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 | |
|---|---|---|---|---|---|---|---|---|---|
| 251 | Derek Feng | 54.51 | 10 | 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 | |
| 252 | Ettore Billip | 54.53 | 9 | B Min | BB: 49.29 (+5.24s | 9.6%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 253 | Reyansh Shah | 54.61 | 9 | B Min | BB: 49.29 (+5.32s | 9.7%) | South Valley Makos | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 254 | Diego Watts | 54.65 | 7 | B Min | BB: 49.29 (+5.36s | 9.8%) | Sebastopol Sea Serpents | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 255 | Richard Tang | 54.73 | 10 | B Min | BB: 49.29 (+5.44s | 9.9%) | Triton Aquatics Club | 04/19/2025 | Alto Spring Jam Meet | |
| 256 | Zane Small | 54.77 | 9 | B Min | BB: 49.29 (+5.48s | 10.0%) | Burlingame Aquatics | 06/20/2026 | Alto Summer Swelter | |
| 257 | Vedansh Tomar | 54.79 | 9 | B Min | BB: 49.29 (+5.50s | 10.0%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 258 | Siyuan Wang | 54.82 | 7 | B Min | BB: 49.29 (+5.53s | 10.1%) | Piedmont Swim Team | 06/27/2026 | NVST Summer Plunge 2026 | |
| 259 | Danial Liu | 54.86 | 8 | B Min | BB: 49.29 (+5.57s | 10.2%) | Quicksilver Swimming | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 260 | Minchan Lee | 54.89 | 10 | B Min | BB: 49.29 (+5.60s | 10.2%) | Reno Aquatic Club | 06/19/2026 | Reno Aquatic Club Gamble | |
| 261 | Elias Braginton | 54.91 | 8 | B Min | BB: 49.29 (+5.62s | 10.2%) | Lakeridge Swim Team | 07/10/2026 | 2026 NNA Silver State Championships | |
| 262 | Holden Hoffman | 54.93 | 9 | B Min | BB: 49.29 (+5.64s | 10.3%) | Terrapins Swim Team | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 263 | Patrice Calippe | 54.95 | 10 | B Min | BB: 49.29 (+5.66s | 10.3%) | Puffins Swimming | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 264 | David Tan | 54.95 | 9 | B Min | BB: 49.29 (+5.66s | 10.3%) | Pacifica Sea Lions | 05/02/2026 | Alto Spring Jam CBA | |
| 265 | Aaron Huang | 54.96 | 10 | B Min | BB: 49.29 (+5.67s | 10.3%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 266 | Jirui Dong | 54.96 | 8 | B Min | BB: 49.29 (+5.67s | 10.3%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 267 | William Nguyen | 54.97 | 10 | B Min | BB: 49.29 (+5.68s | 10.3%) | San Jose Goosemonkeys | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 268 | Micah Legaspi | 54.97 | 10 | B Min | BB: 49.29 (+5.68s | 10.3%) | Seaside Aquatic Club | 05/18/2024 | San Benito Aquatics C B A+ | |
| 269 | Jayden Zhang | 55.02 | 10 | B Min | BB: 49.29 (+5.73s | 10.4%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 270 | Aleksander Hibler | 55.04 | 8 | B Min | BB: 49.29 (+5.75s | 10.4%) | Albany Armada Aquatics | 06/19/2026 | Reno Aquatic Club Gamble | |
| 271 | Liam Chen | 55.05 | 9 | B Min | BB: 49.29 (+5.76s | 10.5%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 272 | 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 | |
| 273 | Lehai Li | 55.08 | 10 | B Min | BB: 49.29 (+5.79s | 10.5%) | Alto Swim Club | 04/27/2024 | Alto Spring Jam | |
| 274 | Mithren Vijay | 55.17 | 9 | B Min | BB: 49.29 (+5.88s | 10.7%) | Valley Splash | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 275 | Milan Varga | 55.23 | 5 | B Min | BB: 49.29 (+5.94s | 10.8%) | Terrapins Swim Team | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 276 | Gordon Tai | 55.23 | 10 | B Min | BB: 49.29 (+5.94s | 10.8%) | Otter Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 277 | Quintus Cheung | 55.37 | 8 | B Min | BB: 49.29 (+6.08s | 11.0%) | Milpitas Aquatic Club | 07/19/2025 | Alto Last Splash | |
| 278 | Cimon Bunuan | 55.40 | 9 | B: 55.39 (+0.01s | 0.0%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 279 | Isaac Welmerink | 55.40 | 10 | B: 55.39 (+0.01s | 0.0%) | Lakeridge Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | ||
| 280 | Jason Ma | 55.43 | 10 | B: 55.39 (+0.04s | 0.1%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 281 | Andrew Chen | 55.51 | 7 | B: 55.39 (+0.12s | 0.2%) | Thunder Coast Aquatics | 06/12/2026 | Neptune Swimming June LC Meet | ||
| 282 | Arthur Viray | 55.53 | 9 | B: 55.39 (+0.14s | 0.3%) | Daly City Dolphins | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 283 | Elliott Poe Brown | 55.55 | 8 | B: 55.39 (+0.16s | 0.3%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 284 | Micah Chiu | 55.56 | 8 | B: 55.39 (+0.17s | 0.3%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 285 | Amnay Cherik | 55.56 | 8 | B: 55.39 (+0.17s | 0.3%) | Tiger Aquatics | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | ||
| 286 | Max Zhou | 55.58 | 8 | B: 55.39 (+0.19s | 0.3%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | ||
| 287 | Jonathan Chen | 55.60 | 9 | B: 55.39 (+0.21s | 0.4%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | ||
| 288 | Marcus Chui | 55.61 | 9 | B: 55.39 (+0.22s | 0.4%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 289 | Sam Zhang | 55.61 | 8 | B: 55.39 (+0.22s | 0.4%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 290 | Noah Attia | 55.62 | 9 | B: 55.39 (+0.23s | 0.4%) | Diablo Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | ||
| 291 | Tyler Mirasol | 55.63 | 9 | B: 55.39 (+0.24s | 0.4%) | Quicksilver Swimming | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | ||
| 292 | Artem Ivanitskiy | 55.68 | 10 | B: 55.39 (+0.29s | 0.5%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 293 | Daniel Rumiantcev | 55.69 | 10 | B: 55.39 (+0.30s | 0.5%) | Sunnyvale Swim Club | 06/07/2024 | DACA LC C B A+ Meet | ||
| 294 | Be'eri Afanzar | 55.73 | 10 | B: 55.39 (+0.34s | 0.6%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 295 | Evan Chang | 55.83 | 9 | B: 55.39 (+0.44s | 0.8%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
| 296 | Jason Yin | 55.87 | 9 | B: 55.39 (+0.48s | 0.9%) | Santa Clara Swim Club | 05/17/2024 | Quicksilver Swimming Zone 1S LCM C B A+ Meet | ||
| 297 | Joshua Thomas | 55.91 | 10 | B: 55.39 (+0.52s | 0.9%) | Sunnyvale Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 298 | Eason Niu | 55.95 | 9 | B: 55.39 (+0.56s | 1.0%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 299 | Evan Kim | 55.96 | 10 | B: 55.39 (+0.57s | 1.0%) | Sunnyvale Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | ||
| 300 | Julius Zhong | 55.99 | 9 | B: 55.39 (+0.60s | 1.1%) | Gilroy Gators Swim Team | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
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.