Pacific Swimming Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 201 | Will Casley | 53.78 | 10 | B Min | BB: 49.29 (+4.49s | 8.3%) | Sebastopol Sea Serpents | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 202 | Riaan Chandak | 53.79 | 9 | B Min | BB: 49.29 (+4.50s | 8.4%) | Milpitas Aquatic Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 203 | Damon Shao | 53.80 | 8 | B Min | BB: 49.29 (+4.51s | 8.4%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 204 | Nicholas Mosendz | 53.84 | 8 | B Min | BB: 49.29 (+4.55s | 8.5%) | Santa Clara Swim Club | 05/25/2024 | SCSC Pacific Swimming Long Course Intrasquad | |
| 205 | Charles Zheng | 53.85 | 9 | B Min | BB: 49.29 (+4.56s | 8.5%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 206 | Harrison Tian | 53.89 | 8 | B Min | BB: 49.29 (+4.60s | 8.5%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 207 | Garrett Legg | 53.92 | 7 | B Min | BB: 49.29 (+4.63s | 8.6%) | Pleasanton Seahawks | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 208 | Justin Chi | 53.95 | 8 | B Min | BB: 49.29 (+4.66s | 8.6%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 209 | Zhencheng Xu | 53.96 | 9 | B Min | BB: 49.29 (+4.67s | 8.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 210 | Maxen Cao | 54.00 | 8 | B Min | BB: 49.29 (+4.71s | 8.7%) | Otter Swim Club | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 211 | Lucas Pisoni | 54.01 | 10 | B Min | BB: 49.29 (+4.72s | 8.7%) | Neptune Swimming | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 212 | Beckett Rossi | 54.08 | 8 | B Min | BB: 49.29 (+4.79s | 8.9%) | Bishop Swim Team | 07/12/2025 | 2025 Silver State Championships | |
| 213 | Micah Connell | 54.11 | 9 | B Min | BB: 49.29 (+4.82s | 8.9%) | Quicksilver Swimming | 06/12/2024 | Zone 1S Micro Meet (Host QSS) | |
| 214 | Zaddik Fan | 54.15 | 9 | B Min | BB: 49.29 (+4.86s | 9.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 215 | Christopher Rasmuson | 54.20 | 8 | B Min | BB: 49.29 (+4.91s | 9.1%) | Bishop Swim Team | 07/12/2025 | 2025 Silver State Championships | |
| 216 | Sebastian Monroy Reyes | 54.23 | 9 | B Min | BB: 49.29 (+4.94s | 9.1%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 217 | Zhouhan Yang | 54.39 | 9 | B Min | BB: 49.29 (+5.10s | 9.4%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 218 | Luke Xu | 54.47 | 9 | B Min | BB: 49.29 (+5.18s | 9.5%) | California Dolphins Swim Team | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 219 | Micah Parris | 54.51 | 8 | B Min | BB: 49.29 (+5.22s | 9.6%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 220 | Derek Feng | 54.51 | 9 | B Min | BB: 49.29 (+5.22s | 9.6%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 221 | Jaden Manalastas | 54.52 | 9 | B Min | BB: 49.29 (+5.23s | 9.6%) | South San Francisco Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 222 | Sebastian McNary | 54.61 | 9 | B Min | BB: 49.29 (+5.32s | 9.7%) | Tiger Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 223 | Orion Boudreaux | 54.65 | 10 | B Min | BB: 49.29 (+5.36s | 9.8%) | Napa Valley Swim Team | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 224 | Dean Intakeha | 54.65 | 8 | B Min | BB: 49.29 (+5.36s | 9.8%) | Alto Swim Club | 05/18/2024 | Alto May Cray Invitational | |
| 225 | Reyansh Kini | 54.67 | 9 | B Min | BB: 49.29 (+5.38s | 9.8%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 226 | Sebastian Bagga | 54.71 | 9 | B Min | BB: 49.29 (+5.42s | 9.9%) | South Valley Makos | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | |
| 227 | Richard Tang | 54.73 | 9 | B Min | BB: 49.29 (+5.44s | 9.9%) | Triton Aquatics Club | 04/19/2025 | Alto Spring Jam Meet | |
| 228 | Noah Chiu | 54.74 | 9 | B Min | BB: 49.29 (+5.45s | 10.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 229 | Alexander Forward | 54.75 | 7 | B Min | BB: 49.29 (+5.46s | 10.0%) | San Jose Goosemonkeys | 06/27/2025 | Valley Splash | |
| 230 | Gerel Bolorkhuu | 54.82 | 10 | B Min | BB: 49.29 (+5.53s | 10.1%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 231 | Kai Kitamori | 54.93 | 9 | B Min | BB: 49.29 (+5.64s | 10.3%) | East Bay Bat Rays | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 232 | Micah Legaspi | 54.97 | 8 | B Min | BB: 49.29 (+5.68s | 10.3%) | Seaside Aquatic Club | 05/18/2024 | San Benito Aquatics C B A+ | |
| 233 | Elias Lien | 54.99 | 7 | B Min | BB: 49.29 (+5.70s | 10.4%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 234 | Hugo Situ | 55.07 | 9 | B Min | BB: 49.29 (+5.78s | 10.5%) | Daly City Dolphins | 06/06/2025 | BAC C B A Meet | |
| 235 | Lehai Li | 55.08 | 8 | B Min | BB: 49.29 (+5.79s | 10.5%) | Alto Swim Club | 04/27/2024 | Alto Spring Jam | |
| 236 | Evan Doong | 55.14 | 9 | B Min | BB: 49.29 (+5.85s | 10.6%) | Sunnyvale Swim Club | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 237 | Alec Henriques | 55.20 | 9 | B Min | BB: 49.29 (+5.91s | 10.7%) | Napa Valley Swim Team | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 238 | Quintus Cheung | 55.37 | 8 | B Min | BB: 49.29 (+6.08s | 11.0%) | Milpitas Aquatic Club | 07/19/2025 | Alto Last Splash | |
| 239 | Alan Ying | 55.55 | 10 | B: 55.39 (+0.16s | 0.3%) | San Ramon Valley Aquatics | 05/10/2025 | PC SRVA LCM C B BB+ | ||
| 240 | Jackson Pinkerton | 55.57 | 9 | B: 55.39 (+0.18s | 0.3%) | YMCA Presidio Aquatics | 06/22/2024 | NVST S LAST CHANCE JO SUMMER PLUNGE | ||
| 241 | Holden Hoffman | 55.57 | 8 | B: 55.39 (+0.18s | 0.3%) | Terrapins Swim Team | 07/12/2025 | 2025 Silver State Championships | ||
| 242 | Jonathan Chen | 55.60 | 8 | B: 55.39 (+0.21s | 0.4%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | ||
| 243 | Noah Attia | 55.62 | 8 | B: 55.39 (+0.23s | 0.4%) | Diablo Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | ||
| 244 | Tyler Mirasol | 55.63 | 7 | B: 55.39 (+0.24s | 0.4%) | Quicksilver Swimming | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | ||
| 245 | Ben Casley | 55.69 | 10 | B: 55.39 (+0.30s | 0.5%) | Sebastopol Sea Serpents | 05/17/2025 | Neptune Swimming May Long Course Meet | ||
| 246 | Atharv Tiruke | 55.69 | 8 | B: 55.39 (+0.30s | 0.5%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | ||
| 247 | Daniel Rumiantcev | 55.69 | 8 | B: 55.39 (+0.30s | 0.5%) | Sunnyvale Swim Club | 06/07/2024 | DACA LC C B A+ Meet | ||
| 248 | Derek Feng | 55.71 | 9 | B: 55.39 (+0.32s | 0.6%) | San Ramon Valley Aquatics | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | ||
| 249 | Jason Yin | 55.87 | 7 | B: 55.39 (+0.48s | 0.9%) | Santa Clara Swim Club | 05/17/2024 | Quicksilver Swimming Zone 1S LCM C B A+ Meet | ||
| 250 | Evan Kim | 55.96 | 9 | B: 55.39 (+0.57s | 1.0%) | Sunnyvale Swim Club | 06/06/2025 | 2025 DACA LC CBA+ 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.