Pacific 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 | Nicholas Walsh | 37.01 | 15 | AAAA Min | Monterey Bay Swim Club | 06/26/2025 | 2025 TYR GO Challenge | ||
| 2 | Elliott Chen | 39.32 | 10 | AAAA Min | DeAnza Cupertino Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 3 | Stephen Huang | 40.31 | 9 | AAAA Min | DeAnza Cupertino Aquatics | 07/11/2025 | 2025 Age Group Championships | ||
| 4 | Albert Xiao | 41.36 | 10 | AAAA Min | Santa Clara Swim Club | 07/11/2025 | 2025 Age Group Championships | ||
| 5 | Sebastian Guevara | 42.67 | 10 | AAA Min | AAAA: 41.49 (+1.18s | 2.8%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 6 | Maxwell Peng | 42.87 | 12 | AAA Min | AAAA: 41.49 (+1.38s | 3.2%) | Monterey Bay Swim Club | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 7 | Rubix Szolusha | 43.17 | 9 | AAA Min | AAAA: 41.49 (+1.68s | 3.9%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 8 | Mateo Finegold | 43.58 | 10 | AAA Min | AAAA: 41.49 (+2.09s | 4.8%) | Palo Alto Stanford Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 9 | Robert Legg | 43.99 | 9 | AA Min | AAA: 43.59 (+0.40s | 0.9%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 10 | Aurelius Lien | 44.12 | 8 | AA Min | AAA: 43.59 (+0.53s | 1.2%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 11 | Lucas Jiang | 44.44 | 9 | AA Min | AAA: 43.59 (+0.85s | 1.9%) | Quicksilver Swimming | 07/19/2024 | 2024 QSS End of Summer Season Meet | |
| 12 | Charles Liu Bates | 44.45 | 10 | AA Min | AAA: 43.59 (+0.86s | 1.9%) | Unattached | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 13 | Marco Sun | 45.00 | 9 | AA Min | AAA: 43.59 (+1.41s | 3.1%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 14 | Ronel Acot | 45.76 | 10 | AA Min | AAA: 43.59 (+2.17s | 4.7%) | Palo Alto Stanford Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 15 | Ethan Locke | 45.78 | 9 | AA Min | AAA: 43.59 (+2.19s | 4.8%) | Unattached | 04/19/2025 | Alto Spring Jam Meet | |
| 16 | Cameron Boitano | 45.97 | 9 | A Min | AA: 45.79 (+0.18s | 0.4%) | Pleasanton Seahawks | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 17 | Robert Obermeyer | 46.29 | 10 | A Min | AA: 45.79 (+0.50s | 1.1%) | Piedmont Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 18 | Yuke Chen | 46.51 | 10 | A Min | AA: 45.79 (+0.72s | 1.5%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 19 | Emmett Chen | 46.78 | 10 | A Min | AA: 45.79 (+0.99s | 2.1%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 20 | Kayden Masongsong | 47.33 | 10 | A Min | AA: 45.79 (+1.54s | 3.3%) | Terrapins Swim Team | 06/27/2025 | TEAM Summer Invitational | |
| 21 | Lucas Zhou | 47.63 | 10 | A Min | AA: 45.79 (+1.84s | 3.9%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 22 | Martin Decotigny | 47.68 | 9 | A Min | AA: 45.79 (+1.89s | 4.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 23 | Adam Li | 47.72 | 10 | A Min | AA: 45.79 (+1.93s | 4.0%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 24 | Aden Sun | 48.83 | 9 | BB Min | A: 47.89 (+0.94s | 1.9%) | Burlingame Aquatics | 06/27/2025 | Alto Summer Swelter | |
| 25 | Maxwell Tam | 49.04 | 10 | BB Min | A: 47.89 (+1.15s | 2.3%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 26 | Yuri Evstigneev | 49.53 | 10 | BB Min | A: 47.89 (+1.64s | 3.3%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 27 | Aaron Kuusela | 49.60 | 10 | BB Min | A: 47.89 (+1.71s | 3.4%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 28 | Jozua Sugianto | 49.98 | 9 | BB Min | A: 47.89 (+2.09s | 4.2%) | Unattached | 04/19/2025 | Alto Spring Jam Meet | |
| 29 | Nicholas Liu | 50.41 | 8 | BB Min | A: 47.89 (+2.52s | 5.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 30 | Ming Chong | 50.52 | 9 | BB Min | A: 47.89 (+2.63s | 5.2%) | Unattached | 06/07/2024 | Burlingame Aquatic Club C/B/A+ LCM Meet | |
| 31 | Ishaan Karunanayake | 50.72 | 9 | BB Min | A: 47.89 (+2.83s | 5.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 32 | Jason Ye | 50.76 | 9 | BB Min | A: 47.89 (+2.87s | 5.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 33 | Ryan Latronica | 50.78 | 8 | BB Min | A: 47.89 (+2.89s | 5.7%) | Hills Hurricane Swimming | 06/21/2024 | RENO Gamble Age Group Open | |
| 34 | Demian Jarmy | 51.06 | 9 | BB Min | A: 47.89 (+3.17s | 6.2%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 35 | Kota Whitman | 51.17 | 8 | BB Min | A: 47.89 (+3.28s | 6.4%) | North Bay Aquatics | 05/12/2023 | SRN C/B/A+ LCM Meet | |
| 36 | Alan Li | 51.17 | 10 | BB Min | A: 47.89 (+3.28s | 6.4%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 37 | Ethan Kang | 51.25 | 10 | BB Min | A: 47.89 (+3.36s | 6.6%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 38 | Leo Ferrante | 51.33 | 10 | BB Min | A: 47.89 (+3.44s | 6.7%) | Palo Alto Stanford Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 39 | Sebastian McNary | 51.39 | 9 | BB Min | A: 47.89 (+3.50s | 6.8%) | Tiger Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 40 | Aiden Kiatrungrit | 51.47 | 9 | BB Min | A: 47.89 (+3.58s | 7.0%) | South San Francisco Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 41 | Nolan Lu | 51.74 | 10 | BB Min | A: 47.89 (+3.85s | 7.4%) | DeAnza Cupertino Aquatics | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 42 | Zhouhan Yang | 52.09 | 9 | BB Min | A: 47.89 (+4.20s | 8.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 43 | Arick Yuan | 52.09 | 9 | BB Min | A: 47.89 (+4.20s | 8.1%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 44 | Luke Xu | 52.17 | 9 | BB Min | A: 47.89 (+4.28s | 8.2%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 45 | Eli Shapiro | 52.28 | 9 | BB Min | A: 47.89 (+4.39s | 8.4%) | Lakeridge Swim Team | 05/24/2024 | Intermountain Classic Age Group Open (host: CARS) | |
| 46 | Mateo Sison | 52.29 | 9 | BB Min | A: 47.89 (+4.40s | 8.4%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 47 | Danny Zhang | 53.15 | 9 | BB Min | A: 47.89 (+5.26s | 9.9%) | Quicksilver Swimming | 06/12/2024 | Quicksilver LCM Micro Meet - SJ1 Summer League | |
| 48 | Ethan Wang | 53.16 | 8 | BB Min | A: 47.89 (+5.27s | 9.9%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 49 | Pace Bui | 53.34 | 8 | BB Min | A: 47.89 (+5.45s | 10.2%) | Sfrp Rossi Swim Team | 06/22/2024 | NVST LCM Last Chance to AGC C/B/A+ Meet | |
| 50 | Julian Yu | 53.35 | 9 | BB Min | A: 47.89 (+5.46s | 10.2%) | Alto Swim Club | 06/07/2024 | DeAnza Cupertino Aquatics LCM C/B/A+ Meet | |
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.