Pacific Swimming Boys 10 & under - 50 M Back
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 | Robert Legg | 37.35 | 9 | AAA Min | AAAA: 36.99 (+0.36s | 1.0%) | Pleasanton Seahawks | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 2 | Albert Xiao | 38.21 | 10 | AAA Min | AAAA: 36.99 (+1.22s | 3.2%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 3 | Kai Okumura-Sokalski | 38.46 | 10 | AAA Min | AAAA: 36.99 (+1.47s | 3.8%) | Orinda Aquatics | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 4 | Rubix Szolusha | 38.61 | 9 | AAA Min | AAAA: 36.99 (+1.62s | 4.2%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 5 | Ethan Locke | 38.65 | 9 | AAA Min | AAAA: 36.99 (+1.66s | 4.3%) | Unattached | 04/19/2025 | Alto Spring Jam Meet | |
| 6 | Kayden Masongsong | 39.28 | 10 | AA Min | AAA: 38.99 (+0.29s | 0.7%) | Terrapins Swim Team | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 7 | Stephen Huang | 39.48 | 9 | AA Min | AAA: 38.99 (+0.49s | 1.2%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 8 | Andrew Halterman | 39.53 | 10 | AA Min | AAA: 38.99 (+0.54s | 1.4%) | Reno Aquatic Club | 07/25/2024 | LCM Far Western Championships (host: SCSC) | |
| 9 | Marco Sun | 40.08 | 9 | AA Min | AAA: 38.99 (+1.09s | 2.7%) | Pleasanton Seahawks | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 10 | Aurelius Lien | 40.21 | 8 | AA Min | AAA: 38.99 (+1.22s | 3.0%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 11 | Nathan Wu | 40.67 | 10 | AA Min | AAA: 38.99 (+1.68s | 4.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 12 | Sinan Ozgur | 40.68 | 9 | AA Min | AAA: 38.99 (+1.69s | 4.2%) | Pleasanton Seahawks | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 13 | William Lao | 40.85 | 10 | AA Min | AAA: 38.99 (+1.86s | 4.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 14 | Davin Tambuwun | 40.86 | 10 | AA Min | AAA: 38.99 (+1.87s | 4.6%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 15 | Lucca Wang | 41.04 | 10 | AA Min | AAA: 38.99 (+2.05s | 5.0%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 16 | Jason Korajkic | 41.25 | 10 | A Min | AA: 41.09 (+0.16s | 0.4%) | Walnut Creek Aquabears | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 17 | Anay Datar | 41.31 | 10 | A Min | AA: 41.09 (+0.22s | 0.5%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 18 | Sebastian Guevara | 41.33 | 9 | A Min | AA: 41.09 (+0.24s | 0.6%) | Alto Swim Club | 07/12/2024 | Adam Szmidt LCM 14 & Under Age Group Championship (host: TERA) | |
| 19 | Adam Li | 41.35 | 10 | A Min | AA: 41.09 (+0.26s | 0.6%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 20 | Craig Apuada | 41.54 | 10 | A Min | AA: 41.09 (+0.45s | 1.1%) | Quicksilver Swimming | 07/25/2024 | LCM Far Western Championships (host: SCSC) | |
| 21 | Jiarui Fu | 41.65 | 9 | A Min | AA: 41.09 (+0.56s | 1.3%) | Milpitas Aquatic Club | 05/25/2024 | Mike Snyder Memorial Meet (amended 4/15) | |
| 22 | Charles Liu Bates | 41.65 | 10 | A Min | AA: 41.09 (+0.56s | 1.3%) | California Dolphins Swim Team | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 23 | Ronel Acot | 42.07 | 10 | A Min | AA: 41.09 (+0.98s | 2.3%) | Palo Alto Stanford Aquatics | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 24 | Nicholas Liu | 42.21 | 8 | A Min | AA: 41.09 (+1.12s | 2.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 25 | Ryan Latronica | 42.29 | 9 | A Min | AA: 41.09 (+1.20s | 2.8%) | Hills Hurricane Swimming | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 26 | Lucas Jiang | 42.39 | 9 | A Min | AA: 41.09 (+1.30s | 3.1%) | Quicksilver Swimming | 07/12/2024 | Adam Szmidt LCM 14 & Under Age Group Championship (host: TERA) | |
| 27 | Maksym Sichkovskyi | 42.90 | 10 | A Min | AA: 41.09 (+1.81s | 4.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 28 | Finn Reese | 42.95 | 9 | A Min | AA: 41.09 (+1.86s | 4.3%) | Lakeridge Swim Team | 07/12/2024 | NNA Silver State Championship Meet T&F | |
| 29 | Gordon Huang | 43.00 | 9 | A Min | AA: 41.09 (+1.91s | 4.4%) | Quicksilver Swimming | 06/28/2024 | Valley Splash LCM C/B/A+ Meet | |
| 30 | Shunsuke Suzuki | 43.11 | 9 | BB Min | A: 43.09 (+0.02s | 0.0%) | Palo Alto Stanford Aquatics | 04/26/2025 | Merced Skimmers Long Course Meet | |
| 31 | Deren Chai | 43.33 | 9 | BB Min | A: 43.09 (+0.24s | 0.6%) | Pleasanton Seahawks | 06/08/2024 | 2024 PC CDST Long Course C/B/BB+ | |
| 32 | Deren Chai | 43.33 | 9 | BB Min | A: 43.09 (+0.24s | 0.6%) | Pleasanton Seahawks | 06/08/2024 | California Dolphins Swim Team LCM C/B/BB+ Meet | |
| 33 | Jack Swaffin-Smith | 43.61 | 10 | BB Min | A: 43.09 (+0.52s | 1.2%) | Unattached | 04/19/2025 | Alto Spring Jam Meet | |
| 34 | Nico Losada-Saputo | 43.72 | 9 | BB Min | A: 43.09 (+0.63s | 1.4%) | Orinda Aquatics | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 35 | Jeffrey Sun | 44.23 | 9 | BB Min | A: 43.09 (+1.14s | 2.6%) | Santa Clara Swim Club | 05/25/2024 | SCSC LCM Intrasquad Meet | |
| 36 | Lucas Zhou | 44.28 | 9 | BB Min | A: 43.09 (+1.19s | 2.7%) | Milpitas Aquatic Club | 07/20/2024 | ALTO LCM Last Splash Invitational Meet | |
| 37 | Eli Shapiro | 44.31 | 9 | BB Min | A: 43.09 (+1.22s | 2.8%) | Lakeridge Swim Team | 05/24/2024 | Intermountain Classic Age Group Open (host: CARS) | |
| 38 | Conner Lo | 44.33 | 10 | BB Min | A: 43.09 (+1.24s | 2.8%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 39 | Elliott Chen | 44.39 | 10 | BB Min | A: 43.09 (+1.30s | 2.9%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 40 | Jason Feng | 44.39 | 9 | BB Min | A: 43.09 (+1.30s | 2.9%) | Boys & Girls Club of SF | 04/19/2025 | Alto Spring Jam Meet | |
| 41 | Martin Decotigny | 44.51 | 9 | BB Min | A: 43.09 (+1.42s | 3.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 42 | Luke Chai | 44.70 | 8 | BB Min | A: 43.09 (+1.61s | 3.6%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 43 | Ming Chong | 44.71 | 10 | BB Min | A: 43.09 (+1.62s | 3.6%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 44 | Tavis Williams | 44.80 | 10 | BB Min | A: 43.09 (+1.71s | 3.8%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 45 | Ethan Kang | 44.97 | 9 | BB Min | A: 43.09 (+1.88s | 4.2%) | Santa Clara Swim Club | 06/28/2024 | Valley Splash LCM C/B/A+ Meet | |
| 46 | Jozua Sugianto | 45.00 | 9 | BB Min | A: 43.09 (+1.91s | 4.2%) | California Dolphins Swim Team | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 47 | Adrian Tu | 45.01 | 9 | BB Min | A: 43.09 (+1.92s | 4.3%) | Walnut Creek Aquabears | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 48 | Li Huang | 45.17 | 8 | BB Min | A: 43.09 (+2.08s | 4.6%) | Santa Clara Swim Club | 06/09/2023 | SCSC LCM Intrasquad Meet | |
| 49 | Emmett Chen | 45.22 | 9 | BB Min | A: 43.09 (+2.13s | 4.7%) | Crow Canyon Sharks | 06/29/2024 | ALTO Summer Swelter LCM Invitational | |
| 50 | Arthur Chen | 45.30 | 10 | BB Min | A: 43.09 (+2.21s | 4.9%) | Alto Swim Club | 06/29/2024 | ALTO Summer Swelter LCM Invitational | |
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.