Pacific Swimming Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Shaun Bonifacio | 50.44 | 11 | B Min | BB: 47.69 (+2.75s | 5.5%) | California Dolphins Swim Team | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | |
| 302 | Jordan Chan | 50.44 | 8 | B Min | BB: 47.69 (+2.75s | 5.5%) | Daly City Dolphins | 12/14/2024 | 2024 DCD Winter Holiday Spalsh | |
| 303 | Ilan Rattner | 50.45 | 9 | B Min | BB: 47.69 (+2.76s | 5.5%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | |
| 304 | Maximilian Zhou | 50.50 | 8 | B Min | BB: 47.69 (+2.81s | 5.6%) | Alto Swim Club | 12/06/2025 | Alto Dec 6 7 CBA | |
| 305 | Hohyeon Cho | 50.51 | 9 | B Min | BB: 47.69 (+2.82s | 5.6%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 306 | Amar Alwattar | 50.60 | 9 | B Min | BB: 47.69 (+2.91s | 5.8%) | Montclair Swim Team | 05/18/2025 | Montclair 14 Under Short Course Pentathlon | |
| 307 | Leo Chen | 50.60 | 10 | B Min | BB: 47.69 (+2.91s | 5.8%) | Quicksilver Swimming | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 308 | Aleksander Skrzypacz | 50.61 | 10 | B Min | BB: 47.69 (+2.92s | 5.8%) | Stanford Campus Recreation Ass | 12/06/2025 | Alto Dec 6 7 CBA | |
| 309 | Alex Joy | 50.65 | 10 | B Min | BB: 47.69 (+2.96s | 5.8%) | Los Altos Mountain View Aquati | 10/25/2025 | 2025 SUNN Fall Classic | |
| 310 | William Ross | 50.65 | 8 | B Min | BB: 47.69 (+2.96s | 5.8%) | Orinda Country Club | 11/12/2023 | Fall Jamboree Invitational 2023 | |
| 311 | Charlie Wang | 50.66 | 8 | B Min | BB: 47.69 (+2.97s | 5.9%) | DeAnza Cupertino Aquatics | 10/25/2025 | 2025 SUNN Fall Classic | |
| 312 | Amos Taub | 50.72 | 9 | B Min | BB: 47.69 (+3.03s | 6.0%) | Otter Swim Club | 07/19/2025 | 2025 DACA SC CBA Meet | |
| 313 | Quintus Cheung | 50.76 | 8 | B Min | BB: 47.69 (+3.07s | 6.0%) | Milpitas Aquatic Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 314 | Barron Vellonen | 50.79 | 9 | B Min | BB: 47.69 (+3.10s | 6.1%) | Monterey Bay Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 315 | Aaron Zhang | 50.82 | 10 | B Min | BB: 47.69 (+3.13s | 6.2%) | Almaden Riptide | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 316 | Michael Chen | 50.83 | 10 | B Min | BB: 47.69 (+3.14s | 6.2%) | Monterey Bay Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 317 | Diego Pisoni | 50.85 | 8 | B Min | BB: 47.69 (+3.16s | 6.2%) | Neptune Swimming | 11/08/2025 | TCA PC November SC C B A+ | |
| 318 | Oliver Maa | 50.89 | 10 | B Min | BB: 47.69 (+3.20s | 6.3%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 319 | Axel Radstrom | 50.98 | 9 | B Min | BB: 47.69 (+3.29s | 6.5%) | Pacific Coast Marlins | 11/22/2025 | Thankswimming Classic 2025 | |
| 320 | Zhencheng Xu | 50.98 | 9 | B Min | BB: 47.69 (+3.29s | 6.5%) | Alto Swim Club | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 321 | Saul Guevara | 51.00 | 8 | B Min | BB: 47.69 (+3.31s | 6.5%) | Alto Swim Club | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 322 | Vishnu Srinivasan | 51.02 | 9 | B Min | BB: 47.69 (+3.33s | 6.5%) | California Dolphins Swim Team | 03/01/2025 | PC SRVA SCY B BB+ Last Chance Meet | |
| 323 | Triton Calhoun | 51.03 | 9 | B Min | BB: 47.69 (+3.34s | 6.5%) | Reno Aquatic Club | 01/17/2025 | 2025 Blizzard Blast Swim Meet | |
| 324 | Jaiden Yap | 51.08 | 10 | B Min | BB: 47.69 (+3.39s | 6.6%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 325 | Zimo Xu | 51.08 | 10 | B Min | BB: 47.69 (+3.39s | 6.6%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 326 | Alex Zhong | 51.08 | 7 | B Min | BB: 47.69 (+3.39s | 6.6%) | Santa Clara Swim Club | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 327 | Alan Ying | 51.08 | 10 | B Min | BB: 47.69 (+3.39s | 6.6%) | San Ramon Valley Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 328 | Bruce Zhang | 51.11 | 9 | B Min | BB: 47.69 (+3.42s | 6.7%) | Alto Swim Club | 10/25/2025 | 2025 SUNN Fall Classic | |
| 329 | Aurik Ghosh Moulick | 51.15 | 9 | B Min | BB: 47.69 (+3.46s | 6.8%) | Milpitas Aquatic Club | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 330 | Gavin Yang | 51.18 | 9 | B Min | BB: 47.69 (+3.49s | 6.8%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 331 | Will Casley | 51.18 | 10 | B Min | BB: 47.69 (+3.49s | 6.8%) | Sebastopol Sea Serpents | 10/18/2025 | Sebastopol Sea Serpents CBA+ Pumpkin Plunge | |
| 332 | Solomon Fox | 51.18 | 6 | B Min | BB: 47.69 (+3.49s | 6.8%) | Burlingame Aquatics | 11/12/2022 | Pumpkin Spice Latte SC C B A+ | |
| 333 | Alejandro Rangel | 51.20 | 10 | B Min | BB: 47.69 (+3.51s | 6.9%) | Quicksilver Swimming | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 334 | Matthew Merz | 51.20 | 9 | B Min | BB: 47.69 (+3.51s | 6.9%) | Los Gatos Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 335 | Bodey Gehlert | 51.21 | 10 | B Min | BB: 47.69 (+3.52s | 6.9%) | Piedmont Swim Team | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 336 | August Tran | 51.22 | 10 | B Min | BB: 47.69 (+3.53s | 6.9%) | El Cerrito Gators | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 337 | Max McCollum | 51.23 | 10 | B Min | BB: 47.69 (+3.54s | 6.9%) | The Olympic Club | 09/20/2025 | WANV CBA+ Endless Summer Meet | |
| 338 | William Bienvenu | 51.23 | 10 | B Min | BB: 47.69 (+3.54s | 6.9%) | Monterey Bay Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 339 | Greyson McTague | 51.26 | 10 | B Min | BB: 47.69 (+3.57s | 7.0%) | Mlst | 08/01/2025 | 2025 High Country Short Course Championship | |
| 340 | Luke Korpi | 51.26 | 8 | B Min | BB: 47.69 (+3.57s | 7.0%) | Diablo Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 341 | Abayan Prithviraj | 51.30 | 10 | B Min | BB: 47.69 (+3.61s | 7.0%) | Alto Swim Club | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 342 | Jamie Russell | 51.33 | 8 | B Min | BB: 47.69 (+3.64s | 7.1%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 343 | Noah Hunter | 51.33 | 9 | B Min | BB: 47.69 (+3.64s | 7.1%) | Quicksilver Swimming | 10/25/2025 | GGST Spooktacular 2025 | |
| 344 | Ian Xue | 51.33 | 10 | B Min | BB: 47.69 (+3.64s | 7.1%) | Sunnyvale Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 345 | Gordon Tai | 51.38 | 10 | B Min | BB: 47.69 (+3.69s | 7.2%) | Otter Swim Club | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 346 | Patrick Zhang | 51.39 | 10 | B Min | BB: 47.69 (+3.70s | 7.2%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 347 | Arjun Raghavendran | 51.39 | 10 | B Min | BB: 47.69 (+3.70s | 7.2%) | California Dolphins Swim Team | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | |
| 348 | Oliver Chen | 51.40 | 9 | B Min | BB: 47.69 (+3.71s | 7.2%) | South Valley Stingrays | 12/14/2024 | Zone 1 South Winter Championships | |
| 349 | William Frohnen | 51.42 | 8 | B Min | BB: 47.69 (+3.73s | 7.3%) | San Ramon Valley Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 350 | Benjamin Du | 51.45 | 9 | B Min | BB: 47.69 (+3.76s | 7.3%) | Santa Clara Swim Club | 11/15/2024 | MBSC GSMY Z1S Race To AGC C B A+ | |
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.