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 | 9 | AAAA Min | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | ||
| 2 | Albert Xiao | 35.45 | 10 | AAAA Min | Santa Clara Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 3 | Ethan Locke | 36.22 | 10 | AAAA Min | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 4 | Rubix Szolusha | 37.03 | 9 | AAA Min | AAAA: 36.99 (+0.04s | 0.1%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 5 | Kayden Masongsong | 38.00 | 10 | AAA Min | AAAA: 36.99 (+1.01s | 2.7%) | Terrapins Swim Team | 07/11/2025 | 2025 Age Group Championships | |
| 6 | Stephen Huang | 38.07 | 9 | AAA Min | AAAA: 36.99 (+1.08s | 2.8%) | DeAnza Cupertino Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 7 | Alexander Kovnatsky | 38.15 | 9 | AAA Min | AAAA: 36.99 (+1.16s | 3.0%) | Unattached | 07/11/2025 | 2025 Age Group Championships | |
| 8 | Lucas Jiang | 38.17 | 10 | AAA Min | AAAA: 36.99 (+1.18s | 3.1%) | Quicksilver Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 9 | Sinan Ozgur | 39.08 | 9 | AA Min | AAA: 38.99 (+0.09s | 0.2%) | Pleasanton Seahawks | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 10 | Marco Sun | 39.14 | 9 | AA Min | AAA: 38.99 (+0.15s | 0.4%) | Pleasanton Seahawks | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 11 | Ronel Acot | 39.30 | 10 | AA Min | AAA: 38.99 (+0.31s | 0.8%) | Palo Alto Stanford Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 12 | Aurelius Lien | 39.41 | 8 | AA Min | AAA: 38.99 (+0.42s | 1.1%) | Santa Clara Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 13 | Ryan Latronica | 39.59 | 9 | AA Min | AAA: 38.99 (+0.60s | 1.5%) | Hills Hurricane Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 14 | Gavin Schwartz | 39.66 | 10 | AA Min | AAA: 38.99 (+0.67s | 1.7%) | North Bay Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 15 | Mateo Finegold | 40.17 | 10 | AA Min | AAA: 38.99 (+1.18s | 2.9%) | Palo Alto Stanford Aquatics | 07/11/2025 | 2025 Age Group Championships | |
| 16 | Alexander Fang | 40.21 | 10 | AA Min | AAA: 38.99 (+1.22s | 3.0%) | Reno Aquatic Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 17 | Oscar Holler | 40.21 | 10 | AA Min | AAA: 38.99 (+1.22s | 3.0%) | Milpitas Aquatic Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 18 | Sebastian Guevara | 40.55 | 10 | AA Min | AAA: 38.99 (+1.56s | 3.8%) | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 19 | Lucas Pan | 40.76 | 8 | AA Min | AAA: 38.99 (+1.77s | 4.3%) | Santa Clara Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 20 | 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 | |
| 21 | Eli Shapiro | 40.81 | 10 | AA Min | AAA: 38.99 (+1.82s | 4.5%) | Lakeridge Swim Team | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | |
| 22 | Robert Gergardt | 40.83 | 10 | AA Min | AAA: 38.99 (+1.84s | 4.5%) | Quicksilver Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 23 | Charles Liu Bates | 40.88 | 10 | AA Min | AAA: 38.99 (+1.89s | 4.6%) | California Dolphins Swim Team | 07/11/2025 | 2025 Age Group Championships | |
| 24 | Shunsuke Suzuki | 40.93 | 10 | AA Min | AAA: 38.99 (+1.94s | 4.7%) | Palo Alto Stanford Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 25 | Benjamin Du | 41.05 | 9 | AA Min | AAA: 38.99 (+2.06s | 5.0%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 26 | 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+ | |
| 27 | 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 | |
| 28 | Martin Decotigny | 41.74 | 10 | A Min | AA: 41.09 (+0.65s | 1.6%) | Alto Swim Club | 07/11/2025 | 2025 Age Group Championships | |
| 29 | Toby Wong | 41.78 | 10 | A Min | AA: 41.09 (+0.69s | 1.7%) | Quicksilver Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 30 | Jack Swaffin-Smith | 41.91 | 10 | A Min | AA: 41.09 (+0.82s | 2.0%) | Unattached | 06/20/2025 | 2025 Falfins Long Course Open | |
| 31 | Deren Chai | 42.03 | 10 | A Min | AA: 41.09 (+0.94s | 2.2%) | Pleasanton Seahawks | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 32 | Jay Andresen | 42.17 | 10 | A Min | AA: 41.09 (+1.08s | 2.6%) | Lakeridge Swim Team | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | |
| 33 | Ozzy Su | 42.30 | 9 | A Min | AA: 41.09 (+1.21s | 2.9%) | Quicksilver Swimming | 07/11/2025 | 2025 Age Group Championships | |
| 34 | Lucas Guo | 42.44 | 10 | A Min | AA: 41.09 (+1.35s | 3.2%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 35 | Jonah Hoffman | 42.65 | 10 | A Min | AA: 41.09 (+1.56s | 3.7%) | Humboldt Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 36 | Luke Chai | 42.86 | 8 | A Min | AA: 41.09 (+1.77s | 4.1%) | Unattached | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 37 | Emmett Adams | 42.93 | 10 | A Min | AA: 41.09 (+1.84s | 4.3%) | Reno Aquatic Club | 06/20/2025 | Reno Aquatic Club Gamble | |
| 38 | Pace Bui | 43.03 | 9 | A Min | AA: 41.09 (+1.94s | 4.5%) | Sfrp Rossi Swim Team | 06/06/2025 | BAC C B A Meet | |
| 39 | Aaron Hung | 43.30 | 10 | BB Min | A: 43.09 (+0.21s | 0.5%) | Palo Alto Stanford Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 40 | Aaron Kuusela | 43.37 | 10 | BB Min | A: 43.09 (+0.28s | 0.6%) | Alto Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 41 | Olivier Thomasson | 43.41 | 10 | BB Min | A: 43.09 (+0.32s | 0.7%) | Montclair Swim Team | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 42 | 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 | |
| 43 | 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+ | |
| 44 | Ishaan Karunanayake | 43.84 | 10 | BB Min | A: 43.09 (+0.75s | 1.7%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 45 | Emmett Chen | 44.15 | 10 | BB Min | A: 43.09 (+1.06s | 2.4%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 46 | Conner Lo | 44.16 | 10 | BB Min | A: 43.09 (+1.07s | 2.4%) | DeAnza Cupertino Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 47 | Arthur Shackelton | 44.27 | 9 | BB Min | A: 43.09 (+1.18s | 2.7%) | Lakeridge Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 48 | Brett Baker | 44.29 | 10 | BB Min | A: 43.09 (+1.20s | 2.7%) | Burlingame Aquatics | 06/06/2025 | BAC C B A Meet | |
| 49 | Tatsumasa Sekine | 44.31 | 8 | BB Min | A: 43.09 (+1.22s | 2.8%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 50 | Sean Tseng | 44.35 | 10 | BB Min | A: 43.09 (+1.26s | 2.8%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
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.