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 | 35.42 | 10 | AAAA Min | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | ||
| 2 | Ethan Locke | 36.22 | 10 | AAAA Min | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 3 | Rubix Szolusha | 37.03 | 10 | AAA Min | AAAA: 36.99 (+0.04s | 0.1%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 4 | Stephen Huang | 37.43 | 10 | AAA Min | AAAA: 36.99 (+0.44s | 1.2%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 5 | Sinan Ozgur | 37.65 | 10 | AAA Min | AAAA: 36.99 (+0.66s | 1.8%) | Pleasanton Seahawks | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 6 | Alexander Kovnatsky | 38.15 | 10 | AAA Min | AAAA: 36.99 (+1.16s | 3.0%) | Unattached | 07/11/2025 | 2025 Age Group Championships | |
| 7 | Marco Sun | 39.14 | 10 | AA Min | AAA: 38.99 (+0.15s | 0.4%) | Pleasanton Seahawks | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 8 | Jackson Lee | 39.25 | 10 | AA Min | AAA: 38.99 (+0.26s | 0.7%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 9 | Aurelius Lien | 39.41 | 9 | AA Min | AAA: 38.99 (+0.42s | 1.1%) | Santa Clara Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 10 | Ryan Latronica | 39.59 | 10 | AA Min | AAA: 38.99 (+0.60s | 1.5%) | Hills Hurricane Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 11 | Pace Bui | 39.60 | 10 | AA Min | AAA: 38.99 (+0.61s | 1.5%) | Fog City Hammerheads | 05/02/2026 | Alto Spring Jam CBA | |
| 12 | Conner Lo | 39.87 | 10 | AA Min | AAA: 38.99 (+0.88s | 2.2%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 13 | Lucas Pan | 40.76 | 9 | AA Min | AAA: 38.99 (+1.77s | 4.3%) | Santa Clara Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 14 | Nicholas Liu | 40.76 | 9 | AA Min | AAA: 38.99 (+1.77s | 4.3%) | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 15 | Benjamin Du | 41.05 | 10 | AA Min | AAA: 38.99 (+2.06s | 5.0%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 16 | Elliott Lindley | 41.23 | 9 | A Min | AA: 41.09 (+0.14s | 0.3%) | Los Altos Mountain View Aquati | 05/16/2026 | 2026 DACA LC CBA+ | |
| 17 | Jozua Sugianto | 41.43 | 10 | A Min | AA: 41.09 (+0.34s | 0.8%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | |
| 18 | Alex Joy | 41.51 | 10 | A Min | AA: 41.09 (+0.42s | 1.0%) | Los Altos Mountain View Aquati | 05/16/2026 | 2026 DACA LC CBA+ | |
| 19 | Toby Wong | 41.78 | 11 | A Min | AA: 41.09 (+0.69s | 1.7%) | Quicksilver Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 20 | Ozzy Su | 42.30 | 10 | A Min | AA: 41.09 (+1.21s | 2.9%) | Quicksilver Swimming | 07/11/2025 | 2025 Age Group Championships | |
| 21 | Yixuan Zhu | 42.48 | 10 | A Min | AA: 41.09 (+1.39s | 3.3%) | Pleasanton Seahawks | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 22 | Justin Chi | 42.62 | 9 | A Min | AA: 41.09 (+1.53s | 3.6%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 23 | Nico Losada-Saputo | 42.71 | 10 | A Min | AA: 41.09 (+1.62s | 3.8%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 24 | Luke Chai | 42.86 | 9 | A Min | AA: 41.09 (+1.77s | 4.1%) | Unattached | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 25 | Aarav Narayan | 43.10 | 10 | BB Min | A: 43.09 (+0.01s | 0.0%) | Pleasanton Seahawks | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 26 | Orion Blue-Smith | 43.22 | 10 | BB Min | A: 43.09 (+0.13s | 0.3%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 27 | Adrian Tu | 43.60 | 10 | BB Min | A: 43.09 (+0.51s | 1.2%) | Walnut Creek Aquabears | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 28 | Chayton Zhou | 43.73 | 9 | BB Min | A: 43.09 (+0.64s | 1.5%) | Pleasanton Seahawks | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 29 | Ilan Rattner | 43.74 | 9 | BB Min | A: 43.09 (+0.65s | 1.5%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 30 | Arthur Shackelton | 44.27 | 9 | BB Min | A: 43.09 (+1.18s | 2.7%) | Lakeridge Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 31 | Brett Baker | 44.29 | 10 | BB Min | A: 43.09 (+1.20s | 2.7%) | Burlingame Aquatics | 06/06/2025 | BAC C B A Meet | |
| 32 | Tatsumasa Sekine | 44.31 | 9 | BB Min | A: 43.09 (+1.22s | 2.8%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 33 | Jason Feng | 44.39 | 10 | BB Min | A: 43.09 (+1.30s | 2.9%) | Boys & Girls Club of SF | 04/19/2025 | Alto Spring Jam Meet | |
| 34 | Adam Ma | 44.47 | 10 | BB Min | A: 43.09 (+1.38s | 3.1%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 35 | Ryan Hamby | 44.62 | 9 | BB Min | A: 43.09 (+1.53s | 3.4%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 36 | Jason Ye | 44.82 | 10 | BB Min | A: 43.09 (+1.73s | 3.9%) | Alto Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 37 | Miro Wang | 44.94 | 10 | BB Min | A: 43.09 (+1.85s | 4.1%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 38 | Garrett Legg | 45.00 | 8 | BB Min | A: 43.09 (+1.91s | 4.2%) | Pleasanton Seahawks | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 39 | Daniel Reschke | 45.20 | 10 | BB Min | A: 43.09 (+2.11s | 4.7%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 40 | Adrian Goo | 45.26 | 10 | BB Min | A: 43.09 (+2.17s | 4.8%) | Walnut Creek Aquabears | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 41 | George Yu | 45.46 | 10 | BB Min | A: 43.09 (+2.37s | 5.2%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 42 | Eddie Bi | 45.82 | 9 | BB Min | A: 43.09 (+2.73s | 6.0%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 43 | Kyle Cheung | 45.94 | 10 | BB Min | A: 43.09 (+2.85s | 6.2%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 44 | Atharv Tiruke | 45.96 | 9 | BB Min | A: 43.09 (+2.87s | 6.2%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 45 | Maximilian Zhou | 46.10 | 9 | BB Min | A: 43.09 (+3.01s | 6.5%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 46 | Ethan Wang | 46.16 | 9 | BB Min | A: 43.09 (+3.07s | 6.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 47 | Noah Wu | 46.31 | 10 | BB Min | A: 43.09 (+3.22s | 7.0%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 48 | Louis Yu | 46.38 | 8 | BB Min | A: 43.09 (+3.29s | 7.1%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 49 | Jeremy Zhao | 46.52 | 9 | BB Min | A: 43.09 (+3.43s | 7.4%) | Quicksilver Swimming | 06/27/2025 | Valley Splash | |
| 50 | Darren Zhao | 46.54 | 9 | BB Min | A: 43.09 (+3.45s | 7.4%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
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.