Southern California Swimming Boys 10 & under - 50 M Breast
These rankings show the swimmers' placement within their Local Swimming Committee (LSC).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 | Matthew Zhao | 37.57 | 10 | AAAA Min | Brea Aquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | ||
| 2 | Zhecheng Zhu | 39.19 | 10 | AAAA Min | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | ||
| 3 | Mason Ryu | 40.10 | 10 | AAAA Min | Klg Sports Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs | ||
| 4 | August Liao | 40.90 | 10 | AAAA Min | Canyons Aquatic Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | ||
| 5 | Joshua Bond | 41.29 | 10 | AAAA Min | Socal Aquatics Association | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | ||
| 6 | 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 | |
| 7 | Russell Choy | 41.82 | 10 | AAA Min | AAAA: 41.49 (+0.33s | 0.8%) | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 8 | HanJun Zhang | 41.89 | 10 | AAA Min | AAAA: 41.49 (+0.40s | 1.0%) | Wasc | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 9 | 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 | |
| 10 | 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 | |
| 11 | Shawn Wu | 42.10 | 10 | AAA Min | AAAA: 41.49 (+0.61s | 1.4%) | Brea Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 12 | 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 | |
| 13 | Lathan Su | 42.32 | 10 | AAA Min | AAAA: 41.49 (+0.83s | 2.0%) | Arcadia Riptides Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 14 | Misha Bolton | 42.89 | 10 | AAA Min | AAAA: 41.49 (+1.40s | 3.3%) | Royal Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 15 | Kyle Kang | 43.15 | 10 | AAA Min | AAAA: 41.49 (+1.66s | 3.8%) | Brea Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 16 | 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 | |
| 17 | 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 | |
| 18 | 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 | |
| 19 | 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 | |
| 20 | 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 | |
| 21 | 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 | |
| 22 | 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 | |
| 23 | 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 | |
| 24 | 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 | |
| 25 | 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 | |
| 26 | 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 | |
| 27 | 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 | |
| 28 | Everett Muzzarelli | 44.95 | 8 | AA Min | AAA: 43.59 (+1.36s | 3.0%) | Woodbridge Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 29 | Cayden Lin | 45.02 | 10 | AA Min | AAA: 43.59 (+1.43s | 3.2%) | Rosemead Rapids | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 30 | Brian Yu | 45.17 | 10 | AA Min | AAA: 43.59 (+1.58s | 3.5%) | Dare Aquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 31 | Jacob Liu | 45.27 | 10 | AA Min | AAA: 43.59 (+1.68s | 3.7%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 32 | Blaine Maramot | 45.30 | 10 | AA Min | AAA: 43.59 (+1.71s | 3.8%) | Buenaventura Swim Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 33 | Mark Kiselev | 45.40 | 9 | AA Min | AAA: 43.59 (+1.81s | 4.0%) | Royal Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 34 | Phillippe Choi | 45.54 | 10 | AA Min | AAA: 43.59 (+1.95s | 4.3%) | Blast Sharks | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 35 | Anderson Bradley | 45.60 | 10 | AA Min | AAA: 43.59 (+2.01s | 4.4%) | Coastal Machine Aquatics Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 36 | Kaimana Hashimoto | 45.74 | 10 | AA Min | AAA: 43.59 (+2.15s | 4.7%) | Splash Aquatics | 07/16/2026 | 2026 HISI LCM Championships | |
| 37 | Maksim Kashkolda | 45.79 | 10 | AA Min | AAA: 43.59 (+2.20s | 4.8%) | Horizon Swimming | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 38 | Brian Chou | 45.80 | 9 | A Min | AA: 45.79 (+0.01s | 0.0%) | Irvine Novaquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 39 | Oliver King | 45.86 | 10 | A Min | AA: 45.79 (+0.07s | 0.2%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 40 | Yuning Huang | 45.97 | 10 | A Min | AA: 45.79 (+0.18s | 0.4%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 41 | Graham Terzer | 45.99 | 10 | A Min | AA: 45.79 (+0.20s | 0.4%) | The Spartans of La Canada | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 42 | Leland Tsou | 46.08 | 10 | A Min | AA: 45.79 (+0.29s | 0.6%) | Paseo Aquatics Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 43 | Danylo Marshchivskyi | 46.13 | 8 | A Min | AA: 45.79 (+0.34s | 0.7%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 44 | Ethan Gu | 46.14 | 10 | A Min | AA: 45.79 (+0.35s | 0.8%) | South Pasadena Sea Tigers | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 45 | Francisco Diaz | 46.31 | 10 | A Min | AA: 45.79 (+0.52s | 1.1%) | Buenaventura Swim Club | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 46 | Edwin Fernando | 46.35 | 10 | A Min | AA: 45.79 (+0.56s | 1.2%) | Cerritos Aquatic Club | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 47 | Jayden Cheng | 46.35 | 10 | A Min | AA: 45.79 (+0.56s | 1.2%) | Brea Aquatics | 07/25/2024 | 2024 CA SCS BREA Summer A G Champs | |
| 48 | Jeffrey Moon | 46.40 | 10 | A Min | AA: 45.79 (+0.61s | 1.3%) | Commerce Aquatics Swim Team | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 49 | Tucker McCullough | 46.49 | 10 | A Min | AA: 45.79 (+0.70s | 1.5%) | Team Rebel Aquatics | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 50 | Eric Zeng | 46.62 | 9 | A Min | AA: 45.79 (+0.83s | 1.8%) | Canyons Aquatic Club | 06/11/2026 | 2026 SCS June AG Invite CANY | |
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.