Western Zone Zone Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cavin Spruiell | 34.45 | 6 | AAAA Min | Walnut Creek Aquabears | 06/23/2024 | PC TCA Invite | ||
| 2 | Matthew Zhao | 38.92 | 10 | AAAA Min | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 3 | Zhecheng Zhu | 39.19 | 10 | AAAA Min | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | ||
| 4 | Jercey Zhao | 40.16 | 10 | AAAA Min | Bellevue Club Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | ||
| 5 | Stephen Huang | 40.31 | 10 | AAAA Min | DeAnza Cupertino Aquatics | 07/11/2025 | 2025 Age Group Championships | ||
| 6 | Mason Ryu | 40.42 | 10 | AAAA Min | Klg Sports Swim Team | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 7 | Romi Jones | 40.43 | 10 | AAAA Min | Sandpipers of Nevada | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 8 | Sebastian Saade | 40.50 | 10 | AAAA Min | Los Angeles Swim Club | 06/11/2026 | 2026 SCS June AG Invite | ||
| 9 | Rubix Szolusha | 41.21 | 10 | AAAA Min | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
| 10 | Rain Liu | 41.29 | 10 | AAAA Min | Rancho San Dieguito | 05/23/2026 | 2026 SI HSA A All Ages NTS May 23 24 | ||
| 11 | Joshua Bond | 41.41 | 10 | AAAA Min | Socal Aquatics Association | 06/11/2026 | 2026 SCS June AG Invite | ||
| 12 | Andy Wang | 41.44 | 10 | AAAA Min | Tualatin Hills Swim Club | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | ||
| 13 | Jozua Sugianto | 42.09 | 10 | AAA Min | AAAA: 41.49 (+0.60s | 1.4%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 14 | Max Lin | 42.11 | 10 | AAA Min | AAAA: 41.49 (+0.62s | 1.5%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 15 | Marco Sun | 42.12 | 10 | AAA Min | AAAA: 41.49 (+0.63s | 1.5%) | Pleasanton Seahawks | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 16 | Shawn Wu | 42.13 | 10 | AAA Min | AAAA: 41.49 (+0.64s | 1.5%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 17 | Evan Jun | 42.28 | 9 | AAA Min | AAAA: 41.49 (+0.79s | 1.9%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 18 | HanJun Zhang | 42.28 | 10 | AAA Min | AAAA: 41.49 (+0.79s | 1.9%) | Wasc | 06/11/2026 | 2026 SCS June AG Invite | |
| 19 | Miro Wang | 42.30 | 10 | AAA Min | AAAA: 41.49 (+0.81s | 1.9%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 20 | Declan Wang | 42.37 | 10 | AAA Min | AAAA: 41.49 (+0.88s | 2.1%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 21 | Robert Legg | 42.53 | 10 | AAA Min | AAAA: 41.49 (+1.04s | 2.4%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 22 | Jayden Liu | 42.59 | 10 | AAA Min | AAAA: 41.49 (+1.10s | 2.6%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 23 | Lathan Su | 42.71 | 10 | AAA Min | AAAA: 41.49 (+1.22s | 2.9%) | Arcadia Riptides Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 24 | David Grant | 42.95 | 10 | AAA Min | AAAA: 41.49 (+1.46s | 3.4%) | Fort Collins Area Swim Team | 06/12/2026 | 2026 CO CSI Long Course Open | |
| 25 | Aurelius Lien | 43.23 | 9 | AAA Min | AAAA: 41.49 (+1.74s | 4.0%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 26 | Jefferson Chiang | 43.25 | 10 | AAA Min | AAAA: 41.49 (+1.76s | 4.1%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 27 | Russell Choy | 43.30 | 10 | AAA Min | AAAA: 41.49 (+1.81s | 4.2%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 28 | Nicholas Liu | 43.30 | 10 | AAA Min | AAAA: 41.49 (+1.81s | 4.2%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 29 | Nhat Tran | 43.39 | 10 | AAA Min | AAAA: 41.49 (+1.90s | 4.4%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 30 | Misha Bolton | 43.46 | 10 | AAA Min | AAAA: 41.49 (+1.97s | 4.5%) | Royal Swim Team | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 31 | Xander Schatz | 43.61 | 10 | AA Min | AAA: 43.59 (+0.02s | 0.0%) | Unattached | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 32 | Riccardo Sardena | 43.63 | 10 | AA Min | AAA: 43.59 (+0.04s | 0.1%) | Swim Team of Placentia | 06/11/2026 | 2026 SCS June AG Invite | |
| 33 | Cameron Boitano | 43.71 | 10 | AA Min | AAA: 43.59 (+0.12s | 0.3%) | Pleasanton Seahawks | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 34 | Jensen Huang | 43.81 | 10 | AA Min | AAA: 43.59 (+0.22s | 0.5%) | Arcadia Riptides Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 35 | Jack Armbruster | 43.81 | 10 | AA Min | AAA: 43.59 (+0.22s | 0.5%) | San Clemente Aquatic Team | 06/11/2026 | 2026 SCS June AG Invite | |
| 36 | Aden Sun | 43.83 | 10 | AA Min | AAA: 43.59 (+0.24s | 0.5%) | Burlingame Aquatics | 06/20/2026 | Alto Summer Swelter | |
| 37 | Ethan Locke | 44.05 | 10 | AA Min | AAA: 43.59 (+0.46s | 1.0%) | Alto Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 38 | Ezz Abdelhadi | 44.18 | 10 | AA Min | AAA: 43.59 (+0.59s | 1.3%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 39 | Devin Song | 44.31 | 9 | AA Min | AAA: 43.59 (+0.72s | 1.6%) | Rose Bowl Aquatics | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 40 | Isaac Toledo | 44.32 | 10 | AA Min | AAA: 43.59 (+0.73s | 1.6%) | Fusion Aquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 41 | Leon Escarcega Hernandez | 44.34 | 10 | AA Min | AAA: 43.59 (+0.75s | 1.7%) | Halcones Marinos Capn | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 42 | Koku Saddawi-Banno | 44.36 | 9 | AA Min | AAA: 43.59 (+0.77s | 1.7%) | Jbarracudas Swim Team | 06/19/2026 | 2026 SI Splash And Dash | |
| 43 | Ryan Latronica | 44.40 | 10 | AA Min | AAA: 43.59 (+0.81s | 1.8%) | Hills Hurricane Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 44 | Graeme Mulhearn | 44.80 | 5 | AA Min | AAA: 43.59 (+1.21s | 2.7%) | Livermore AquaCowboys | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 45 | Luca Tricano | 44.81 | 10 | AA Min | AAA: 43.59 (+1.22s | 2.7%) | Golden West Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 46 | Tomas Bilbao | 44.87 | 10 | AA Min | AAA: 43.59 (+1.28s | 2.9%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 47 | Lok Zhang | 44.89 | 10 | AA Min | AAA: 43.59 (+1.30s | 2.9%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 48 | Kyle Tang | 44.93 | 9 | AA Min | AAA: 43.59 (+1.34s | 3.0%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 49 | Edoardo Marelli | 44.94 | 10 | AA Min | AAA: 43.59 (+1.35s | 3.0%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 50 | Demian Jarmy | 45.00 | 10 | AA Min | AAA: 43.59 (+1.41s | 3.1%) | Pleasanton Seahawks | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
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.