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 | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Robert Obermeyer | 39.78 | 10 | BB Min | A: 37.59 (+2.19s | 5.5%) | Piedmont Swim Team | 05/18/2025 | Montclair 14 Under Short Course Pentathlon | |
| 102 | Joseph Pelleriti | 39.80 | 9 | BB Min | A: 37.59 (+2.21s | 5.6%) | Pacific Coast Marlins | 12/06/2025 | Neptune Swimming Swim Like The Dickens | |
| 103 | Miro Wang | 39.94 | 10 | BB Min | A: 37.59 (+2.35s | 5.9%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | |
| 104 | Paxton Ross-Givner | 40.05 | 9 | BB Min | A: 37.59 (+2.46s | 6.1%) | Mavericks | 11/09/2024 | PSL SC CBA+ Meet | |
| 105 | Zachary Everett | 40.13 | 10 | BB Min | A: 37.59 (+2.54s | 6.3%) | Seals Aquatics | 12/12/2025 | Winter SC Age Group Championships | |
| 106 | Ryan Zhang | 40.27 | 9 | BB Min | A: 37.59 (+2.68s | 6.7%) | Palo Alto Stanford Aquatics | 07/21/2024 | 2024 PASA Summer Palooza | |
| 107 | Barrett Buffington | 40.28 | 10 | BB Min | A: 37.59 (+2.69s | 6.7%) | Northern Nevada Aquatics | 09/12/2025 | Molly Lahlum Memorial Autumn Freeze | |
| 108 | Anderson Moy | 40.29 | 10 | BB Min | A: 37.59 (+2.70s | 6.7%) | DeAnza Cupertino Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 109 | Charles Liu Bates | 40.31 | 9 | BB Min | A: 37.59 (+2.72s | 6.7%) | California Dolphins Swim Team | 05/19/2024 | Montclair 14 U Pentathlon | |
| 110 | Luca Fu | 40.31 | 8 | BB Min | A: 37.59 (+2.72s | 6.7%) | Lakeridge Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 111 | Elias Lien | 40.31 | 7 | BB Min | A: 37.59 (+2.72s | 6.7%) | Santa Clara Swim Club | 09/27/2025 | 2025 MAC Season Kick Off | |
| 112 | John Griswold | 40.32 | 10 | BB Min | A: 37.59 (+2.73s | 6.8%) | Alameda Gators | 10/18/2025 | PC CDST SC C B BB+ | |
| 113 | Channing Pepper | 40.39 | 9 | BB Min | A: 37.59 (+2.80s | 6.9%) | Seals Aquatics | 11/22/2025 | Thankswimming Classic 2025 | |
| 114 | Alex Joy | 40.42 | 9 | BB Min | A: 37.59 (+2.83s | 7.0%) | Los Altos Mountain View Aquati | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 115 | Judah Lee | 40.46 | 10 | BB Min | A: 37.59 (+2.87s | 7.1%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | |
| 116 | Orion Blue-Smith | 40.46 | 9 | BB Min | A: 37.59 (+2.87s | 7.1%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 117 | Cole Proescher | 40.47 | 9 | BB Min | A: 37.59 (+2.88s | 7.1%) | Orinda Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 118 | Elliott Lindley | 40.49 | 9 | BB Min | A: 37.59 (+2.90s | 7.2%) | Los Altos Mountain View Aquati | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 119 | Liam Marciel | 40.55 | 8 | BB Min | A: 37.59 (+2.96s | 7.3%) | South Valley Makos | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 120 | Rhys Beyeler-Evans | 40.56 | 10 | BB Min | A: 37.59 (+2.97s | 7.3%) | Piedmont Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 121 | Luke Xu | 40.57 | 10 | BB Min | A: 37.59 (+2.98s | 7.3%) | California Dolphins Swim Team | 12/12/2025 | Winter SC Age Group Championships | |
| 122 | Ishaan Karunanayake | 40.62 | 9 | BB Min | A: 37.59 (+3.03s | 7.5%) | Alto Swim Club | 11/23/2024 | Alto Fall Frolic Meet | |
| 123 | Leo Chen | 40.62 | 10 | BB Min | A: 37.59 (+3.03s | 7.5%) | Quicksilver Swimming | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 124 | Nakai LaMere | 40.63 | 10 | BB Min | A: 37.59 (+3.04s | 7.5%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 125 | Maxwell Yao | 40.63 | 9 | BB Min | A: 37.59 (+3.04s | 7.5%) | Gilroy Gators Swim Team | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 126 | Dylan Tian | 40.64 | 8 | BB Min | A: 37.59 (+3.05s | 7.5%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 127 | Jeremy Zhao | 40.70 | 9 | BB Min | A: 37.59 (+3.11s | 7.6%) | Quicksilver Swimming | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 128 | Asher Young | 40.70 | 9 | BB Min | A: 37.59 (+3.11s | 7.6%) | Terrapins Swim Team | 07/26/2025 | Zone 2 Summer Championships | |
| 129 | Arthur Shackelton | 40.75 | 9 | BB Min | A: 37.59 (+3.16s | 7.8%) | Lakeridge Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 130 | Finn Scott | 40.76 | 10 | BB Min | A: 37.59 (+3.17s | 7.8%) | Alto Swim Club | 12/06/2025 | Alto Dec 6 7 CBA | |
| 131 | Corey Tang | 40.76 | 10 | BB Min | A: 37.59 (+3.17s | 7.8%) | Unattached | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 132 | Leo Liao | 40.81 | 9 | BB Min | A: 37.59 (+3.22s | 7.9%) | Alto Swim Club | 10/25/2025 | 2025 SUNN Fall Classic | |
| 133 | Noah Wu | 40.82 | 9 | BB Min | A: 37.59 (+3.23s | 7.9%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 134 | Neo Perera | 40.95 | 10 | BB Min | A: 37.59 (+3.36s | 8.2%) | Los Altos Mountain View Aquati | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 135 | Alexander Chung | 41.03 | 10 | BB Min | A: 37.59 (+3.44s | 8.4%) | Palo Alto Stanford Aquatics | 07/20/2025 | 2025 PASA Summer Palooza | |
| 136 | Aaron Kuusela | 41.04 | 9 | BB Min | A: 37.59 (+3.45s | 8.4%) | Alto Swim Club | 10/26/2024 | 2024 SUNN Fall Classic CBA+ Meet | |
| 137 | Jaxon Mendoza | 41.12 | 9 | BB Min | A: 37.59 (+3.53s | 8.6%) | San Benito Aquatics | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 138 | Sammuel Zhou | 41.13 | 9 | BB Min | A: 37.59 (+3.54s | 8.6%) | Alto Swim Club | 11/23/2024 | Alto Fall Frolic Meet | |
| 139 | Brycen Hao | 41.13 | 10 | BB Min | A: 37.59 (+3.54s | 8.6%) | Pacifica Sea Lions | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 140 | Adam Ma | 41.18 | 10 | BB Min | A: 37.59 (+3.59s | 8.7%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 141 | Jason Yin | 41.23 | 9 | BB Min | A: 37.59 (+3.64s | 8.8%) | St. Lawrence Swim Team | 10/25/2025 | GGST Spooktacular 2025 | |
| 142 | George Yu | 41.28 | 9 | BB Min | A: 37.59 (+3.69s | 8.9%) | Santa Clara Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 143 | Darren Zhao | 41.30 | 8 | BB Min | A: 37.59 (+3.71s | 9.0%) | Santa Clara Swim Club | 09/14/2024 | Milpitas Aquatic Club SC CBA+ Meet | |
| 144 | Juan Lopez | 41.34 | 10 | BB Min | A: 37.59 (+3.75s | 9.1%) | San Benito Aquatics | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 145 | Jamie Pan | 41.35 | 9 | BB Min | A: 37.59 (+3.76s | 9.1%) | Alto Swim Club | 01/25/2025 | Z1N SC Championship | |
| 146 | Joon Cha | 41.41 | 9 | BB Min | A: 37.59 (+3.82s | 9.2%) | Sunnyvale Swim Club | 12/12/2025 | Winter SC Age Group Championships | |
| 147 | Conner Koning | 41.42 | 10 | BB Min | A: 37.59 (+3.83s | 9.2%) | Unattached | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 148 | William Power | 41.46 | 9 | BB Min | A: 37.59 (+3.87s | 9.3%) | Monterey Bay Swim Club | 07/18/2025 | CVAL | |
| 149 | Arthur Chen | 41.47 | 10 | BB Min | A: 37.59 (+3.88s | 9.4%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 150 | Connor Dennis | 41.48 | 10 | BB Min | A: 37.59 (+3.89s | 9.4%) | Pacifica Sea Lions | 02/22/2025 | BAC C B A 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.