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 | Olyn Nelson | 52.36 | 10 | B Min | BB: 49.29 (+3.07s | 5.9%) | Los Altos Mountain View Aquati | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 202 | Neil Bisht | 52.39 | 9 | B Min | BB: 49.29 (+3.10s | 5.9%) | Valley Splash | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 203 | Lucas Umaniuc | 52.41 | 9 | B Min | BB: 49.29 (+3.12s | 6.0%) | Walnut Creek Aquabears | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 204 | Calvin Yip | 52.42 | 10 | B Min | BB: 49.29 (+3.13s | 6.0%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 205 | Ivan Hu | 52.44 | 8 | B Min | BB: 49.29 (+3.15s | 6.0%) | Otter Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 206 | Dean Wu | 52.52 | 8 | B Min | BB: 49.29 (+3.23s | 6.2%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 207 | League Anakata | 52.57 | 10 | B Min | BB: 49.29 (+3.28s | 6.2%) | Alameda Gators | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 208 | Arz Abu Raya | 52.64 | 8 | B Min | BB: 49.29 (+3.35s | 6.4%) | Unattached | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 209 | Benjamin Cheng | 52.65 | 8 | B Min | BB: 49.29 (+3.36s | 6.4%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 210 | Cody Darnell | 52.66 | 10 | B Min | BB: 49.29 (+3.37s | 6.4%) | South Valley Makos | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 211 | Leon Mishin | 52.67 | 7 | B Min | BB: 49.29 (+3.38s | 6.4%) | Walnut Creek Aquabears | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 212 | Anthony Philip | 52.70 | 7 | B Min | BB: 49.29 (+3.41s | 6.5%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 213 | Anderson Fang | 52.71 | 8 | B Min | BB: 49.29 (+3.42s | 6.5%) | Reno Aquatic Club | 06/19/2026 | Reno Aquatic Club Gamble | |
| 214 | Lucas Estepa | 52.80 | 10 | B Min | BB: 49.29 (+3.51s | 6.6%) | Lakeridge Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | |
| 215 | Yunfan Zhang | 52.83 | 8 | B Min | BB: 49.29 (+3.54s | 6.7%) | Sunnyvale Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 216 | Sullivan Chen | 52.86 | 9 | B Min | BB: 49.29 (+3.57s | 6.8%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 217 | Zander Flores | 52.89 | 8 | B Min | BB: 49.29 (+3.60s | 6.8%) | Alameda Gators | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 218 | Kyle Wong | 52.90 | 9 | B Min | BB: 49.29 (+3.61s | 6.8%) | Albany Armada Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 219 | Vedant Tomar | 52.98 | 9 | B Min | BB: 49.29 (+3.69s | 7.0%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 220 | Charles Zheng | 53.02 | 10 | B Min | BB: 49.29 (+3.73s | 7.0%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 221 | Ryan Shen | 53.05 | 8 | B Min | BB: 49.29 (+3.76s | 7.1%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 222 | Arjun Niranjan Shetty | 53.10 | 8 | B Min | BB: 49.29 (+3.81s | 7.2%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 223 | Moqi Zhu | 53.13 | 8 | B Min | BB: 49.29 (+3.84s | 7.2%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 224 | David Portnoy | 53.21 | 10 | B Min | BB: 49.29 (+3.92s | 7.4%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 225 | Amet Cypert | 53.22 | 7 | B Min | BB: 49.29 (+3.93s | 7.4%) | South San Francisco Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 226 | Noah Huyen | 53.25 | 10 | B Min | BB: 49.29 (+3.96s | 7.4%) | Daly City Dolphins | 06/06/2025 | BAC C B A Meet | |
| 227 | Donovan Di Loreto | 53.28 | 9 | B Min | BB: 49.29 (+3.99s | 7.5%) | Carson Tigersharks | 06/19/2026 | Reno Aquatic Club Gamble | |
| 228 | Benjamin Huang | 53.29 | 10 | B Min | BB: 49.29 (+4.00s | 7.5%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 229 | Nixon Lo | 53.35 | 9 | B Min | BB: 49.29 (+4.06s | 7.6%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 230 | Colson Mou | 53.40 | 9 | B Min | BB: 49.29 (+4.11s | 7.7%) | South San Francisco Aquatics | 06/12/2026 | BAC Long Course | |
| 231 | Noah Gonzales | 53.42 | 10 | B Min | BB: 49.29 (+4.13s | 7.7%) | South San Francisco Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 232 | Marcus Tsirogiannis | 53.45 | 10 | B Min | BB: 49.29 (+4.16s | 7.8%) | Highland Dolphins Aquatic Club | 05/02/2026 | Alto Spring Jam CBA | |
| 233 | Shayne Zhang | 53.49 | 9 | B Min | BB: 49.29 (+4.20s | 7.9%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 234 | Ethan Gao | 53.50 | 10 | B Min | BB: 49.29 (+4.21s | 7.9%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 235 | Dashiell Wang | 53.51 | 10 | B Min | BB: 49.29 (+4.22s | 7.9%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 236 | Crew Dacko | 53.52 | 9 | B Min | BB: 49.29 (+4.23s | 7.9%) | Montclair Swim Team | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 237 | Ethan Park | 53.65 | 9 | B Min | BB: 49.29 (+4.36s | 8.1%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 238 | Lawrence Lan | 53.72 | 9 | B Min | BB: 49.29 (+4.43s | 8.2%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 239 | Esteban Trogkanis | 53.73 | 10 | B Min | BB: 49.29 (+4.44s | 8.3%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 240 | Benjamin Robinson | 53.77 | 10 | B Min | BB: 49.29 (+4.48s | 8.3%) | Neptune Swimming | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 241 | Calvin Dell | 53.87 | 9 | B Min | BB: 49.29 (+4.58s | 8.5%) | San Benito Aquatics | 06/27/2026 | NVST Summer Plunge 2026 | |
| 242 | Harrison Tian | 53.89 | 9 | B Min | BB: 49.29 (+4.60s | 8.5%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 243 | Dohjin Park | 53.97 | 9 | B Min | BB: 49.29 (+4.68s | 8.7%) | Los Gatos Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 244 | Logan Ding | 54.12 | 10 | B Min | BB: 49.29 (+4.83s | 8.9%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 245 | Yao Yang | 54.21 | 8 | B Min | BB: 49.29 (+4.92s | 9.1%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 246 | Sebastian Monroy Reyes | 54.23 | 10 | B Min | BB: 49.29 (+4.94s | 9.1%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 247 | Luke Echaluse | 54.33 | 10 | B Min | BB: 49.29 (+5.04s | 9.3%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 248 | Wesley Albright | 54.38 | 9 | B Min | BB: 49.29 (+5.09s | 9.4%) | Reno Aquatic Club | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | |
| 249 | Evan Kang | 54.47 | 9 | B Min | BB: 49.29 (+5.18s | 9.5%) | Puffins Swimming | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 250 | Advent Chang | 54.50 | 10 | B Min | BB: 49.29 (+5.21s | 9.6%) | Otter Swim Club | 06/12/2026 | 2026 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.