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 | 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 | |
| 402 | 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 | |
| 403 | Luke Mangoba | 47.08 | 10 | B Min | BB: 42.89 (+4.19s | 8.9%) | Reno Aquatic Club | 09/12/2025 | Molly Lahlum Memorial Autumn Freeze | |
| 404 | John Patane | 47.09 | 8 | B Min | BB: 42.89 (+4.20s | 8.9%) | Sonoma Sea Dragons | 11/22/2025 | Thankswimming Classic 2025 | |
| 405 | 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 | |
| 406 | 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 | |
| 407 | 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 | |
| 408 | Gabriel Dieme | 47.19 | 10 | B Min | BB: 42.89 (+4.30s | 9.1%) | Humboldt Swim Club | 11/22/2025 | Thankswimming Classic 2025 | |
| 409 | 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 | |
| 410 | 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 | |
| 411 | Kieran McLennan | 47.27 | 8 | B Min | BB: 42.89 (+4.38s | 9.3%) | Unattached | 10/25/2025 | 2025 SUNN Fall Classic | |
| 412 | Kai Mihov | 47.30 | 9 | B Min | BB: 42.89 (+4.41s | 9.3%) | Palo Alto Stanford Aquatics | 03/22/2025 | 2025 Los Altos Mountain View SC CBA Meet | |
| 413 | 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 | |
| 414 | Reid Barylski | 47.31 | 9 | B Min | BB: 42.89 (+4.42s | 9.3%) | Neptune Swimming | 07/26/2025 | 2025 REAL Championships | |
| 415 | 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 | |
| 416 | Landon Thomassian | 47.34 | 9 | B Min | BB: 42.89 (+4.45s | 9.4%) | Almaden Riptide | 10/25/2025 | GGST Spooktacular 2025 | |
| 417 | 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 | |
| 418 | 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 | |
| 419 | 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 | |
| 420 | Amir Toleubek | 47.46 | 8 | B Min | BB: 42.89 (+4.57s | 9.6%) | Alto Swim Club | 02/24/2024 | BAC Last Chance C B A+ | |
| 421 | 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 | |
| 422 | Alejandro Rangel | 47.49 | 10 | B Min | BB: 42.89 (+4.60s | 9.7%) | Quicksilver Swimming | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 423 | Itai Nadav | 47.50 | 9 | B Min | BB: 42.89 (+4.61s | 9.7%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 424 | 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 | |
| 425 | Boyte Howell | 47.54 | 10 | B Min | BB: 42.89 (+4.65s | 9.8%) | Palo Alto Stanford Aquatics | 07/20/2025 | 2025 PASA Summer Palooza | |
| 426 | 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 | |
| 427 | 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 | |
| 428 | 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+ | |
| 429 | 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 | |
| 430 | Viggo Spohn | 47.61 | 7 | B Min | BB: 42.89 (+4.72s | 9.9%) | Unattached | 03/01/2024 | TERA SCY C B BB+ Meet | |
| 431 | Zhouhan Yang | 47.62 | 9 | B Min | BB: 42.89 (+4.73s | 9.9%) | Alto Swim Club | 02/01/2025 | Alto Swim Club Valentine Classic | |
| 432 | 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 | |
| 433 | 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 | |
| 434 | Jaiden Yap | 47.67 | 9 | B Min | BB: 42.89 (+4.78s | 10.0%) | Santa Clara Swim Club | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 435 | 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 | |
| 436 | 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 | |
| 437 | 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 | |
| 438 | 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+ | |
| 439 | Bodhi Barefoot | 47.79 | 10 | B Min | BB: 42.89 (+4.90s | 10.3%) | Mendocino Coast Sea Dragons | 11/22/2025 | Thankswimming Classic 2025 | |
| 440 | Shayan Sarkar | 47.79 | 9 | B Min | BB: 42.89 (+4.90s | 10.3%) | Diablo Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 441 | Damon Shao | 47.81 | 9 | B Min | BB: 42.89 (+4.92s | 10.3%) | Alto Swim Club | 12/06/2025 | Alto Dec 6 7 CBA | |
| 442 | Bruce Zhang | 47.81 | 9 | B Min | BB: 42.89 (+4.92s | 10.3%) | Alto Swim Club | 12/06/2025 | Alto Dec 6 7 CBA | |
| 443 | 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 | |
| 444 | Elijah Hodges | 47.92 | 10 | B Min | BB: 42.89 (+5.03s | 10.5%) | Sunnyvale Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 445 | Olivier Thomasson | 47.92 | 9 | B Min | BB: 42.89 (+5.03s | 10.5%) | Montclair Swim Team | 05/19/2024 | Montclair 14 U Pentathlon | |
| 446 | Calvin Jacobson | 47.92 | 10 | B Min | BB: 42.89 (+5.03s | 10.5%) | Otter Swim Club | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 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 | Arwin Safaee | 48.00 | 9 | B Min | BB: 42.89 (+5.11s | 10.6%) | Alto Swim Club | 02/01/2025 | Alto Swim Club Valentine Classic | |
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.