Western Zone Zone Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Hoshi Aono | 33.67 | 10 | AAAA Min | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 2 | Declan Wang | 34.82 | 10 | AAAA Min | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 3 | Robert Legg | 35.02 | 10 | AAAA Min | Pleasanton Seahawks | 06/13/2026 | PC CDST LC C B BB+ 26 074 | ||
| 4 | Luka McGrath | 36.15 | 10 | AAAA Min | Multnomah Athletic Club | 07/05/2025 | Pendleton Open 2025 | ||
| 5 | Atticus Hendricks-Smith | 36.16 | 10 | AAAA Min | RoadRunners of Albuquerque | 04/24/2026 | 2026 CO Arena Catch Me If You Can | ||
| 6 | Ethan Locke | 36.22 | 10 | AAAA Min | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 7 | Rubix Szolusha | 36.22 | 10 | AAAA Min | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 8 | Sinan Ozgur | 36.35 | 10 | AAAA Min | Pleasanton Seahawks | 06/13/2026 | PC CDST LC C B BB+ 26 074 | ||
| 9 | Jefferson Chiang | 36.39 | 10 | AAAA Min | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | ||
| 10 | Mason Ryu | 36.45 | 10 | AAAA Min | Klg Sports Swim Team | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 11 | Trevor Lam | 36.52 | 9 | AAAA Min | Dare Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 12 | Isaac Dai | 36.66 | 9 | AAAA Min | Mission Viejo Nadadores | 06/11/2026 | 2026 SCS June AG Invite | ||
| 13 | Jaden Dao | 36.79 | 9 | AAAA Min | Dare Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 14 | Alexander Kovnatsky | 36.84 | 10 | AAAA Min | Orinda Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 15 | Ryan Latronica | 36.98 | 10 | AAAA Min | Hills Hurricane Swimming | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 16 | August Liao | 37.14 | 10 | AAA Min | AAAA: 36.99 (+0.15s | 0.4%) | Canyons Aquatic Club | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 17 | Axton Santiago | 37.22 | 10 | AAA Min | AAAA: 36.99 (+0.23s | 0.6%) | Pearl City Aquatics | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 18 | Stephen Huang | 37.43 | 10 | AAA Min | AAAA: 36.99 (+0.44s | 1.2%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 19 | Thomas Sedano | 37.56 | 10 | AAA Min | AAAA: 36.99 (+0.57s | 1.5%) | Monterey Bay Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 20 | Adrian Wong | 37.59 | 10 | AAA Min | AAAA: 36.99 (+0.60s | 1.6%) | La Mirada Armada | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 21 | Lucas Stocker | 37.69 | 10 | AAA Min | AAAA: 36.99 (+0.70s | 1.9%) | Coastal Machine Aquatics Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 22 | Julian Phillips | 37.71 | 10 | AAA Min | AAAA: 36.99 (+0.72s | 1.9%) | Quicksilver Swimming | 06/11/2026 | 2026 SCS June AG Invite | |
| 23 | Zhecheng Zhu | 37.71 | 10 | AAA Min | AAAA: 36.99 (+0.72s | 1.9%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 24 | Guanlin Chen | 37.75 | 9 | AAA Min | AAAA: 36.99 (+0.76s | 2.0%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 25 | Matthew Zhao | 37.76 | 10 | AAA Min | AAAA: 36.99 (+0.77s | 2.0%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 26 | Preston Tran | 37.85 | 10 | AAA Min | AAAA: 36.99 (+0.86s | 2.3%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 27 | Andy Tran | 37.94 | 10 | AAA Min | AAAA: 36.99 (+0.95s | 2.5%) | Seattle Metropolitan Aquatic C | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 28 | Pace Bui | 37.99 | 10 | AAA Min | AAAA: 36.99 (+1.00s | 2.6%) | Fog City Hammerheads | 06/12/2026 | BAC Long Course | |
| 29 | Aaron Niu | 38.00 | 10 | AAA Min | AAAA: 36.99 (+1.01s | 2.7%) | Flying Fish Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 30 | Walker Lewis | 38.14 | 10 | AAA Min | AAAA: 36.99 (+1.15s | 3.0%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 31 | Lucas Pan | 38.16 | 9 | AAA Min | AAAA: 36.99 (+1.17s | 3.1%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 32 | Shawn Wu | 38.22 | 10 | AAA Min | AAAA: 36.99 (+1.23s | 3.2%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 33 | Ethan Qu | 38.24 | 10 | AAA Min | AAAA: 36.99 (+1.25s | 3.3%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 34 | Sebastian Saade | 38.29 | 10 | AAA Min | AAAA: 36.99 (+1.30s | 3.4%) | Los Angeles Swim Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 35 | David Goldenberg | 38.29 | 10 | AAA Min | AAAA: 36.99 (+1.30s | 3.4%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 36 | Chase Witt | 38.56 | 10 | AAA Min | AAAA: 36.99 (+1.57s | 4.1%) | Gold\\\\\\'s Aquatics Club (Camas) | 04/25/2026 | GACC Spring Invitational | |
| 37 | Paxton Goldsborough | 38.62 | 10 | AAA Min | AAAA: 36.99 (+1.63s | 4.2%) | Academy Swim Club | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 38 | Russell Choy | 38.69 | 10 | AAA Min | AAAA: 36.99 (+1.70s | 4.4%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 39 | Mason Nguyen | 38.69 | 10 | AAA Min | AAAA: 36.99 (+1.70s | 4.4%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 40 | Jack Armbruster | 38.77 | 10 | AAA Min | AAAA: 36.99 (+1.78s | 4.6%) | San Clemente Aquatic Team | 06/11/2026 | 2026 SCS June AG Invite | |
| 41 | Branimir Petkov | 38.82 | 10 | AAA Min | AAAA: 36.99 (+1.83s | 4.7%) | Evolution Racing Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 42 | Luke Chai | 38.87 | 9 | AAA Min | AAAA: 36.99 (+1.88s | 4.8%) | Pleasanton Seahawks | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 43 | Leon Escarcega Hernandez | 38.90 | 10 | AAA Min | AAAA: 36.99 (+1.91s | 4.9%) | Halcones Marinos Capn | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 44 | Nicholas Liu | 38.90 | 10 | AAA Min | AAAA: 36.99 (+1.91s | 4.9%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 45 | Angel Garcia | 38.93 | 10 | AAA Min | AAAA: 36.99 (+1.94s | 5.0%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 46 | Matvey Fadeev | 38.96 | 10 | AAA Min | AAAA: 36.99 (+1.97s | 5.1%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 47 | Jerry Ji | 38.98 | 10 | AAA Min | AAAA: 36.99 (+1.99s | 5.1%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 48 | Wyatt Larson | 38.99 | 10 | AAA Min | AAAA: 36.99 (+2.00s | 5.1%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 49 | Marco Sun | 39.14 | 10 | AA Min | AAA: 38.99 (+0.15s | 0.4%) | Pleasanton Seahawks | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 50 | Aurelius Lien | 39.24 | 9 | AA Min | AAA: 38.99 (+0.25s | 0.6%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
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.