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 | Quintus Cheung | 41.45 | 8 | BB Min | A: 37.59 (+3.86s | 9.3%) | Milpitas Aquatic Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 152 | William Power | 41.46 | 9 | BB Min | A: 37.59 (+3.87s | 9.3%) | Monterey Bay Swim Club | 07/18/2025 | CVAL | |
| 153 | Daniel Kalinovski | 41.52 | 10 | BB Min | A: 37.59 (+3.93s | 9.5%) | Otter Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 154 | Eddie Bi | 41.55 | 9 | BB Min | A: 37.59 (+3.96s | 9.5%) | California Dolphins Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 155 | Evan Wang | 41.55 | 10 | BB Min | A: 37.59 (+3.96s | 9.5%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 156 | Kai Mihov | 41.57 | 10 | BB Min | A: 37.59 (+3.98s | 9.6%) | Palo Alto Stanford Aquatics | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 157 | 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+ | |
| 158 | Russell George | 41.58 | 11 | BB Min | A: 37.59 (+3.99s | 9.6%) | Lakeridge Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 159 | William Ouyang | 41.58 | 10 | BB Min | A: 37.59 (+3.99s | 9.6%) | Unattached | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 160 | Daniel Platon | 41.61 | 10 | BB Min | A: 37.59 (+4.02s | 9.7%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 161 | 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+ | |
| 162 | Cole King-thomas | 41.62 | 9 | BB Min | A: 37.59 (+4.03s | 9.7%) | Sonoma Sea Dragons | 11/23/2024 | Thankswimming Classic 2024 | |
| 163 | Holden Ling | 41.64 | 10 | BB Min | A: 37.59 (+4.05s | 9.7%) | The Olympic Club | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 164 | 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 | |
| 165 | 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 | |
| 166 | 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 | |
| 167 | Luke Mangoba | 41.80 | 10 | BB Min | A: 37.59 (+4.21s | 10.1%) | Reno Aquatic Club | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 168 | Penghao Yu | 41.89 | 10 | BB Min | A: 37.59 (+4.30s | 10.3%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 169 | Leo Miyamoto | 41.93 | 10 | BB Min | A: 37.59 (+4.34s | 10.4%) | Napa Valley Swim Team | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 170 | Aden Sun | 41.93 | 10 | BB Min | A: 37.59 (+4.34s | 10.4%) | Burlingame Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 171 | 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 | |
| 172 | Muyang He | 42.01 | 8 | BB Min | A: 37.59 (+4.42s | 10.5%) | Santa Clara Swim Club | 02/08/2025 | Swim South Bay | |
| 173 | Leo Ioffe | 42.04 | 9 | BB Min | A: 37.59 (+4.45s | 10.6%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 174 | Maddox Merz | 42.08 | 9 | BB Min | A: 37.59 (+4.49s | 10.7%) | Los Gatos Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 175 | 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 | |
| 176 | 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 | |
| 177 | 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 | |
| 178 | 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 | |
| 179 | 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 | |
| 180 | Jonathan Chen | 42.21 | 9 | BB Min | A: 37.59 (+4.62s | 10.9%) | California Dolphins Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 181 | Ryan Ferguson | 42.21 | 9 | BB Min | A: 37.59 (+4.62s | 10.9%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 182 | 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 | |
| 183 | Zach Salcedo | 42.25 | 10 | BB Min | A: 37.59 (+4.66s | 11.0%) | Lakeridge Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 184 | 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 | |
| 185 | Daniel Reschke | 42.29 | 9 | BB Min | A: 37.59 (+4.70s | 11.1%) | Alto Swim Club | 02/22/2025 | De Anza C B A+ | |
| 186 | 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 | |
| 187 | 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 | |
| 188 | Gabriel Dieme | 42.33 | 10 | BB Min | A: 37.59 (+4.74s | 11.2%) | Humboldt Swim Club | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 189 | Hugo Chian | 42.33 | 11 | BB Min | A: 37.59 (+4.74s | 11.2%) | The Olympic Club | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 190 | Garrett Legg | 42.35 | 8 | BB Min | A: 37.59 (+4.76s | 11.2%) | Pleasanton Seahawks | 01/10/2026 | Pleasanton Seahawks SCY C B BB+ Meet | |
| 191 | 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 | |
| 192 | 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 | |
| 193 | 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+ | |
| 194 | Duorong Yu | 42.47 | 10 | BB Min | A: 37.59 (+4.88s | 11.5%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 195 | 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 | |
| 196 | Bennett Wheeler | 42.51 | 10 | BB Min | A: 37.59 (+4.92s | 11.6%) | Unattached | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 197 | Adam Ellingwood | 42.51 | 10 | BB Min | A: 37.59 (+4.92s | 11.6%) | Pleasanton Seahawks | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 198 | 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+ | |
| 199 | Zimo Xu | 42.59 | 10 | BB Min | A: 37.59 (+5.00s | 11.7%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 200 | Atharv Tiruke | 42.59 | 9 | BB Min | A: 37.59 (+5.00s | 11.7%) | Sunnyvale Swim Club | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
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.