Pacific Swimming Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Ethan Valdez | 30.47 | 10 | A Min | AA: 29.89 (+0.58s | 1.9%) | Bay Club Panthers | 02/22/2025 | 2025 Tri Venue Last Chance Meet PASA | |
| 52 | Charlie Seipel | 30.48 | 11 | A Min | AA: 29.89 (+0.59s | 1.9%) | Terrapins Swim Team | 12/12/2025 | Winter SC Age Group Championships | |
| 53 | Olivier Thomasson | 30.52 | 10 | A Min | AA: 29.89 (+0.63s | 2.1%) | Montclair Swim Team | 12/12/2025 | Winter SC Age Group Championships | |
| 54 | Jason Ye | 30.59 | 10 | A Min | AA: 29.89 (+0.70s | 2.3%) | Alto Swim Club | 12/12/2025 | Winter SC Age Group Championships | |
| 55 | Lucas Pan | 30.61 | 8 | A Min | AA: 29.89 (+0.72s | 2.4%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 56 | Thomas Sedano | 30.63 | 9 | A Min | AA: 29.89 (+0.74s | 2.4%) | Monterey Bay Swim Club | 12/12/2025 | Winter SC Age Group Championships | |
| 57 | Rex Brinkerhoff | 30.65 | 13 | A Min | AA: 29.89 (+0.76s | 2.5%) | East Bay Bat Rays | 09/27/2025 | PC LAC C B BB | |
| 58 | Jay Andresen | 30.66 | 10 | A Min | AA: 29.89 (+0.77s | 2.5%) | Lakeridge Swim Team | 08/01/2025 | 2025 High Country Short Course Championship | |
| 59 | Asher Young | 30.79 | 9 | A Min | AA: 29.89 (+0.90s | 2.9%) | Terrapins Swim Team | 07/26/2025 | Zone 2 Summer Championships | |
| 60 | Hunter Atkins | 30.84 | 9 | A Min | AA: 29.89 (+0.95s | 3.1%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 61 | Alexander Fang | 30.87 | 10 | A Min | AA: 29.89 (+0.98s | 3.2%) | Reno Aquatic Club | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 62 | Gavin Schwartz | 30.87 | 10 | A Min | AA: 29.89 (+0.98s | 3.2%) | North Bay Aquatics | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 63 | Leo Ferrante | 30.90 | 10 | A Min | AA: 29.89 (+1.01s | 3.3%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 64 | Jacob Song | 30.90 | 10 | A Min | AA: 29.89 (+1.01s | 3.3%) | Palo Alto Stanford Aquatics | 07/20/2025 | 2025 PASA Summer Palooza | |
| 65 | Sammuel Zhou | 30.92 | 10 | A Min | AA: 29.89 (+1.03s | 3.3%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 66 | Jason Feng | 30.95 | 10 | A Min | AA: 29.89 (+1.06s | 3.4%) | Boys & Girls Club of SF | 12/12/2025 | Winter SC Age Group Championships | |
| 67 | Emmett Adams | 31.07 | 10 | A Min | AA: 29.89 (+1.18s | 3.8%) | Reno Aquatic Club | 08/01/2025 | 2025 High Country Short Course Championship | |
| 68 | Aaron Kuusela | 31.10 | 10 | BB Min | A: 31.09 (+0.01s | 0.0%) | Alto Swim Club | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 69 | Nico Czelusta | 31.12 | 10 | BB Min | A: 31.09 (+0.03s | 0.1%) | Aptos Cabrillo Swim Club | 07/18/2025 | CVAL | |
| 70 | Kota Whitman | 31.13 | 10 | BB Min | A: 31.09 (+0.04s | 0.1%) | North Bay Aquatics | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 71 | Arthur Shackelton | 31.13 | 9 | BB Min | A: 31.09 (+0.04s | 0.1%) | Lakeridge Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 72 | Jamie Pan | 31.18 | 10 | BB Min | A: 31.09 (+0.09s | 0.3%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 73 | Adam Li | 31.24 | 10 | BB Min | A: 31.09 (+0.15s | 0.5%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 74 | Nolan Lu | 31.31 | 10 | BB Min | A: 31.09 (+0.22s | 0.7%) | DeAnza Cupertino Aquatics | 10/25/2025 | 2025 SUNN Fall Classic | |
| 75 | Jackson Lee | 31.38 | 10 | BB Min | A: 31.09 (+0.29s | 0.9%) | Burlingame Aquatics | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 76 | Jozua Sugianto | 31.39 | 10 | BB Min | A: 31.09 (+0.30s | 1.0%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 77 | Charles Liu Bates | 31.40 | 10 | BB Min | A: 31.09 (+0.31s | 1.0%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 78 | Jaxon Mendoza | 31.41 | 10 | BB Min | A: 31.09 (+0.32s | 1.0%) | San Benito Aquatics | 10/25/2025 | GGST Spooktacular 2025 | |
| 79 | Ozzy Su | 31.42 | 9 | BB Min | A: 31.09 (+0.33s | 1.1%) | Quicksilver Swimming | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 80 | Micah Connell | 31.46 | 10 | BB Min | A: 31.09 (+0.37s | 1.2%) | Quicksilver Swimming | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 81 | Deren Chai | 31.54 | 10 | BB Min | A: 31.09 (+0.45s | 1.4%) | Pleasanton Seahawks | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 82 | Arthur Chen | 31.67 | 10 | BB Min | A: 31.09 (+0.58s | 1.8%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 83 | Connor Dennis | 31.71 | 10 | BB Min | A: 31.09 (+0.62s | 2.0%) | Pacifica Sea Lions | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 84 | Jason Yin | 31.76 | 9 | BB Min | A: 31.09 (+0.67s | 2.1%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 85 | Adam Ma | 31.83 | 10 | BB Min | A: 31.09 (+0.74s | 2.3%) | California Dolphins Swim Team | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 86 | Julian Phillips | 31.97 | 10 | BB Min | A: 31.09 (+0.88s | 2.8%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 87 | Hei Chan | 31.97 | 10 | BB Min | A: 31.09 (+0.88s | 2.8%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 88 | Benjamin Shen | 32.00 | 10 | BB Min | A: 31.09 (+0.91s | 2.8%) | Orinda Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 89 | Christian Hernandez | 32.09 | 10 | BB Min | A: 31.09 (+1.00s | 3.1%) | Walnut Creek Aquabears | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 90 | Adrian Tu | 32.10 | 10 | BB Min | A: 31.09 (+1.01s | 3.1%) | Walnut Creek Aquabears | 12/12/2025 | Winter SC Age Group Championships | |
| 91 | Adi Bisht | 32.12 | 10 | BB Min | A: 31.09 (+1.03s | 3.2%) | Valley Splash | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 92 | Oliver Maa | 32.14 | 10 | BB Min | A: 31.09 (+1.05s | 3.3%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 93 | Liam Marciel | 32.15 | 8 | BB Min | A: 31.09 (+1.06s | 3.3%) | South Valley Makos | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 94 | Chayton Zhou | 32.21 | 8 | BB Min | A: 31.09 (+1.12s | 3.5%) | Pleasanton Seahawks | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 95 | Jayden Zhu | 32.25 | 10 | BB Min | A: 31.09 (+1.16s | 3.6%) | Otter Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 96 | Sawyer Thomas | 32.25 | 10 | BB Min | A: 31.09 (+1.16s | 3.6%) | North Bay Aquatics | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 97 | Barrett Buffington | 32.36 | 10 | BB Min | A: 31.09 (+1.27s | 3.9%) | Northern Nevada Aquatics | 09/12/2025 | Molly Lahlum Memorial Autumn Freeze | |
| 98 | Konnor Pham-Nguyen | 32.37 | 10 | BB Min | A: 31.09 (+1.28s | 4.0%) | Alameda Gators | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | |
| 99 | Tatsumasa Sekine | 32.38 | 8 | BB Min | A: 31.09 (+1.29s | 4.0%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 100 | Mateo Sison | 32.38 | 10 | BB Min | A: 31.09 (+1.29s | 4.0%) | San Ramon Valley Aquatics | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
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.