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 | Davin Tambuwun | 38.90 | 10 | AAAA Min | San Ramon Valley Aquatics | 07/11/2025 | 2025 Age Group Championships | ||
| 3 | Elliott Chen | 40.01 | 10 | AAAA Min | DeAnza Cupertino Aquatics | 07/11/2025 | 2025 Age Group Championships | ||
| 4 | Stephen Huang | 40.31 | 9 | AAAA Min | DeAnza Cupertino Aquatics | 07/11/2025 | 2025 Age Group Championships | ||
| 5 | Nathan Wu | 40.65 | 10 | AAAA Min | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 6 | Albert Xiao | 41.36 | 10 | AAAA Min | Santa Clara Swim Club | 07/11/2025 | 2025 Age Group Championships | ||
| 7 | Sebastian Guevara | 42.67 | 10 | AAA Min | AAAA: 41.49 (+1.18s | 2.8%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 8 | 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 | |
| 9 | Rubix Szolusha | 43.17 | 9 | AAA Min | AAAA: 41.49 (+1.68s | 3.9%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 10 | 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 | |
| 11 | 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 | |
| 12 | 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 | |
| 13 | 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 | |
| 14 | 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 | |
| 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 | Ronel Acot | 46.11 | 10 | A Min | AA: 45.79 (+0.32s | 0.7%) | Palo Alto Stanford Aquatics | 07/11/2025 | 2025 Age Group Championships | |
| 18 | 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 | |
| 19 | 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 | |
| 20 | 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 | |
| 21 | Mateo Finegold | 46.95 | 10 | A Min | AA: 45.79 (+1.16s | 2.5%) | Palo Alto Stanford Aquatics | 07/11/2025 | 2025 Age Group Championships | |
| 22 | Kayden Masongsong | 47.33 | 10 | A Min | AA: 45.79 (+1.54s | 3.3%) | Terrapins Swim Team | 06/27/2025 | TEAM Summer Invitational | |
| 23 | 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 | |
| 24 | Martin Decotigny | 47.68 | 9 | A Min | AA: 45.79 (+1.89s | 4.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 25 | 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 | |
| 26 | William Lao | 47.97 | 10 | BB Min | A: 47.89 (+0.08s | 0.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 27 | Elijah Meng | 47.97 | 10 | BB Min | A: 47.89 (+0.08s | 0.2%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 28 | Aden Sun | 48.83 | 9 | BB Min | A: 47.89 (+0.94s | 1.9%) | Burlingame Aquatics | 06/27/2025 | Alto Summer Swelter | |
| 29 | Maxwell Tam | 49.04 | 10 | BB Min | A: 47.89 (+1.15s | 2.3%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 30 | Gordon Huang | 49.09 | 9 | BB Min | A: 47.89 (+1.20s | 2.4%) | Quicksilver Swimming | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 31 | 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 | |
| 32 | Aaron Kuusela | 49.60 | 10 | BB Min | A: 47.89 (+1.71s | 3.4%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 33 | Jiarui Fu | 49.69 | 9 | BB Min | A: 47.89 (+1.80s | 3.6%) | Milpitas Aquatic Club | 06/28/2024 | Valley Splash LCM C/B/A+ Meet | |
| 34 | Jozua Sugianto | 49.98 | 9 | BB Min | A: 47.89 (+2.09s | 4.2%) | Unattached | 04/19/2025 | Alto Spring Jam Meet | |
| 35 | Li Huang | 50.23 | 8 | BB Min | A: 47.89 (+2.34s | 4.7%) | Santa Clara Swim Club | 06/09/2023 | SCSC LCM Intrasquad Meet | |
| 36 | Nicholas Liu | 50.41 | 8 | BB Min | A: 47.89 (+2.52s | 5.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 37 | 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 | |
| 38 | Isaac Ma | 50.72 | 9 | BB Min | A: 47.89 (+2.83s | 5.6%) | California Dolphins Swim Team | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 39 | Ishaan Karunanayake | 50.72 | 9 | BB Min | A: 47.89 (+2.83s | 5.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 40 | Jason Ye | 50.76 | 9 | BB Min | A: 47.89 (+2.87s | 5.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 41 | 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 | |
| 42 | Will Dai | 50.83 | 10 | BB Min | A: 47.89 (+2.94s | 5.8%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 43 | 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 | |
| 44 | Hans Jensen | 51.12 | 10 | BB Min | A: 47.89 (+3.23s | 6.3%) | Diablo Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 45 | 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 | |
| 46 | 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 | |
| 47 | 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 | |
| 48 | 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 | |
| 49 | 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 | |
| 50 | 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 | |
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.