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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Clark Wilson | 52.35 | 10 | B Min | BB: 47.69 (+4.66s | 8.9%) | Unattached | 12/06/2025 | Alto Dec 6 7 CBA | |
| 402 | Sawyer Stephenson-Sabin | 52.35 | 9 | B Min | BB: 47.69 (+4.66s | 8.9%) | Napa Valley Swim Team | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 403 | Maxwell Kelsey | 52.36 | 9 | B Min | BB: 47.69 (+4.67s | 8.9%) | Almaden Riptide | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 404 | Ryden Ciammaichella | 52.37 | 9 | B Min | BB: 47.69 (+4.68s | 8.9%) | Piedmont Swim Team | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | |
| 405 | Nathan Hou | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | Alto Swim Club | 11/23/2024 | Alto Fall Frolic Meet | |
| 406 | Logan Ma | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | East Bay Silver Dolphins | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 407 | Francis Collins | 52.42 | 10 | B Min | BB: 47.69 (+4.73s | 9.0%) | Ukiah Dolphins | 07/26/2025 | 2025 REAL Championships | |
| 408 | Chinmay Joshi | 52.43 | 9 | B Min | BB: 47.69 (+4.74s | 9.0%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 409 | Mateo Lopez | 52.45 | 8 | B Min | BB: 47.69 (+4.76s | 9.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 410 | Maxwell Ma | 52.53 | 9 | B Min | BB: 47.69 (+4.84s | 9.2%) | California Dolphins Swim Team | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 411 | Arthur Viray | 52.54 | 9 | B Min | BB: 47.69 (+4.85s | 9.2%) | Daly City Dolphins | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 412 | Daniel Rumean | 52.55 | 9 | B Min | BB: 47.69 (+4.86s | 9.2%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | |
| 413 | Hugo Situ | 52.59 | 9 | B Min | BB: 47.69 (+4.90s | 9.3%) | Daly City Dolphins | 10/11/2025 | SSF October Splash C B A+ Meet | |
| 414 | Patrick Yuan | 52.60 | 9 | B Min | BB: 47.69 (+4.91s | 9.3%) | Milpitas Aquatic Club | 09/14/2024 | Milpitas Aquatic Club SC CBA+ Meet | |
| 415 | Alexander Forward | 52.61 | 8 | B Min | BB: 47.69 (+4.92s | 9.4%) | San Jose Goosemonkeys | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 416 | Patrick Chen | 52.65 | 9 | B Min | BB: 47.69 (+4.96s | 9.4%) | Sunnyvale Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 417 | Ari Last | 52.66 | 8 | B Min | BB: 47.69 (+4.97s | 9.4%) | Palo Alto Stanford Aquatics | 03/23/2024 | Los Altos Mountain View AC C B A+ | |
| 418 | Beau Connelly | 52.73 | 8 | B Min | BB: 47.69 (+5.04s | 9.6%) | Los Gatos Swim Club | 11/15/2024 | MBSC GSMY Z1S Race To AGC C B A+ | |
| 419 | Clarence Lee | 52.76 | 10 | B Min | BB: 47.69 (+5.07s | 9.6%) | Daly City Dolphins | 02/07/2026 | 2026 PSL Super Finals Invitational | |
| 420 | Liam Kwon | 52.78 | 10 | B Min | BB: 47.69 (+5.09s | 9.6%) | Alto Swim Club | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 421 | Russell George | 52.78 | 10 | B Min | BB: 47.69 (+5.09s | 9.6%) | Lakeridge Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 422 | Maxx Yu | 52.80 | 10 | B Min | BB: 47.69 (+5.11s | 9.7%) | Burlingame Aquatics | 01/10/2026 | BAC Norman Cutler Memorial | |
| 423 | Weston Jaegers | 52.83 | 10 | B Min | BB: 47.69 (+5.14s | 9.7%) | Mlst | 06/14/2025 | Bishop Invitational 2025 | |
| 424 | Sean Santiago | 52.92 | 10 | B Min | BB: 47.69 (+5.23s | 9.9%) | Bulldog Swim Club | 01/10/2026 | BAC Norman Cutler Memorial | |
| 425 | Albert Sung | 52.93 | 10 | B Min | BB: 47.69 (+5.24s | 9.9%) | Los Altos Mountain View Aquati | 07/19/2025 | 2025 DACA SC CBA Meet | |
| 426 | Andrew Buenrostro | 52.93 | 9 | B Min | BB: 47.69 (+5.24s | 9.9%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | |
| 427 | Lyle Arnold | 52.97 | 10 | B Min | BB: 47.69 (+5.28s | 10.0%) | Piranha Swimming | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | |
| 428 | Connor Watts | 53.05 | 9 | B Min | BB: 47.69 (+5.36s | 10.1%) | Scott Valley Sea Serpents | 11/08/2025 | TCA PC November SC C B A+ | |
| 429 | Wyatt Moon | 53.09 | 8 | B Min | BB: 47.69 (+5.40s | 10.2%) | Quicksilver Swimming | 04/20/2024 | 2024 Pacific Swimming 10 U Championships | |
| 430 | Andrew Lei | 53.12 | 9 | B Min | BB: 47.69 (+5.43s | 10.2%) | Milpitas Aquatic Club | 09/14/2024 | Milpitas Aquatic Club SC CBA+ Meet | |
| 431 | Ronan MurdockPerriera | 53.14 | 9 | B Min | BB: 47.69 (+5.45s | 10.3%) | AC Swim Club | 11/08/2025 | TCA PC November SC C B A+ | |
| 432 | Brian Chen | 53.15 | 10 | B Min | BB: 47.69 (+5.46s | 10.3%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | |
| 433 | Eden Hai | 53.15 | 8 | B Min | BB: 47.69 (+5.46s | 10.3%) | Milpitas Aquatic Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 434 | Oliver Lai | 53.18 | 10 | B Min | BB: 47.69 (+5.49s | 10.3%) | Sunnyvale Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 435 | Austin Zhao | 53.20 | 10 | B Min | BB: 47.69 (+5.51s | 10.4%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 436 | Nathaniel Min | 53.25 | 9 | B Min | BB: 47.69 (+5.56s | 10.4%) | California Dolphins Swim Team | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 437 | Satya Gidwani | 53.25 | 10 | B Min | BB: 47.69 (+5.56s | 10.4%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 438 | Elliott Lee Chan Kam | 53.29 | 9 | B Min | BB: 47.69 (+5.60s | 10.5%) | Alto Swim Club | 10/25/2025 | 2025 SUNN Fall Classic | |
| 439 | Bryan Xia | 53.30 | 7 | B Min | BB: 47.69 (+5.61s | 10.5%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 440 | Isaac Kantor | 53.32 | 9 | B Min | BB: 47.69 (+5.63s | 10.6%) | AC Swim Club | 07/26/2025 | 2025 REAL Championships | |
| 441 | Caleb Seid | 53.38 | 10 | B Min | BB: 47.69 (+5.69s | 10.7%) | Palo Alto Stanford Aquatics | 10/11/2025 | SSF October Splash C B A+ Meet | |
| 442 | Evan Zhu | 53.40 | 9 | B: 53.39 (+0.01s | 0.0%) | Los Gatos Swim Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | ||
| 443 | Jordan Zhu | 53.40 | 8 | B: 53.39 (+0.01s | 0.0%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 444 | Amet Cypert | 53.42 | 6 | B: 53.39 (+0.03s | 0.1%) | South San Francisco Aquatics | 12/06/2025 | DCD Winter Holiday Splash CBA+ | ||
| 445 | Mason Cao | 53.43 | 8 | B: 53.39 (+0.04s | 0.1%) | Quicksilver Swimming | 04/20/2024 | 2024 Pacific Swimming 10 U Championships | ||
| 446 | Crew Dacko | 53.44 | 8 | B: 53.39 (+0.05s | 0.1%) | Montclair Swim Team | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | ||
| 447 | League Anakata | 53.45 | 9 | B: 53.39 (+0.06s | 0.1%) | Alameda Gators | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | ||
| 448 | Lucas Nguyen | 53.47 | 9 | B: 53.39 (+0.08s | 0.1%) | Valley Splash | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 449 | Joohwan Kim | 53.47 | 8 | B: 53.39 (+0.08s | 0.1%) | DeAnza Cupertino Aquatics | 12/06/2025 | Alto Dec 6 7 CBA | ||
| 450 | Dylan Wang | 53.48 | 7 | B: 53.39 (+0.09s | 0.2%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | ||
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.