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 | Holden Richards | 46.68 | 9 | B Min | BB: 42.89 (+3.79s | 8.1%) | AC Swim Club | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 302 | Patrick Wang | 46.69 | 8 | B Min | BB: 42.89 (+3.80s | 8.1%) | Milpitas Aquatic Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 303 | Makai Barraclough | 46.73 | 10 | B Min | BB: 42.89 (+3.84s | 8.2%) | Los Altos Mountain View Aquati | 03/28/2026 | LAMV C B A+ Meet | |
| 304 | Abayan Prithviraj | 46.74 | 10 | B Min | BB: 42.89 (+3.85s | 8.2%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 305 | 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 | |
| 306 | 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 | |
| 307 | Aaron Lee | 46.80 | 10 | B Min | BB: 42.89 (+3.91s | 8.4%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 308 | Robert Kolesnik | 46.80 | 10 | B Min | BB: 42.89 (+3.91s | 8.4%) | Bulldog Swim Club | 03/07/2026 | BAC Race To AGCs | |
| 309 | Kevin Zhang | 46.84 | 9 | B Min | BB: 42.89 (+3.95s | 8.4%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 310 | Bronson Bruland | 46.84 | 10 | B Min | BB: 42.89 (+3.95s | 8.4%) | Mlst | 06/13/2026 | Bishop Invitational 2026 | |
| 311 | 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 | |
| 312 | 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 | |
| 313 | Greyson Thach | 46.95 | 8 | B Min | BB: 42.89 (+4.06s | 8.6%) | Oakland Undercurrent Swim Team | 03/14/2026 | 2026 NNA AGO | |
| 314 | 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 | |
| 315 | Piradon Pukrittayakamee | 47.09 | 9 | B Min | BB: 42.89 (+4.20s | 8.9%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 316 | John Patane | 47.09 | 9 | B Min | BB: 42.89 (+4.20s | 8.9%) | Sonoma Sea Dragons | 11/22/2025 | Thankswimming Classic 2025 | |
| 317 | 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+ | |
| 318 | Minchan Lee | 47.15 | 10 | B Min | BB: 42.89 (+4.26s | 9.0%) | Reno Aquatic Club | 03/14/2026 | 2026 NNA AGO | |
| 319 | Christopher Rasmuson | 47.15 | 9 | B Min | BB: 42.89 (+4.26s | 9.0%) | Bishop Swim Team | 06/13/2026 | Bishop Invitational 2026 | |
| 320 | 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 | |
| 321 | 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 | |
| 322 | 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 | |
| 323 | Reid Barylski | 47.31 | 10 | B Min | BB: 42.89 (+4.42s | 9.3%) | Neptune Swimming | 07/26/2025 | 2025 REAL Championships | |
| 324 | Landon Thomassian | 47.34 | 9 | B Min | BB: 42.89 (+4.45s | 9.4%) | Almaden Riptide | 10/25/2025 | GGST Spooktacular 2025 | |
| 325 | 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 | |
| 326 | 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 | |
| 327 | 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 | |
| 328 | 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 | |
| 329 | 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 | |
| 330 | Elliott Poe Brown | 47.48 | 8 | B Min | BB: 42.89 (+4.59s | 9.7%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 331 | Miles Tseung | 47.50 | 10 | B Min | BB: 42.89 (+4.61s | 9.7%) | San Ramon Valley Aquatics | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 332 | 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 | |
| 333 | 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 | |
| 334 | 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 | |
| 335 | 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+ | |
| 336 | 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 | |
| 337 | 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! | |
| 338 | 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 | |
| 339 | Adam Alkhayru | 47.65 | 9 | B Min | BB: 42.89 (+4.76s | 10.0%) | Reno Aquatic Club | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 340 | 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 | |
| 341 | Colin Hunger | 47.72 | 9 | B Min | BB: 42.89 (+4.83s | 10.1%) | Piranha Swimming | 12/13/2025 | SDAT Winter Pentathlon | |
| 342 | 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+ | |
| 343 | Bodhi Barefoot | 47.79 | 10 | B Min | BB: 42.89 (+4.90s | 10.3%) | Mendocino Coast Sea Dragons | 11/22/2025 | Thankswimming Classic 2025 | |
| 344 | Arthur Viray | 47.79 | 9 | B Min | BB: 42.89 (+4.90s | 10.3%) | Daly City Dolphins | 03/28/2026 | PSL March CBA+ | |
| 345 | 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 | |
| 346 | 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 | |
| 347 | 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 | |
| 348 | Carter Vizcarra | 47.95 | 9 | B Min | BB: 42.89 (+5.06s | 10.6%) | Neptune Swimming | 09/27/2024 | Neptune Swimming Fall Classic | |
| 349 | 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 | |
| 350 | 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 | |
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.