | BB Min | A: 31.09 (+1.71s | 5.2%) | Kentridge | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 469 | Kai Kennedy | 32.81 | 10 | BB Min | A: 31.09 (+1.72s | 5.2%) | Academy Swim Club | 11/08/2025 | BIG ISLAND SWIMMING @ KCAC | |
| 470 | Sebastian Uy | 32.82 | 10 | BB Min | A: 31.09 (+1.73s | 5.3%) | Valley Aquatics | 11/22/2025 | 2025 PN November AGI, Div 3 (UPAC) | |
| 471 | Tymur Akimov | 32.83 | 10 | BB Min | A: 31.09 (+1.74s | 5.3%) | Royal Swim Team | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 472 | Mason Nguyen | 32.84 | 9 | BB Min | A: 31.09 (+1.75s | 5.3%) | Aquazot Swim Club | 03/13/2025 | 2025 SCS Spring Age Group Champs @ Armada | |
| 473 | Edwin Semple | 32.85 | 10 | BB Min | A: 31.09 (+1.76s | 5.4%) | The Spartans of La Canada | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 474 | Miles Edwards | 32.86 | 9 | BB Min | A: 31.09 (+1.77s | 5.4%) | Excel Aquatics | 12/13/2025 | 2025 Ho Ho Ho Holiday 12 Under Meet | |
| 475 | Felix Nguyen | 32.89 | 9 | BB Min | A: 31.09 (+1.80s | 5.5%) | Rio Salado Swim Club | 02/14/2025 | 33rd Annual Lost Dutchman Invitational | |
| 476 | Wesley Ho | 32.90 | 9 | BB Min | A: 31.09 (+1.81s | 5.5%) | Aspire Aquatics of Colorado | 02/28/2025 | 2025 CO CSI 14 U Age Group Championships | |
| 477 | Jensen Chamberlin | 32.90 | 10 | BB Min | A: 31.09 (+1.81s | 5.5%) | Thunderbird Aquatic Club | 11/22/2025 | 2025 PN November AGI, Division 4 (WEST) | |
| 478 | Zacharia Labyed | 32.91 | 9 | BB Min | A: 31.09 (+1.82s | 5.5%) | North Coast Aquatics | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 479 | Nathan Nice | 32.92 | 9 | BB Min | A: 31.09 (+1.83s | 5.6%) | Tigard | 02/15/2025 | 2025 OR HS 6A 5 | |
| 480 | Leo Liao | 32.92 | 9 | BB Min | A: 31.09 (+1.83s | 5.6%) | Alto Swim Club | 12/06/2025 | Alto Dec 6 7 CBA | |
| 481 | Finn Scott | 32.92 | 10 | BB Min | A: 31.09 (+1.83s | 5.6%) | Alto Swim Club | 12/06/2025 | Alto Dec 6 7 CBA | |
| 482 | Craig Thompson | 32.94 | 10 | BB Min | A: 31.09 (+1.85s | 5.6%) | North Coast Aquatics | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 483 | Mark Chechuy | 32.94 | 9 | BB Min | A: 31.09 (+1.85s | 5.6%) | South Orange County Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 484 | Jad Idrees | 32.94 | 10 | BB Min | A: 31.09 (+1.85s | 5.6%) | Unattached | 11/08/2025 | TCA PC November SC C B A+ | |
| 485 | Stryker Fonseca | 32.95 | 9 | BB Min | A: 31.09 (+1.86s | 5.6%) | Barracuda Aquatic Club | 05/17/2025 | CVM May Meet 2025 | |
| 486 | Samarveer Sethi | 32.95 | 10 | BB Min | A: 31.09 (+1.86s | 5.6%) | Quicksilver Swimming | 03/14/2025 | Spring SCY Age Group Championships | |
| 487 | Luca Tricano | 32.96 | 10 | BB Min | A: 31.09 (+1.87s | 5.7%) | Golden West Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 488 | Bennett Arguello | 32.96 | 9 | BB Min | A: 31.09 (+1.87s | 5.7%) | Greenwood Tiger Sharks | 12/12/2025 | 2025 CO NJ Blizzard Invite | |
| 489 | Luke Chai | 32.97 | 9 | BB Min | A: 31.09 (+1.88s | 5.7%) | Pleasanton Seahawks | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 490 | Niccolo Pantana | 32.99 | 9 | BB Min | A: 31.09 (+1.90s | 5.8%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 491 | Calvin Larkin | 32.99 | 8 | BB Min | A: 31.09 (+1.90s | 5.8%) | Bend Swim Club | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 492 | Wesley Wei | 32.99 | 10 | BB Min | A: 31.09 (+1.90s | 5.8%) | Seattle Metropolitan Aquatic C | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 493 | Alexander Mekjian | 32.99 | 10 | BB Min | A: 31.09 (+1.90s | 5.8%) | North Coast Aquatics | 10/11/2025 | 2025 SI RSD All Ages B C Meet | |
| 494 | Finlay Nelson | 33.00 | 10 | BB Min | A: 31.09 (+1.91s | 5.8%) | AC Swim Club | 12/06/2025 | Neptune Swimming Swim Like The Dickens | |
| 495 | Evan Tomizawa | 33.01 | 10 | BB Min | A: 31.09 (+1.92s | 5.8%) | Kamehameha Swim Club | 01/18/2026 | January A+ Meet | |
| 496 | Russell George | 33.03 | 11 | BB Min | A: 31.09 (+1.94s | 5.9%) | Lakeridge Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 497 | Guo-shiun Gau | 33.06 | 10 | BB Min | A: 31.09 (+1.97s | 6.0%) | Seattle Metropolitan Aquatic C | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 498 | Castle Cline | 33.07 | 10 | BB Min | A: 31.09 (+1.98s | 6.0%) | Seattle Metropolitan Aquatic C | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 499 | Francis Lou | 33.09 | 10 | BB Min | A: 31.09 (+2.00s | 6.0%) | Bay Club Aquatics | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 500 | George Gray | 33.09 | 9 | BB Min | A: 31.09 (+2.00s | 6.0%) | Portland Aquatic Club | 12/13/2025 | 2025 OR HEAT Winter 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.