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 | |
|---|---|---|---|---|---|---|---|---|---|
| 151 | Maxen Cao | 41.52 | 9 | BB Min | A: 37.59 (+3.93s | 9.5%) | Otter Swim Club | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 152 | William Ouyang | 41.58 | 10 | BB Min | A: 37.59 (+3.99s | 9.6%) | Unattached | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 153 | Roman Tsikalov | 41.58 | 10 | BB Min | A: 37.59 (+3.99s | 9.6%) | Otter Swim Club | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 154 | Kai Kitamori | 41.62 | 10 | BB Min | A: 37.59 (+4.03s | 9.7%) | East Bay Bat Rays | 10/18/2025 | PC CDST SC C B BB+ | |
| 155 | Cole King-thomas | 41.62 | 9 | BB Min | A: 37.59 (+4.03s | 9.7%) | Sonoma Sea Dragons | 11/23/2024 | Thankswimming Classic 2024 | |
| 156 | Hei Chan | 41.64 | 9 | BB Min | A: 37.59 (+4.05s | 9.7%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 157 | Jaden Manalastas | 41.66 | 9 | BB Min | A: 37.59 (+4.07s | 9.8%) | South San Francisco Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 158 | Liam O'Brien | 41.67 | 9 | BB Min | A: 37.59 (+4.08s | 9.8%) | Walnut Creek Aquabears | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 159 | Hunter Atkins | 41.71 | 9 | BB Min | A: 37.59 (+4.12s | 9.9%) | Palo Alto Stanford Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | |
| 160 | David Rivera | 41.72 | 10 | BB Min | A: 37.59 (+4.13s | 9.9%) | Almaden Riptide | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 161 | Ryan Chen | 41.72 | 10 | BB Min | A: 37.59 (+4.13s | 9.9%) | DeAnza Cupertino Aquatics | 12/06/2025 | Alto Dec 6 7 CBA | |
| 162 | Chayton Zhou | 41.74 | 8 | BB Min | A: 37.59 (+4.15s | 9.9%) | Pleasanton Seahawks | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 163 | Mason Suniega | 41.80 | 10 | BB Min | A: 37.59 (+4.21s | 10.1%) | Fog City Hammerheads | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 164 | Daniel Nagaoka | 41.81 | 10 | BB Min | A: 37.59 (+4.22s | 10.1%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 165 | Eddie Bi | 41.90 | 8 | BB Min | A: 37.59 (+4.31s | 10.3%) | California Dolphins Swim Team | 07/26/2025 | Zone 2 Summer Championships | |
| 166 | Maverick Albright | 41.96 | 9 | BB Min | A: 37.59 (+4.37s | 10.4%) | Reno Aquatic Club | 03/15/2025 | 2025 NNA Age Group Open | |
| 167 | Ethan Wang | 41.97 | 9 | BB Min | A: 37.59 (+4.38s | 10.4%) | Sunnyvale Swim Club | 10/05/2024 | 2024 DACA CBA SC Meet | |
| 168 | Muyang He | 42.01 | 8 | BB Min | A: 37.59 (+4.42s | 10.5%) | Santa Clara Swim Club | 02/08/2025 | Swim South Bay | |
| 169 | Russell George | 42.03 | 10 | BB Min | A: 37.59 (+4.44s | 10.6%) | Lakeridge Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 170 | Shay Jain | 42.08 | 9 | BB Min | A: 37.59 (+4.49s | 10.7%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 171 | Luke Lim | 42.09 | 10 | BB Min | A: 37.59 (+4.50s | 10.7%) | Alto Swim Club | 12/06/2025 | Alto Dec 6 7 CBA | |
| 172 | Brayden Nguyen | 42.16 | 9 | BB Min | A: 37.59 (+4.57s | 10.8%) | San Jose Goosemonkeys | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 173 | Kingston Walls | 42.16 | 8 | BB Min | A: 37.59 (+4.57s | 10.8%) | Walnut Creek Aquabears | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 174 | Reagan Wilsey | 42.17 | 9 | BB Min | A: 37.59 (+4.58s | 10.9%) | Palo Alto Stanford Aquatics | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 175 | Vittorio De Paola | 42.20 | 10 | BB Min | A: 37.59 (+4.61s | 10.9%) | Walnut Creek Aquabears | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 176 | Daniel Heilman | 42.23 | 9 | BB Min | A: 37.59 (+4.64s | 11.0%) | San Francisco Seals Swim Team | 10/11/2025 | SSF October Splash C B A+ Meet | |
| 177 | Toby Wong | 42.27 | 10 | BB Min | A: 37.59 (+4.68s | 11.1%) | Quicksilver Swimming | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 178 | Ronan MurdockPerriera | 42.31 | 9 | BB Min | A: 37.59 (+4.72s | 11.2%) | AC Swim Club | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 179 | Tobin Wong | 42.32 | 10 | BB Min | A: 37.59 (+4.73s | 11.2%) | Daly City Dolphins | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 180 | Yixuan Zhu | 42.38 | 9 | BB Min | A: 37.59 (+4.79s | 11.3%) | Pleasanton Seahawks | 03/01/2025 | PC SRVA SCY B BB+ Last Chance Meet | |
| 181 | Kota Whitman | 42.41 | 9 | BB Min | A: 37.59 (+4.82s | 11.4%) | North Bay Aquatics | 03/01/2025 | VJO March Mayhem C B A+ 2025 | |
| 182 | Finlay Nelson | 42.43 | 10 | BB Min | A: 37.59 (+4.84s | 11.4%) | AC Swim Club | 11/08/2025 | TCA PC November SC C B A+ | |
| 183 | Nicholas Mosendz | 42.47 | 9 | BB Min | A: 37.59 (+4.88s | 11.5%) | Santa Clara Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 184 | Nicoh Bocalan | 42.49 | 10 | BB Min | A: 37.59 (+4.90s | 11.5%) | San Ramon Valley Aquatics | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 185 | Bennett Wheeler | 42.51 | 10 | BB Min | A: 37.59 (+4.92s | 11.6%) | Unattached | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 186 | Kareem Ramadan | 42.51 | 10 | BB Min | A: 37.59 (+4.92s | 11.6%) | Monterey Bay Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 187 | Maddox Merz | 42.52 | 9 | BB Min | A: 37.59 (+4.93s | 11.6%) | Los Gatos Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 188 | Brayden Yan | 42.53 | 10 | BB Min | A: 37.59 (+4.94s | 11.6%) | Palo Alto Stanford Aquatics | 01/11/2025 | South San Francisco New Year Splash C B A+ | |
| 189 | Sam Beck | 42.59 | 10 | BB Min | A: 37.59 (+5.00s | 11.7%) | Lakeridge Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 190 | Seoyul Moon | 42.59 | 10 | BB Min | A: 37.59 (+5.00s | 11.7%) | Pleasanton Seahawks | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 191 | Ryan Ferguson | 42.61 | 9 | BB Min | A: 37.59 (+5.02s | 11.8%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 192 | Holden Ling | 42.62 | 10 | BB Min | A: 37.59 (+5.03s | 11.8%) | The Olympic Club | 11/22/2025 | Thankswimming Classic 2025 | |
| 193 | Benjamin Robinson | 42.64 | 9 | BB Min | A: 37.59 (+5.05s | 11.8%) | Neptune Swimming | 07/26/2025 | 2025 REAL Championships | |
| 194 | Leo Zeng | 42.66 | 9 | BB Min | A: 37.59 (+5.07s | 11.9%) | Santa Clara Swim Club | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 195 | Lucas Lim | 42.69 | 10 | BB Min | A: 37.59 (+5.10s | 11.9%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 196 | Leo Miyamoto | 42.69 | 10 | BB Min | A: 37.59 (+5.10s | 11.9%) | Napa Valley Swim Team | 11/22/2025 | Thankswimming Classic 2025 | |
| 197 | Marco Cao | 42.71 | 10 | BB Min | A: 37.59 (+5.12s | 12.0%) | Palo Alto Stanford Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | |
| 198 | Leo Ioffe | 42.74 | 9 | BB Min | A: 37.59 (+5.15s | 12.0%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 199 | Benjamin Chase | 42.75 | 10 | BB Min | A: 37.59 (+5.16s | 12.1%) | California Dolphins Swim Team | 07/26/2025 | Zone 2 Summer Championships | |
| 200 | Asher Shim | 42.76 | 9 | BB Min | A: 37.59 (+5.17s | 12.1%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics 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.