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 | |
|---|---|---|---|---|---|---|---|---|---|
| 151 | Robert Kolesnik | 50.96 | 10 | B Min | BB: 49.29 (+1.67s | 3.3%) | Bulldog Swim Club | 07/19/2025 | Alto Last Splash | |
| 152 | Colton Hester | 50.97 | 10 | B Min | BB: 49.29 (+1.68s | 3.3%) | Bulldog Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 153 | Aiden Kiatrungrit | 51.10 | 10 | B Min | BB: 49.29 (+1.81s | 3.5%) | South San Francisco Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 154 | Cyrus Yang | 51.11 | 10 | B Min | BB: 49.29 (+1.82s | 3.6%) | Quicksilver Swimming | 05/17/2024 | Quicksilver Swimming Zone 1S LCM C B A+ Meet | |
| 155 | Lucas LeJanairo | 51.20 | 8 | B Min | BB: 49.29 (+1.91s | 3.7%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 156 | Nolan Sun | 51.26 | 10 | B Min | BB: 49.29 (+1.97s | 3.8%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 157 | Ahmet Okyay | 51.36 | 10 | B Min | BB: 49.29 (+2.07s | 4.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 158 | William Frohnen | 51.54 | 9 | B Min | BB: 49.29 (+2.25s | 4.4%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 159 | Jake Gehlert | 51.55 | 9 | B Min | BB: 49.29 (+2.26s | 4.4%) | Piedmont Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 160 | Albert Yang | 51.58 | 9 | B Min | BB: 49.29 (+2.29s | 4.4%) | California Dolphins Swim Team | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 161 | Maximilian Kuo | 51.62 | 7 | B Min | BB: 49.29 (+2.33s | 4.5%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | |
| 162 | Kaan Tufan | 51.63 | 9 | B Min | BB: 49.29 (+2.34s | 4.5%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 163 | Ethan Yang | 51.70 | 8 | B Min | BB: 49.29 (+2.41s | 4.7%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 164 | Finn Scott | 51.73 | 10 | B Min | BB: 49.29 (+2.44s | 4.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 165 | Bruce Asmega | 51.85 | 10 | B Min | BB: 49.29 (+2.56s | 4.9%) | Pacifica Sea Lions | 05/02/2026 | Alto Spring Jam CBA | |
| 166 | Kotia Zvereff | 51.90 | 7 | B Min | BB: 49.29 (+2.61s | 5.0%) | Unattached | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 167 | Mingke Ding | 51.90 | 9 | B Min | BB: 49.29 (+2.61s | 5.0%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 168 | Wilson Zhou | 52.29 | 10 | B Min | BB: 49.29 (+3.00s | 5.7%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 169 | BaoSheng Wang | 52.30 | 8 | B Min | BB: 49.29 (+3.01s | 5.8%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 170 | Lev Gishizky | 52.33 | 10 | B Min | BB: 49.29 (+3.04s | 5.8%) | Waves Aquatics Napa Valley | 06/22/2024 | NVST S LAST CHANCE JO SUMMER PLUNGE | |
| 171 | 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+ | |
| 172 | Ian Jiang | 52.38 | 9 | B Min | BB: 49.29 (+3.09s | 5.9%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 173 | 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 | |
| 174 | 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 | |
| 175 | Norne Fang | 52.41 | 8 | B Min | BB: 49.29 (+3.12s | 6.0%) | Milpitas Aquatic Club | 07/19/2025 | Alto Last Splash | |
| 176 | Dean Wu | 52.52 | 7 | B Min | BB: 49.29 (+3.23s | 6.2%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 177 | Arz Abu Raya | 52.64 | 8 | B Min | BB: 49.29 (+3.35s | 6.4%) | Unattached | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 178 | 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+ | |
| 179 | Ivan Hu | 52.76 | 8 | B Min | BB: 49.29 (+3.47s | 6.6%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 180 | 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 | |
| 181 | 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+ | |
| 182 | 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 | |
| 183 | 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 | |
| 184 | Caleb Gray | 52.98 | 8 | B Min | BB: 49.29 (+3.69s | 7.0%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 185 | Itai Nadav | 53.00 | 9 | B Min | BB: 49.29 (+3.71s | 7.0%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 186 | 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+ | |
| 187 | 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 | |
| 188 | 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 | |
| 189 | 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 | |
| 190 | Noah Huyen | 53.25 | 9 | B Min | BB: 49.29 (+3.96s | 7.4%) | Daly City Dolphins | 06/06/2025 | BAC C B A Meet | |
| 191 | Benjamin Huang | 53.29 | 10 | B Min | BB: 49.29 (+4.00s | 7.5%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 192 | Anderson Fang | 53.31 | 8 | B Min | BB: 49.29 (+4.02s | 7.5%) | Reno Aquatic Club | 06/20/2025 | Reno Aquatic Club Gamble | |
| 193 | Benjamin Chase | 53.39 | 10 | B: 44.49 (+8.90s | 16.7%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | ||
| 194 | 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 | |
| 195 | Flynn Chen | 53.47 | 10 | B Min | BB: 49.29 (+4.18s | 7.8%) | DeAnza Cupertino Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 196 | League Anakata | 53.49 | 10 | B Min | BB: 49.29 (+4.20s | 7.9%) | Alameda Gators | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 197 | Ethan Gao | 53.50 | 9 | B Min | BB: 49.29 (+4.21s | 7.9%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 198 | Shay Jain | 53.50 | 9 | B Min | BB: 49.29 (+4.21s | 7.9%) | Palo Alto Stanford Aquatics | 05/24/2025 | 2025 Mike Snyder Memorial | |
| 199 | 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 | |
| 200 | Caleb Nguyen | 53.61 | 10 | B Min | BB: 49.29 (+4.32s | 8.1%) | East Bay Silver Dolphins | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
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.