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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Kevin Zhang | 46.84 | 9 | B Min | BB: 42.89 (+3.95s | 8.4%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 302 | Bronson Bruland | 46.84 | 10 | B Min | BB: 42.89 (+3.95s | 8.4%) | Mlst | 06/13/2026 | Bishop Invitational 2026 | |
| 303 | Charles Zheng | 46.84 | 10 | B Min | BB: 42.89 (+3.95s | 8.4%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 304 | Elias Braginton | 46.85 | 8 | B Min | BB: 42.89 (+3.96s | 8.5%) | Lakeridge Swim Team | 07/31/2026 | 2026 High Country Short Course Championship | |
| 305 | Benjamin Cheng | 46.86 | 8 | B Min | BB: 42.89 (+3.97s | 8.5%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 306 | Greyson Thach | 46.95 | 8 | B Min | BB: 42.89 (+4.06s | 8.6%) | Oakland Undercurrent Swim Team | 03/14/2026 | 2026 NNA AGO | |
| 307 | 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 | |
| 308 | 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+ | |
| 309 | Minchan Lee | 47.15 | 10 | B Min | BB: 42.89 (+4.26s | 9.0%) | Reno Aquatic Club | 03/14/2026 | 2026 NNA AGO | |
| 310 | Evan Kim | 47.21 | 10 | B Min | BB: 42.89 (+4.32s | 9.2%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 311 | James Xiao | 47.24 | 9 | B Min | BB: 42.89 (+4.35s | 9.2%) | Otter Swim Club | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 312 | Logan Shen | 47.27 | 10 | B Min | BB: 42.89 (+4.38s | 9.3%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 313 | Landon Thomassian | 47.34 | 9 | B Min | BB: 42.89 (+4.45s | 9.4%) | Almaden Riptide | 10/25/2025 | GGST Spooktacular 2025 | |
| 314 | BaoSheng Wang | 47.35 | 9 | B Min | BB: 42.89 (+4.46s | 9.4%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 315 | Elliot Kang | 47.37 | 9 | B Min | BB: 42.89 (+4.48s | 9.5%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 316 | Crew Dacko | 47.39 | 9 | B Min | BB: 42.89 (+4.50s | 9.5%) | Montclair Swim Team | 07/10/2026 | Redwood Empire Swim League Championship | |
| 317 | Oliver Asiri | 47.39 | 10 | B Min | BB: 42.89 (+4.50s | 9.5%) | Seals Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 318 | Siyuan Wang | 47.41 | 7 | B Min | BB: 42.89 (+4.52s | 9.5%) | Golden State Goats (Gold) | 05/29/2026 | Piedmont Swim Team Club Championships | |
| 319 | Julian Kau | 47.44 | 10 | B Min | BB: 42.89 (+4.55s | 9.6%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 320 | Elliott Poe Brown | 47.48 | 8 | B Min | BB: 42.89 (+4.59s | 9.7%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 321 | 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 | |
| 322 | Nicholas Tian | 47.53 | 9 | B Min | BB: 42.89 (+4.64s | 9.8%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 323 | 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 | |
| 324 | Barron Vellonen | 47.54 | 10 | B Min | BB: 42.89 (+4.65s | 9.8%) | Monterey Bay Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 325 | Santiago Westbury | 47.57 | 10 | B Min | BB: 42.89 (+4.68s | 9.8%) | Piedmont Swim Team | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 326 | Sam Zhang | 47.60 | 8 | B Min | BB: 42.89 (+4.71s | 9.9%) | Otter Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 327 | Andrew Simon-O'Neill | 47.60 | 10 | B Min | BB: 42.89 (+4.71s | 9.9%) | Oakland Undercurrent Swim Team | 04/18/2026 | RP SWIM CLUB (PRNA) SPRING SWIM FEST! | |
| 328 | James King | 47.63 | 9 | B Min | BB: 42.89 (+4.74s | 10.0%) | The Olympic Club | 07/10/2026 | Redwood Empire Swim League Championship | |
| 329 | 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 | |
| 330 | Sullivan Chen | 47.72 | 9 | B Min | BB: 42.89 (+4.83s | 10.1%) | California Dolphins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 331 | Colin Hunger | 47.72 | 9 | B Min | BB: 42.89 (+4.83s | 10.1%) | Piranha Swimming | 12/13/2025 | SDAT Winter Pentathlon | |
| 332 | Calvin Dell | 47.77 | 9 | B Min | BB: 42.89 (+4.88s | 10.2%) | San Benito Aquatics | 07/24/2026 | CVAL 2026 | |
| 333 | David Tan | 47.77 | 9 | B Min | BB: 42.89 (+4.88s | 10.2%) | Pacifica Sea Lions | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 334 | Bodhi Barefoot | 47.79 | 10 | B Min | BB: 42.89 (+4.90s | 10.3%) | Mendocino Coast Sea Dragons | 11/22/2025 | Thankswimming Classic 2025 | |
| 335 | Arthur Viray | 47.79 | 9 | B Min | BB: 42.89 (+4.90s | 10.3%) | Daly City Dolphins | 03/28/2026 | PSL March CBA+ | |
| 336 | 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 | |
| 337 | Derek Feng | 47.81 | 10 | 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 | |
| 338 | 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 | |
| 339 | Carter Vizcarra | 47.95 | 9 | B Min | BB: 42.89 (+5.06s | 10.6%) | Neptune Swimming | 09/27/2024 | Neptune Swimming Fall Classic | |
| 340 | Nolan Sun | 47.96 | 10 | B Min | BB: 42.89 (+5.07s | 10.6%) | Pleasanton Seahawks | 07/25/2026 | Zone 2 Summer Championships | |
| 341 | Maximilian Kuo | 48.02 | 7 | B Min | BB: 42.89 (+5.13s | 10.7%) | California Dolphins Swim Team | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 342 | Alex Zhong | 48.03 | 8 | B Min | BB: 42.89 (+5.14s | 10.7%) | Santa Clara Swim Club | 06/14/2025 | SCSC Blue Gold Block Party Meet June | |
| 343 | Andy Yu | 48.03 | 10 | B Min | BB: 42.89 (+5.14s | 10.7%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 344 | John Cosgrove | 48.08 | 10 | B Min | BB: 42.89 (+5.19s | 10.8%) | Sonoma Sea Dragons | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 345 | Dominic Angerami | 48.15 | 10 | B Min | BB: 42.89 (+5.26s | 10.9%) | San Francisco Seals Swim Team | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 346 | Holden Hoffman | 48.19 | 9 | B Min | BB: 42.89 (+5.30s | 11.0%) | Terrapins Swim Team | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 347 | Arjun Niranjan Shetty | 48.24 | 8 | B Min | BB: 42.89 (+5.35s | 11.1%) | South Valley Makos | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 348 | Seungwoo Kwon | 48.24 | 10 | B Min | BB: 42.89 (+5.35s | 11.1%) | El Cerrito Gators | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 349 | Noah Gonzales | 48.25 | 10 | B Min | BB: 42.89 (+5.36s | 11.1%) | South San Francisco Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 350 | Alexey Kostryukov | 48.29 | 10 | B Min | BB: 42.89 (+5.40s | 11.2%) | Alameda Gators | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
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.