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 | Yunus Mukhamadieva | 46.72 | 9 | B Min | BB: 42.89 (+3.83s | 8.2%) | Brentwood Seawolves | 03/01/2025 | Pac Swim SC B BB+ Last Chance Hosted By TERA | |
| 302 | Cruz Varuris-Verduzco | 46.77 | 8 | B Min | BB: 42.89 (+3.88s | 8.3%) | Quicksilver Swimming | 03/18/2023 | Z1S Last Chance FW Meet (host: QSS-SC) | |
| 303 | Leo Miyamoto | 46.78 | 9 | B Min | BB: 42.89 (+3.89s | 8.3%) | Napa Valley Swim Team | 02/22/2025 | NVST Swimming Into Spring | |
| 304 | Spencer Chong | 46.78 | 10 | B Min | BB: 42.89 (+3.89s | 8.3%) | Sunnyvale Swim Club | 03/22/2025 | 2025 Los Altos Mountain View SC CBA Meet | |
| 305 | Benjamin Deffenbaugh | 46.81 | 10 | B Min | BB: 42.89 (+3.92s | 8.4%) | Sebastopol Sea Serpents | 10/04/2024 | SRN @ SSS SCY Dual meet | |
| 306 | Leo Liao | 46.85 | 9 | B Min | BB: 42.89 (+3.96s | 8.5%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 307 | Maksym Sichkovskyi | 46.87 | 8 | B Min | BB: 42.89 (+3.98s | 8.5%) | Sunnyvale Swim Club | 12/10/2022 | ALTO Swim Club SCY C/B/A+ Meet | |
| 308 | Alexander Li | 46.91 | 10 | B Min | BB: 42.89 (+4.02s | 8.6%) | Santa Clara Swim Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | |
| 309 | Gavin Yang | 46.94 | 9 | B Min | BB: 42.89 (+4.05s | 8.6%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 310 | Johnathan Wang | 46.96 | 8 | B Min | BB: 42.89 (+4.07s | 8.7%) | Alto Swim Club | 02/01/2025 | Alto Swim Club Valentine Classic | |
| 311 | Jacob Chen | 46.99 | 8 | B Min | BB: 42.89 (+4.10s | 8.7%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 312 | 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 | |
| 313 | 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 | |
| 314 | SJ Park | 47.11 | 10 | B Min | BB: 42.89 (+4.22s | 9.0%) | Santa Clara Swim Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | |
| 315 | Atticus Walker | 47.13 | 9 | B Min | BB: 42.89 (+4.24s | 9.0%) | Palo Alto Stanford Aquatics | 11/09/2024 | Pacifica Sea Lions SCY C/B/A+ Meet | |
| 316 | Daniel Rumiantcev | 47.13 | 8 | B Min | BB: 42.89 (+4.24s | 9.0%) | Sunnyvale Swim Club | 10/05/2024 | DeAnza Cupertino Aquatics SCY C/B/A+ Meet | |
| 317 | Louis Yu | 47.14 | 7 | B Min | BB: 42.89 (+4.25s | 9.0%) | Santa Clara Swim Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | |
| 318 | George Yu | 47.17 | 8 | B Min | BB: 42.89 (+4.28s | 9.1%) | Santa Clara Swim Club | 09/14/2024 | Milpitas Aquatic Club SCY CBA+ Meet | |
| 319 | Patrick Li | 47.17 | 10 | B Min | BB: 42.89 (+4.28s | 9.1%) | Santa Clara Swim Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | |
| 320 | Mason Cao | 47.22 | 9 | B Min | BB: 42.89 (+4.33s | 9.2%) | Santa Clara Swim Club | 10/04/2024 | SCSC SCY CBA+ Meet | |
| 321 | Justin Ortiz | 47.27 | 10 | B Min | BB: 42.89 (+4.38s | 9.3%) | San Benito Aquatics | 11/15/2024 | Zone 1S Race to AGCs C/B/A+ Meet (hosts: MBSC, ACSC, GSMY) | |
| 322 | 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 | |
| 323 | Lukas Jansen | 47.30 | 10 | B Min | BB: 42.89 (+4.41s | 9.3%) | Crescent City Swim Club | 03/15/2025 | TEAM Shootout | |
| 324 | 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 | |
| 325 | Andrew Bu | 47.34 | 9 | B Min | BB: 42.89 (+4.45s | 9.4%) | Alto Swim Club | 01/11/2025 | Burlingame Aquatic Club C/B/A+ SCY Meet | |
| 326 | Ronan MurdockPerriera | 47.37 | 8 | B Min | BB: 42.89 (+4.48s | 9.5%) | AC Swim Club | 02/07/2025 | 2025 PSL Super Finals Invitational | |
| 327 | Avery Chen | 47.37 | 9 | B Min | BB: 42.89 (+4.48s | 9.5%) | Monterey Bay Swim Club | 10/25/2024 | GGST SCY Spooktacular CBA+ Meet | |
| 328 | Mark Babcock | 47.40 | 10 | B Min | BB: 42.89 (+4.51s | 9.5%) | Neptune Swimming | 03/01/2025 | VJO March Mayhem C B A+ 2025 | |
| 329 | Jood Abu Raya | 47.41 | 9 | B Min | BB: 42.89 (+4.52s | 9.5%) | Pacifica Sea Lions | 12/09/2023 | Daly City Dolphins SCY C/B/A+ Meet | |
| 330 | Amir Toleubek | 47.46 | 8 | B Min | BB: 42.89 (+4.57s | 9.6%) | Alto Swim Club | 02/24/2024 | Burlingame Aquatic Club C/B/A+ SCY Meet | |
| 331 | Aymes Shi | 47.46 | 8 | B Min | BB: 42.89 (+4.57s | 9.6%) | Quicksilver Swimming | 03/22/2024 | Milpitas Aquatic Club SCY CBA+ Meet | |
| 332 | 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 | |
| 333 | Aiden Tam | 47.54 | 10 | B Min | BB: 42.89 (+4.65s | 9.8%) | Sunnyvale Swim Club | 03/22/2025 | 2025 Los Altos Mountain View SC CBA Meet | |
| 334 | 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 | |
| 335 | Troy Rowlett | 47.62 | 10 | B Min | BB: 42.89 (+4.73s | 9.9%) | Douglas Dolfins | 02/07/2025 | 2025 Valentines Day Age Group Open | |
| 336 | 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 | |
| 337 | Logan Feally | 47.64 | 10 | B Min | BB: 42.89 (+4.75s | 10.0%) | Livermore AquaCowboys | 12/14/2024 | Richard Thornton Memorial Swim Meet (host: SRVA) | |
| 338 | Jeremy Zhao | 47.65 | 7 | B Min | BB: 42.89 (+4.76s | 10.0%) | Quicksilver Swimming | 04/20/2024 | 10 & Under Championships (host: SUNN) | |
| 339 | 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 | |
| 340 | Connor Welch | 47.67 | 8 | B Min | BB: 42.89 (+4.78s | 10.0%) | Sleepy Hollow | 11/12/2023 | OAPB Fall Jamboree | |
| 341 | Miles Wang | 47.72 | 7 | B Min | BB: 42.89 (+4.83s | 10.1%) | Crow Canyon Sharks | 11/02/2024 | San Ramon Valley Aquatics SCY C/B/BB+ Meet | |
| 342 | Liam Marciel | 47.73 | 7 | B Min | BB: 42.89 (+4.84s | 10.1%) | South Valley Makos | 10/04/2024 | SCSC SCY CBA+ Meet | |
| 343 | Arick Yuan | 47.75 | 8 | B Min | BB: 42.89 (+4.86s | 10.2%) | Santa Clara Swim Club | 02/08/2025 | Swim South Bay | |
| 344 | Liam Vigevani | 47.76 | 8 | B: 38.49 (+9.27s | 19.4%) | Terrapins Swim Team | 10/29/2022 | San Ramon Valley Aquatics C/B/BB+ Meet | ||
| 345 | Tyler Siu | 47.80 | 9 | B Min | BB: 42.89 (+4.91s | 10.3%) | El Cerrito Gators | 03/22/2025 | Albany Armada Aquatics SC C B BB+ | |
| 346 | 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 | |
| 347 | Aaron Lieuw | 47.94 | 10 | B Min | BB: 42.89 (+5.05s | 10.5%) | Palo Alto Stanford Aquatics | 09/27/2024 | 2024 PASA Fall Candy Meet #1 - Block Party | |
| 348 | Carter Vizcarra | 47.95 | 8 | B Min | BB: 42.89 (+5.06s | 10.6%) | Neptune Swimming | 09/27/2024 | SRN C/B/A+ Meet | |
| 349 | 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+ | |
| 350 | 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.