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 | Davin Tambuwun | 40.13 | 10 | AAAA Min | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | ||
| 2 | Nathan Wu | 40.65 | 10 | AAAA Min | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 3 | Jeffrey Sun | 40.72 | 10 | AAAA Min | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | ||
| 4 | Stephen Huang | 42.32 | 9 | AAA Min | AAAA: 41.49 (+0.83s | 2.0%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 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 | Albert Xiao | 43.70 | 10 | AA Min | AAA: 43.59 (+0.11s | 0.3%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 7 | 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 | |
| 8 | 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 | |
| 9 | 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 | |
| 10 | 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 | |
| 11 | Rubix Szolusha | 45.20 | 9 | AA Min | AAA: 43.59 (+1.61s | 3.6%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 12 | Ethan Locke | 45.78 | 9 | AA Min | AAA: 43.59 (+2.19s | 4.8%) | Unattached | 04/19/2025 | Alto Spring Jam Meet | |
| 13 | 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 | |
| 14 | 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 | |
| 15 | Aaron Wang | 46.49 | 9 | A Min | AA: 45.79 (+0.70s | 1.5%) | Milpitas Aquatic Club | 06/28/2024 | Valley Splash LCM C/B/A+ Meet | |
| 16 | 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 | |
| 17 | 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 | |
| 18 | Anay Datar | 47.28 | 10 | A Min | AA: 45.79 (+1.49s | 3.2%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 19 | Aurelius Lien | 47.51 | 8 | A Min | AA: 45.79 (+1.72s | 3.6%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 20 | Martin Decotigny | 47.68 | 9 | A Min | AA: 45.79 (+1.89s | 4.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 21 | Adam Li | 47.90 | 10 | BB Min | A: 47.89 (+0.01s | 0.0%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 22 | William Lao | 47.97 | 10 | BB Min | A: 47.89 (+0.08s | 0.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 23 | 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 | |
| 24 | Kai Okumura-Sokalski | 48.39 | 10 | BB Min | A: 47.89 (+0.50s | 1.0%) | Orinda Aquatics | 07/27/2024 | OAPB Summer Finale SCY/LCM Invitational | |
| 25 | Maksym Sichkovskyi | 48.74 | 10 | BB Min | A: 47.89 (+0.85s | 1.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 26 | Lucca Wang | 48.99 | 10 | BB Min | A: 47.89 (+1.10s | 2.2%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 27 | Maxwell Tam | 49.04 | 10 | BB Min | A: 47.89 (+1.15s | 2.3%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 28 | 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 | |
| 29 | Aaron Kuusela | 49.60 | 10 | BB Min | A: 47.89 (+1.71s | 3.4%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 30 | 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 | |
| 31 | Arthur Chen | 49.77 | 10 | BB Min | A: 47.89 (+1.88s | 3.8%) | Alto Swim Club | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 32 | Jozua Sugianto | 49.98 | 9 | BB Min | A: 47.89 (+2.09s | 4.2%) | Unattached | 04/19/2025 | Alto Spring Jam Meet | |
| 33 | 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 | |
| 34 | Nicholas Liu | 50.41 | 8 | BB Min | A: 47.89 (+2.52s | 5.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 35 | Elliott Chen | 50.48 | 9 | BB Min | A: 47.89 (+2.59s | 5.1%) | DeAnza Cupertino Aquatics | 06/07/2024 | DeAnza Cupertino Aquatics LCM C/B/A+ Meet | |
| 36 | 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 | |
| 37 | 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 | |
| 38 | Ishaan Karunanayake | 50.72 | 9 | BB Min | A: 47.89 (+2.83s | 5.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 39 | Jason Ye | 50.76 | 9 | BB Min | A: 47.89 (+2.87s | 5.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 40 | 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 | |
| 41 | Kayden Masongsong | 50.83 | 9 | BB Min | A: 47.89 (+2.94s | 5.8%) | Terrapins Swim Team | 06/08/2024 | Orinda Aquatics LCM C/B/BB+ Meet | |
| 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 | Aden Sun | 50.89 | 9 | BB Min | A: 47.89 (+3.00s | 5.9%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 44 | Ronel Acot | 50.96 | 10 | BB Min | A: 47.89 (+3.07s | 6.0%) | Palo Alto Stanford Aquatics | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 45 | 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 | |
| 46 | 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 | |
| 47 | 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 | |
| 48 | 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 | |
| 49 | Alan Hua | 51.32 | 9 | BB Min | A: 47.89 (+3.43s | 6.7%) | Milpitas Aquatic Club | 04/27/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 50 | 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 | |
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.