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 | 31.63 | 6 | AAAA Min | Walnut Creek Aquabears | 07/10/2026 | Pacific Swimming Long Course Senior Open | ||
| 2 | Matthew Zhao | 37.57 | 10 | AAAA Min | Brea Aquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | ||
| 3 | Jercey Zhao | 38.65 | 10 | AAAA Min | Bellevue Club Swim Team | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | ||
| 4 | Rubix Szolusha | 38.98 | 10 | AAAA Min | Santa Clara Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | ||
| 5 | Zhecheng Zhu | 39.19 | 10 | AAAA Min | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | ||
| 6 | Mason Ryu | 40.10 | 10 | AAAA Min | Klg Sports Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs | ||
| 7 | Logan Liew | 40.25 | 10 | AAAA Min | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | ||
| 8 | Andy Wang | 40.71 | 10 | AAAA Min | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | ||
| 9 | Evan Jun | 41.38 | 9 | AAAA Min | Kamehameha Swim Club | 07/16/2026 | 2026 HISI LCM Championships | ||
| 10 | Max Lin | 41.58 | 10 | AAA Min | AAAA: 41.49 (+0.09s | 0.2%) | Irvine Novaquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 11 | Yixuan Zhu | 41.59 | 10 | AAA Min | AAAA: 41.49 (+0.10s | 0.2%) | Pleasanton Seahawks | 07/30/2026 | Long Course Far Westerns | |
| 12 | Jayden Liu | 41.61 | 10 | AAA Min | AAAA: 41.49 (+0.12s | 0.3%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 13 | Cameron Boitano | 41.73 | 10 | AAA Min | AAAA: 41.49 (+0.24s | 0.6%) | Pleasanton Seahawks | 07/30/2026 | Long Course Far Westerns | |
| 14 | Nicholas Liu | 41.85 | 10 | AAA Min | AAAA: 41.49 (+0.36s | 0.9%) | Alto Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 15 | Koku Saddawi-Banno | 41.86 | 10 | AAA Min | AAAA: 41.49 (+0.37s | 0.9%) | San Diego Imperial All Star TM | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 16 | Declan Wang | 41.92 | 10 | AAA Min | AAAA: 41.49 (+0.43s | 1.0%) | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 17 | Jefferson Chiang | 42.04 | 10 | AAA Min | AAAA: 41.49 (+0.55s | 1.3%) | Irvine Novaquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 18 | Aden Sun | 42.07 | 10 | AAA Min | AAAA: 41.49 (+0.58s | 1.4%) | Burlingame Aquatics | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 19 | Paxton Goldsborough | 42.15 | 10 | AAA Min | AAAA: 41.49 (+0.66s | 1.6%) | Academy Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 20 | Riccardo Sardena | 42.22 | 10 | AAA Min | AAAA: 41.49 (+0.73s | 1.7%) | Swim Team of Placentia | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 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 | Nhat Tran | 42.90 | 10 | AAA Min | AAAA: 41.49 (+1.41s | 3.3%) | Olympic Cascade Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 23 | Parker Bettis | 43.12 | 10 | AAA Min | AAAA: 41.49 (+1.63s | 3.8%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 24 | Allister Georgiou | 43.22 | 10 | AAA Min | AAAA: 41.49 (+1.73s | 4.0%) | McGrath Marlins Swim Team | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 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 | Aiden Chung | 43.25 | 10 | AAA Min | AAAA: 41.49 (+1.76s | 4.1%) | Patriot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 27 | Alexander Yampolsky | 43.35 | 10 | AAA Min | AAAA: 41.49 (+1.86s | 4.3%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 28 | Kyle Tang | 43.38 | 9 | AAA Min | AAAA: 41.49 (+1.89s | 4.4%) | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 29 | Kai-Chen Lin | 43.48 | 9 | AAA Min | AAAA: 41.49 (+1.99s | 4.6%) | Irvine Novaquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 30 | Abraham Cheng | 43.51 | 10 | AAA Min | AAAA: 41.49 (+2.02s | 4.6%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 31 | Aleksandr Rybin | 43.72 | 10 | AA Min | AAA: 43.59 (+0.13s | 0.3%) | King Aquatic Club | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 32 | Jensen Huang | 43.76 | 10 | AA Min | AAA: 43.59 (+0.17s | 0.4%) | Arcadia Riptides Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 33 | 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 | |
| 34 | Lok Zhang | 43.83 | 10 | AA Min | AAA: 43.59 (+0.24s | 0.5%) | Pacific Dragons Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 35 | Jason Yin | 43.90 | 9 | AA Min | AAA: 43.59 (+0.31s | 0.7%) | Quicksilver Swimming | 07/30/2026 | Long Course Far Westerns | |
| 36 | Ari Mobasseri | 44.04 | 8 | AA Min | AAA: 43.59 (+0.45s | 1.0%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 37 | Aaron Kim | 44.06 | 10 | AA Min | AAA: 43.59 (+0.47s | 1.1%) | The Spartans of La Canada | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 38 | Devin Song | 44.06 | 9 | AA Min | AAA: 43.59 (+0.47s | 1.1%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 39 | Owen Zeng | 44.17 | 10 | AA Min | AAA: 43.59 (+0.58s | 1.3%) | Trident Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 40 | Jonathan Li | 44.18 | 8 | AA Min | AAA: 43.59 (+0.59s | 1.3%) | Brea Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 41 | Matthew Ko | 44.21 | 10 | AA Min | AAA: 43.59 (+0.62s | 1.4%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 42 | 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 | |
| 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 | Max Ong | 44.48 | 10 | AA Min | AAA: 43.59 (+0.89s | 2.0%) | Pacific Swim | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 45 | Wyatt Larson | 44.51 | 10 | AA Min | AAA: 43.59 (+0.92s | 2.1%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 46 | Daniel Heilman | 44.62 | 10 | AA Min | AAA: 43.59 (+1.03s | 2.3%) | San Francisco Seals Swim Team | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 47 | Henry Goddard | 44.70 | 10 | AA Min | AAA: 43.59 (+1.11s | 2.5%) | Lake Oswego Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 48 | Gavin Johnston | 44.74 | 10 | AA Min | AAA: 43.59 (+1.15s | 2.6%) | Manta Ray Aquatics | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 49 | Paxton Marvray | 44.79 | 10 | AA Min | AAA: 43.59 (+1.20s | 2.7%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 50 | Graeme Mulhearn | 44.80 | 6 | AA Min | AAA: 43.59 (+1.21s | 2.7%) | Livermore AquaCowboys | 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.