Western Zone Zone Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Brendan Ma | 39.10 | 9 | BB Min | A: 37.59 (+1.51s | 3.9%) | Orinda Aquatics | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 402 | Joel Stees | 39.12 | 10 | BB Min | A: 37.59 (+1.53s | 3.9%) | Aquawolves Swimming | 02/14/2026 | 2026 CO AQUA February Home Meet | |
| 403 | Mark Taylor | 39.13 | 9 | BB Min | A: 37.59 (+1.54s | 3.9%) | Seal Beach Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 404 | Conrad Shwe | 39.14 | 9 | BB Min | A: 37.59 (+1.55s | 4.0%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 405 | Mason Lee | 39.15 | 10 | BB Min | A: 37.59 (+1.56s | 4.0%) | Issaquah Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 406 | Eric Liu | 39.15 | 10 | BB Min | A: 37.59 (+1.56s | 4.0%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 407 | Martin Li | 39.19 | 9 | BB Min | A: 37.59 (+1.60s | 4.1%) | Wave Aquatics | 12/12/2025 | 2025 PN 14 Under Short Course Champs Approved | |
| 408 | Luca Fu | 39.21 | 9 | BB Min | A: 37.59 (+1.62s | 4.1%) | Lakeridge Swim Team | 03/14/2026 | 2026 NNA AGO | |
| 409 | Oliver Song Zhang | 39.21 | 10 | BB Min | A: 37.59 (+1.62s | 4.1%) | West Coast Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 410 | Wonmin Kim | 39.21 | 10 | BB Min | A: 37.59 (+1.62s | 4.1%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 411 | Elliott Johnson | 39.21 | 10 | BB Min | A: 37.59 (+1.62s | 4.1%) | Bellevue Club Swim Team | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 412 | Nolan Lu | 39.24 | 10 | BB Min | A: 37.59 (+1.65s | 4.2%) | DeAnza Cupertino Aquatics | 03/22/2025 | PSL SC CBA+ Meet | |
| 413 | Landon Gura | 39.25 | 9 | BB Min | A: 37.59 (+1.66s | 4.2%) | North Coast Aquatics | 11/08/2025 | HSA All Ages NTS | |
| 414 | Thomas Halford | 39.28 | 10 | BB Min | A: 37.59 (+1.69s | 4.3%) | Pikes Peak Athletics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 415 | Hunter Gehrke | 39.29 | 10 | BB Min | A: 37.59 (+1.70s | 4.3%) | Arizona Seals Swimming Academy | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 416 | Ryan Lee | 39.29 | 10 | BB Min | A: 37.59 (+1.70s | 4.3%) | Highlands Ranch Aquatics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 417 | Arick Yuan | 39.30 | 10 | BB Min | A: 37.59 (+1.71s | 4.4%) | Santa Clara Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 418 | Brooks Farrington | 39.30 | 9 | BB Min | A: 37.59 (+1.71s | 4.4%) | Life Time Oregon Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 419 | Mason Sovich | 39.32 | 9 | BB Min | A: 37.59 (+1.73s | 4.4%) | Olympic Cascade Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 420 | Max Huang | 39.33 | 10 | BB Min | A: 37.59 (+1.74s | 4.4%) | Sierra Marlins Swim Team | 11/08/2025 | Folsom Classic 2025 | |
| 421 | Ian Zhang | 39.34 | 10 | BB Min | A: 37.59 (+1.75s | 4.4%) | Apex | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 422 | Jasper Timmons | 39.34 | 10 | BB Min | A: 37.59 (+1.75s | 4.4%) | Cascade Swim Club | 03/07/2026 | 2026 PDST Mar Pentathlon Last Chance Approved | |
| 423 | Noble Rickstrew | 39.34 | 10 | BB Min | A: 37.59 (+1.75s | 4.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 424 | Luca Desset | 39.35 | 10 | BB Min | A: 37.59 (+1.76s | 4.5%) | Kona Aquatics Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 425 | Ben Kraft | 39.37 | 10 | BB Min | A: 37.59 (+1.78s | 4.5%) | Excel Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 426 | Mateo Sison | 39.38 | 10 | BB Min | A: 37.59 (+1.79s | 4.5%) | San Ramon Valley Aquatics | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 427 | Austin Mitchell | 39.38 | 10 | BB Min | A: 37.59 (+1.79s | 4.5%) | Valley Aquatics | 11/16/2025 | 2025 PN PAC Q Meet | |
| 428 | Jay Kowren | 39.38 | 10 | BB Min | A: 37.59 (+1.79s | 4.5%) | Bainbridge Island Swim Club | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 429 | Emory Hulslander | 39.40 | 10 | BB Min | A: 37.59 (+1.81s | 4.6%) | Aces Swim Club | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 430 | Beau Jakubowski | 39.42 | 9 | BB Min | A: 37.59 (+1.83s | 4.6%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 431 | Bryant Stringham | 39.43 | 10 | BB Min | A: 37.59 (+1.84s | 4.7%) | Olympus Aquatics | 10/30/2025 | 2025 OA IMR 1 | |
| 432 | Dylan Tian | 39.44 | 8 | BB Min | A: 37.59 (+1.85s | 4.7%) | Santa Clara Swim Club | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 433 | Collin James | 39.46 | 10 | BB Min | A: 37.59 (+1.87s | 4.7%) | West Linn | 02/15/2025 | 2025 OR HS 6A 5 | |
| 434 | Terence Wu | 39.46 | 9 | BB Min | A: 37.59 (+1.87s | 4.7%) | Bellevue Club Swim Team | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 435 | Brendon Kim | 39.46 | 10 | BB Min | A: 37.59 (+1.87s | 4.7%) | H2o Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 436 | Vaughn Jacob | 39.47 | 10 | BB Min | A: 37.59 (+1.88s | 4.8%) | Mount Hood Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 437 | Isaac Marcuson | 39.47 | 10 | BB Min | A: 37.59 (+1.88s | 4.8%) | Aspire Aquatics of Colorado | 03/06/2026 | 2026 CO 14 U Silver State | |
| 438 | Joshua Lung | 39.48 | 10 | BB Min | A: 37.59 (+1.89s | 4.8%) | Unattached | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 439 | HanJun Zhang | 39.48 | 10 | BB Min | A: 37.59 (+1.89s | 4.8%) | Wasc | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 440 | Watson She | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | Bellevue Club Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 441 | Nicholas Mosendz | 39.49 | 9 | BB Min | A: 37.59 (+1.90s | 4.8%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 442 | Norman Glauberman | 39.50 | 10 | BB Min | A: 37.59 (+1.91s | 4.8%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 443 | Miles Kavanaugh | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | University Place Aquatic Club | 04/26/2025 | 2025 PN UPAC Mark Olson Invitational | |
| 444 | Shay Jain | 39.55 | 9 | BB Min | A: 37.59 (+1.96s | 5.0%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 445 | Noah Gaal | 39.55 | 9 | BB Min | A: 37.59 (+1.96s | 5.0%) | Aces Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 446 | Henry Goddard | 39.56 | 10 | BB Min | A: 37.59 (+1.97s | 5.0%) | Cascadia Swimming | 08/01/2025 | Big Kahuna 2025 | |
| 447 | Leo Grace | 39.57 | 8 | BB Min | A: 37.59 (+1.98s | 5.0%) | Unattached | 02/13/2026 | (Pullman) 2026 IES Jr Champs | |
| 448 | Fletcher Sumner | 39.58 | 10 | BB Min | A: 37.59 (+1.99s | 5.0%) | Mission Aurora Colorado Swimmi | 03/13/2026 | Mile High Championship Invitational | |
| 449 | Aiden Mulcahy | 39.58 | 10 | BB Min | A: 37.59 (+1.99s | 5.0%) | Aulea Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 450 | Arvin Farhang | 39.58 | 10 | BB Min | A: 37.59 (+1.99s | 5.0%) | Royal Swim Team | 12/12/2025 | 2025 CA SCS RAA WAG | |
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.