Pacific Swimming Boys 10 & under - 50 Y 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 | 29.82 | 10 | AAAA Min | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | ||
| 2 | Albert Xiao | 30.37 | 10 | AAAA Min | Santa Clara Swim Club | 12/12/2025 | Winter SC Age Group Championships | ||
| 3 | Ethan Locke | 31.80 | 10 | AAAA Min | Alto Swim Club | 03/07/2026 | DACA CBA Meet | ||
| 4 | Ryan Latronica | 31.82 | 10 | AAAA Min | Hills Hurricane Swimming | 03/20/2026 | SCY Spring Age Group Championships | ||
| 5 | Rubix Szolusha | 31.82 | 10 | AAAA Min | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | ||
| 6 | Alexander Kovnatsky | 32.29 | 10 | AAA Min | AAAA: 32.19 (+0.10s | 0.3%) | Orinda Aquatics | 03/20/2026 | SCY Spring Age Group Championships | |
| 7 | Sinan Ozgur | 32.38 | 10 | AAA Min | AAAA: 32.19 (+0.19s | 0.6%) | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | |
| 8 | Thomas Sedano | 32.59 | 10 | AAA Min | AAAA: 32.19 (+0.40s | 1.2%) | Monterey Bay Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 9 | Stephen Huang | 32.61 | 10 | AAA Min | AAAA: 32.19 (+0.42s | 1.3%) | DeAnza Cupertino Aquatics | 12/12/2025 | Winter SC Age Group Championships | |
| 10 | Marco Sun | 33.02 | 10 | AAA Min | AAAA: 32.19 (+0.83s | 2.5%) | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | |
| 11 | Lucas Guo | 33.16 | 10 | AAA Min | AAAA: 32.19 (+0.97s | 2.9%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 12 | Aurelius Lien | 33.31 | 9 | AAA Min | AAAA: 32.19 (+1.12s | 3.4%) | Santa Clara Swim Club | 12/12/2025 | Winter SC Age Group Championships | |
| 13 | Shunsuke Suzuki | 33.57 | 10 | AAA Min | AAAA: 32.19 (+1.38s | 4.1%) | Palo Alto Stanford Aquatics | 03/20/2026 | SCY Spring Age Group Championships | |
| 14 | Pace Bui | 34.07 | 10 | AA Min | AAA: 33.99 (+0.08s | 0.2%) | Fog City Hammerheads | 03/20/2026 | SCY Spring Age Group Championships | |
| 15 | Adrian Tu | 34.10 | 10 | AA Min | AAA: 33.99 (+0.11s | 0.3%) | Walnut Creek Aquabears | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 16 | Nicholas Liu | 34.20 | 9 | AA Min | AAA: 33.99 (+0.21s | 0.6%) | Alto Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 17 | Martin Decotigny | 34.29 | 10 | AA Min | AAA: 33.99 (+0.30s | 0.9%) | Alto Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 18 | Jason Feng | 34.38 | 10 | AA Min | AAA: 33.99 (+0.39s | 1.1%) | Boys & Girls Club of SF | 12/12/2025 | Winter SC Age Group Championships | |
| 19 | Lucas Pan | 34.68 | 9 | AA Min | AAA: 33.99 (+0.69s | 2.0%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 20 | Ethan Qu | 34.75 | 10 | AA Min | AAA: 33.99 (+0.76s | 2.2%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 21 | Luke Chai | 34.81 | 9 | AA Min | AAA: 33.99 (+0.82s | 2.4%) | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | |
| 22 | Benjamin Shen | 34.87 | 10 | AA Min | AAA: 33.99 (+0.88s | 2.5%) | Orinda Aquatics | 12/12/2025 | Winter SC Age Group Championships | |
| 23 | Julian Phillips | 35.12 | 10 | AA Min | AAA: 33.99 (+1.13s | 3.2%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 24 | Alexander Fang | 35.12 | 10 | AA Min | AAA: 33.99 (+1.13s | 3.2%) | Reno Aquatic Club | 12/12/2025 | Winter SC Age Group Championships | |
| 25 | Jason Ye | 35.19 | 10 | AA Min | AAA: 33.99 (+1.20s | 3.4%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 26 | Conner Lo | 35.26 | 10 | AA Min | AAA: 33.99 (+1.27s | 3.6%) | DeAnza Cupertino Aquatics | 03/20/2026 | SCY Spring Age Group Championships | |
| 27 | Hei Chan | 35.53 | 10 | AA Min | AAA: 33.99 (+1.54s | 4.3%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 28 | Cameron Boitano | 35.81 | 10 | A Min | AA: 35.79 (+0.02s | 0.1%) | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | |
| 29 | Louis Yu | 35.90 | 8 | A Min | AA: 35.79 (+0.11s | 0.3%) | Santa Clara Swim Club | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 30 | Arthur Shackelton | 35.94 | 9 | A Min | AA: 35.79 (+0.15s | 0.4%) | Lakeridge Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 31 | Jackson Lee | 36.14 | 10 | A Min | AA: 35.79 (+0.35s | 1.0%) | Burlingame Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 32 | Jayden Zhu | 36.23 | 10 | A Min | AA: 35.79 (+0.44s | 1.2%) | Otter Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 33 | Leo Ferrante | 36.24 | 10 | A Min | AA: 35.79 (+0.45s | 1.2%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 34 | Johnathan Wang | 36.30 | 9 | A Min | AA: 35.79 (+0.51s | 1.4%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 35 | Jozua Sugianto | 36.31 | 10 | A Min | AA: 35.79 (+0.52s | 1.4%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 36 | Ethan Wang | 36.31 | 9 | A Min | AA: 35.79 (+0.52s | 1.4%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 37 | Ethan Kang | 36.43 | 10 | A Min | AA: 35.79 (+0.64s | 1.8%) | Santa Clara Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 38 | Muyang He | 36.50 | 9 | A Min | AA: 35.79 (+0.71s | 1.9%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 39 | Ilan Rattner | 36.61 | 9 | A Min | AA: 35.79 (+0.82s | 2.2%) | Sunnyvale Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 40 | Andreas Kwiram | 36.61 | 9 | A Min | AA: 35.79 (+0.82s | 2.2%) | Hills Hurricane Swimming | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 41 | Keaton Weathers | 36.62 | 10 | A Min | AA: 35.79 (+0.83s | 2.3%) | Walnut Creek Aquabears | 12/12/2025 | Winter SC Age Group Championships | |
| 42 | Cyrus Yang | 36.69 | 10 | A Min | AA: 35.79 (+0.90s | 2.5%) | Quicksilver Swimming | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 43 | Brett Baker | 36.74 | 10 | A Min | AA: 35.79 (+0.95s | 2.6%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 44 | Teddy Nichols | 36.76 | 10 | A Min | AA: 35.79 (+0.97s | 2.6%) | Seals Aquatics | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 45 | Orion Blue-Smith | 36.77 | 10 | A Min | AA: 35.79 (+0.98s | 2.7%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 46 | Tatsumasa Sekine | 36.79 | 9 | A Min | AA: 35.79 (+1.00s | 2.7%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 47 | Emmett Chen | 36.84 | 10 | A Min | AA: 35.79 (+1.05s | 2.9%) | San Ramon Valley Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 48 | Nico Losada-Saputo | 36.87 | 10 | A Min | AA: 35.79 (+1.08s | 2.9%) | Orinda Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 49 | Ozzy Su | 36.90 | 10 | A Min | AA: 35.79 (+1.11s | 3.0%) | Quicksilver Swimming | 12/06/2024 | 2024 Pacific Swimming Winter Age Group Champs | |
| 50 | George Yu | 36.96 | 10 | A Min | AA: 35.79 (+1.17s | 3.2%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
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.