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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Woohyun Kim | 46.76 | 8 | B Min | BB: 42.89 (+3.87s | 8.3%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 402 | Bruce Zhang | 46.78 | 9 | B Min | BB: 42.89 (+3.89s | 8.3%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 403 | Elliott Lee Chan Kam | 46.83 | 9 | B Min | BB: 42.89 (+3.94s | 8.4%) | Alto Swim Club | 10/25/2025 | 2025 SUNN Fall Classic | |
| 404 | Isaac Welmerink | 46.87 | 9 | B Min | BB: 42.89 (+3.98s | 8.5%) | Lakeridge Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 405 | Orion Boudreaux | 46.87 | 10 | B Min | BB: 42.89 (+3.98s | 8.5%) | Napa Valley Swim Team | 09/20/2025 | WANV CBA+ Endless Summer Meet | |
| 406 | Joohwan Kim | 46.98 | 8 | B Min | BB: 42.89 (+4.09s | 8.7%) | DeAnza Cupertino Aquatics | 12/06/2025 | Alto Dec 6 7 CBA | |
| 407 | Damon Shao | 47.04 | 9 | B Min | BB: 42.89 (+4.15s | 8.8%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 408 | Aiden Hu | 47.07 | 10 | B Min | BB: 42.89 (+4.18s | 8.9%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 409 | Giacomo Morara | 47.07 | 10 | B Min | BB: 42.89 (+4.18s | 8.9%) | Bay Club Panthers | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 410 | Charles Zheng | 47.09 | 8 | B Min | BB: 42.89 (+4.20s | 8.9%) | California Dolphins Swim Team | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | |
| 411 | John Patane | 47.09 | 8 | B Min | BB: 42.89 (+4.20s | 8.9%) | Sonoma Sea Dragons | 11/22/2025 | Thankswimming Classic 2025 | |
| 412 | Cooper Pellegrini | 47.11 | 10 | B Min | BB: 42.89 (+4.22s | 9.0%) | Piranha Swimming | 03/22/2025 | PC PRNA CBA+ Spring Surge Swim To Win | |
| 413 | Charles Li | 47.14 | 9 | B Min | BB: 42.89 (+4.25s | 9.0%) | South San Francisco Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 414 | Robert Kolesnik | 47.16 | 9 | B Min | BB: 42.89 (+4.27s | 9.1%) | Bulldog Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 415 | Mason Cao | 47.22 | 9 | B Min | BB: 42.89 (+4.33s | 9.2%) | Santa Clara Swim Club | 10/04/2024 | SCSC Pacific Swimming Short Cours C B A+ Meet | |
| 416 | Reyansh Kini | 47.25 | 10 | B Min | BB: 42.89 (+4.36s | 9.2%) | San Ramon Valley Aquatics | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 417 | Reid Barylski | 47.31 | 9 | B Min | BB: 42.89 (+4.42s | 9.3%) | Neptune Swimming | 07/26/2025 | 2025 REAL Championships | |
| 418 | Cole Stamps | 47.31 | 10 | B Min | BB: 42.89 (+4.42s | 9.3%) | Seaside Aquatic Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 419 | Harry Zang | 47.33 | 10 | B Min | BB: 42.89 (+4.44s | 9.4%) | Otter Swim Club | 02/22/2025 | BAC C B A Meet | |
| 420 | Landon Thomassian | 47.34 | 9 | B Min | BB: 42.89 (+4.45s | 9.4%) | Almaden Riptide | 10/25/2025 | GGST Spooktacular 2025 | |
| 421 | Jeffrey Li | 47.37 | 9 | B Min | BB: 42.89 (+4.48s | 9.5%) | Sunnyvale Swim Club | 01/10/2026 | BAC Norman Cutler Memorial | |
| 422 | Julian Zhang | 47.38 | 10 | B Min | BB: 42.89 (+4.49s | 9.5%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 423 | Benjamin Du | 47.39 | 10 | B Min | BB: 42.89 (+4.50s | 9.5%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 424 | Aiden Kan | 47.42 | 10 | B Min | BB: 42.89 (+4.53s | 9.6%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 425 | Aymes Shi | 47.46 | 8 | B Min | BB: 42.89 (+4.57s | 9.6%) | Quicksilver Swimming | 03/22/2024 | 2024 Milpitas Aquatic Club SC CBA+ Meet | |
| 426 | Marcus Zhu | 47.53 | 10 | B Min | BB: 42.89 (+4.64s | 9.8%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 427 | Dohjin Park | 47.53 | 9 | B Min | BB: 42.89 (+4.64s | 9.8%) | Los Gatos Swim Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 428 | Barron Vellonen | 47.54 | 9 | B Min | BB: 42.89 (+4.65s | 9.8%) | Monterey Bay Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 429 | Vihaan Menon | 47.54 | 10 | B Min | BB: 42.89 (+4.65s | 9.8%) | Milpitas Aquatic Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 430 | James Xiao | 47.55 | 9 | B Min | BB: 42.89 (+4.66s | 9.8%) | Otter Swim Club | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 431 | Sebastian Dudenko | 47.60 | 8 | B Min | BB: 42.89 (+4.71s | 9.9%) | California Dolphins Swim Team | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 432 | Viggo Spohn | 47.61 | 7 | B Min | BB: 42.89 (+4.72s | 9.9%) | Unattached | 03/01/2024 | TERA SCY C B BB+ Meet | |
| 433 | Christopher Chi | 47.63 | 10 | B Min | BB: 42.89 (+4.74s | 10.0%) | DeAnza Cupertino Aquatics | 07/19/2025 | 2025 DACA SC CBA Meet | |
| 434 | Adam Alkhayru | 47.65 | 8 | B Min | BB: 42.89 (+4.76s | 10.0%) | Reno Aquatic Club | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 435 | Elliott Poe Brown | 47.65 | 8 | B Min | BB: 42.89 (+4.76s | 10.0%) | Burlingame Aquatics | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 436 | Evan Kim | 47.66 | 9 | B Min | BB: 42.89 (+4.77s | 10.0%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | |
| 437 | Will Casley | 47.68 | 10 | B Min | BB: 42.89 (+4.79s | 10.0%) | Sebastopol Sea Serpents | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 438 | Kaan Tufan | 47.68 | 8 | B Min | BB: 42.89 (+4.79s | 10.0%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 439 | Kunal Agarwal | 47.69 | 10 | B Min | BB: 42.89 (+4.80s | 10.1%) | California Dolphins Swim Team | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 440 | Aaron Lee | 47.69 | 10 | B Min | BB: 42.89 (+4.80s | 10.1%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 441 | Colin Hunger | 47.72 | 9 | B Min | BB: 42.89 (+4.83s | 10.1%) | Piranha Swimming | 12/13/2025 | SDAT Winter Pentathlon | |
| 442 | Julian Kau | 47.76 | 10 | B Min | BB: 42.89 (+4.87s | 10.2%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 443 | David Tan | 47.77 | 8 | B Min | BB: 42.89 (+4.88s | 10.2%) | Pacifica Sea Lions | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 444 | Bodhi Barefoot | 47.79 | 10 | B Min | BB: 42.89 (+4.90s | 10.3%) | Mendocino Coast Sea Dragons | 11/22/2025 | Thankswimming Classic 2025 | |
| 445 | Henry Huang | 47.79 | 9 | B Min | BB: 42.89 (+4.90s | 10.3%) | Daly City Dolphins | 02/07/2026 | 2026 PSL Super Finals Invitational | |
| 446 | Derek Feng | 47.81 | 9 | B Min | BB: 42.89 (+4.92s | 10.3%) | San Ramon Valley Aquatics | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | |
| 447 | Griffin Arroyo | 47.94 | 8 | B Min | BB: 42.89 (+5.05s | 10.5%) | Walnut Creek Aquabears | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 448 | Carter Vizcarra | 47.95 | 8 | B Min | BB: 42.89 (+5.06s | 10.6%) | Neptune Swimming | 09/27/2024 | Neptune Swimming Fall Classic | |
| 449 | Victor Secor | 47.96 | 8 | B Min | BB: 42.89 (+5.07s | 10.6%) | Piedmont Swim Team | 03/22/2025 | Albany Armada Aquatics SC C B BB+ | |
| 450 | Maximilian Kuo | 48.02 | 6 | B Min | BB: 42.89 (+5.13s | 10.7%) | California Dolphins Swim Team | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
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.