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 | |
|---|---|---|---|---|---|---|---|---|---|
| 251 | 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 | |
| 252 | 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 | |
| 253 | Alexander Garcia | 46.88 | 10 | B Min | BB: 42.89 (+3.99s | 8.5%) | Albany Armada Aquatics | 07/18/2025 | 2025 Redwood Empire Swim League Championship | |
| 254 | 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 | |
| 255 | 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 | |
| 256 | 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 | |
| 257 | 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 | |
| 258 | Dylan Tian | 47.06 | 7 | B Min | BB: 42.89 (+4.17s | 8.9%) | Santa Clara Swim Club | 06/14/2025 | SCSC Blue Gold Block Party Meet June | |
| 259 | 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 | |
| 260 | 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 | |
| 261 | 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 | |
| 262 | 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 | |
| 263 | 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 | |
| 264 | 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 | |
| 265 | 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 | |
| 266 | Noah Huyen | 47.23 | 8 | B Min | BB: 42.89 (+4.34s | 9.2%) | Daly City Dolphins | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 267 | 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 | |
| 268 | Owen Hayes | 47.32 | 9 | B Min | BB: 42.89 (+4.43s | 9.4%) | Hills Hurricane Swimming | 07/18/2025 | 2025 Redwood Empire Swim League Championship | |
| 269 | 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 | |
| 270 | 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 | |
| 271 | 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 | |
| 272 | 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 | |
| 273 | 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 | |
| 274 | 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 | |
| 275 | 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 | |
| 276 | 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 | |
| 277 | 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 | |
| 278 | 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 | |
| 279 | 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 | |
| 280 | 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 | |
| 281 | 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) | |
| 282 | 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 | |
| 283 | Connor Welch | 47.67 | 8 | B Min | BB: 42.89 (+4.78s | 10.0%) | Sleepy Hollow | 11/12/2023 | OAPB Fall Jamboree | |
| 284 | 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 | |
| 285 | 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+ | |
| 286 | 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 | |
| 287 | 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 | |
| 288 | Carter Vizcarra | 47.95 | 8 | B Min | BB: 42.89 (+5.06s | 10.6%) | Neptune Swimming | 09/27/2024 | SRN C/B/A+ Meet | |
| 289 | 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+ | |
| 290 | 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 | |
| 291 | Alex Zhong | 48.03 | 7 | B Min | BB: 42.89 (+5.14s | 10.7%) | Santa Clara Swim Club | 06/14/2025 | SCSC Blue Gold Block Party Meet June | |
| 292 | Tristan Wan | 48.06 | 8 | B Min | BB: 42.89 (+5.17s | 10.8%) | Palo Alto Stanford Aquatics | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 293 | Lukas Brautigam | 48.06 | 10 | B Min | BB: 42.89 (+5.17s | 10.8%) | Lakeridge Swim Team | 02/07/2025 | 2025 Valentines Day Age Group Open | |
| 294 | Yu-Jia Liu | 48.09 | 9 | B Min | BB: 42.89 (+5.20s | 10.8%) | Quicksilver Swimming | 01/26/2024 | Zone 1S Championship Meet (host: QSS) - Click for Z1S All-Star Application | |
| 295 | Bradley Tran | 48.10 | 9 | B Min | BB: 42.89 (+5.21s | 10.8%) | Quicksilver Swimming | 01/26/2024 | Zone 1S Championship Meet (host: QSS) - Click for Z1S All-Star Application | |
| 296 | Grennan Patel | 48.10 | 9 | B Min | BB: 42.89 (+5.21s | 10.8%) | Neptune Swimming | 09/27/2024 | SRN C/B/A+ Meet | |
| 297 | Aaron Littlefield | 48.20 | 8 | B Min | BB: 42.89 (+5.31s | 11.0%) | Walnut Creek Aquabears | 01/13/2024 | Tiger Aquatics SCY C/B/BB+ Meet | |
| 298 | Alan Li | 48.24 | 10 | B Min | BB: 42.89 (+5.35s | 11.1%) | Santa Clara Swim Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | |
| 299 | Arjun Niranjan Shetty | 48.24 | 7 | B Min | BB: 42.89 (+5.35s | 11.1%) | South Valley Makos | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 300 | Aaron Wang | 48.24 | 10 | B Min | BB: 42.89 (+5.35s | 11.1%) | San Ramon Valley Aquatics | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | |
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.