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 | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Elliott Lee Chan Kam | 47.15 | 10 | BB Min | A: 43.09 (+4.06s | 8.6%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 102 | Ryan Ferguson | 47.21 | 9 | BB Min | A: 43.09 (+4.12s | 8.7%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 103 | Nathan Nguyen | 47.27 | 10 | BB Min | A: 43.09 (+4.18s | 8.8%) | San Jose Goosemonkeys | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 104 | William Ouyang | 47.46 | 10 | BB Min | A: 43.09 (+4.37s | 9.2%) | Unattached | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 105 | Ronan MurdockPerriera | 47.48 | 9 | BB Min | A: 43.09 (+4.39s | 9.2%) | AC Swim Club | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 106 | Eli Cukrov | 47.51 | 9 | BB Min | A: 43.09 (+4.42s | 9.3%) | Reno Aquatic Club | 07/10/2026 | 2026 NNA Silver State Championships | |
| 107 | Tristan Wan | 47.61 | 9 | BB Min | A: 43.09 (+4.52s | 9.5%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 108 | Jaden Manalastas | 47.65 | 10 | BB Min | A: 43.09 (+4.56s | 9.6%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 109 | William Frohnen | 47.71 | 9 | BB Min | A: 43.09 (+4.62s | 9.7%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 110 | Lucas Nguyen | 47.73 | 10 | BB Min | A: 43.09 (+4.64s | 9.7%) | Valley Splash | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 111 | Alexander Forward | 47.76 | 8 | BB Min | A: 43.09 (+4.67s | 9.8%) | San Jose Goosemonkeys | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 112 | Roman Tsikalov | 47.77 | 10 | BB Min | A: 43.09 (+4.68s | 9.8%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 113 | Ishaan Malik | 47.79 | 10 | BB Min | A: 43.09 (+4.70s | 9.8%) | Unattached | 05/02/2026 | Alto Spring Jam CBA | |
| 114 | Leonardo Negritoiu | 47.90 | 10 | BB Min | A: 43.09 (+4.81s | 10.0%) | The Olympic Club | 06/12/2026 | Neptune Swimming June LC Meet | |
| 115 | Norne Fang | 47.91 | 8 | BB Min | A: 43.09 (+4.82s | 10.1%) | Milpitas Aquatic Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 116 | William Power | 47.93 | 10 | BB Min | A: 43.09 (+4.84s | 10.1%) | Unattached | 06/27/2025 | Valley Splash | |
| 117 | Eric Hu | 47.96 | 9 | BB Min | A: 43.09 (+4.87s | 10.2%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 118 | Noah Jagdev | 47.98 | 10 | BB Min | A: 43.09 (+4.89s | 10.2%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 119 | Mykhail Zolotukhin | 48.00 | 8 | BB Min | A: 43.09 (+4.91s | 10.2%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 120 | Aiden Kiatrungrit | 48.02 | 10 | BB Min | A: 43.09 (+4.93s | 10.3%) | South San Francisco Aquatics | 06/12/2026 | BAC Long Course | |
| 121 | Bruce Zhang | 48.03 | 9 | BB Min | A: 43.09 (+4.94s | 10.3%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 122 | Kai Chen | 48.11 | 10 | BB Min | A: 43.09 (+5.02s | 10.4%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 123 | Sebastian McNary | 48.18 | 10 | BB Min | A: 43.09 (+5.09s | 10.6%) | Tiger Aquatics | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 124 | Penghao Yu | 48.21 | 10 | BB Min | A: 43.09 (+5.12s | 10.6%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 125 | Daniel Kalinovski | 48.21 | 10 | BB Min | A: 43.09 (+5.12s | 10.6%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 126 | Arick Yuan | 48.39 | 10 | BB Min | A: 43.09 (+5.30s | 11.0%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 127 | Hohyeon Cho | 48.47 | 10 | BB Min | A: 43.09 (+5.38s | 11.1%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 128 | Ethan Yang | 48.47 | 8 | BB Min | A: 43.09 (+5.38s | 11.1%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 129 | Grayson Julien | 48.50 | 10 | BB Min | A: 43.09 (+5.41s | 11.2%) | South Valley Makos | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 130 | Jacob Chen | 48.60 | 9 | BB Min | A: 43.09 (+5.51s | 11.3%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 131 | Daniel Gerasimov | 48.62 | 8 | BB Min | A: 43.09 (+5.53s | 11.4%) | Los Gatos Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 132 | Robert Kolesnik | 48.68 | 10 | BB Min | A: 43.09 (+5.59s | 11.5%) | Bulldog Swim Club | 06/12/2026 | BAC Long Course | |
| 133 | Zhencheng Xu | 48.73 | 10 | BB Min | A: 43.09 (+5.64s | 11.6%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 134 | Owen Zhuang | 48.77 | 10 | BB Min | A: 43.09 (+5.68s | 11.6%) | Santa Clara Swim Club | 07/20/2024 | Alto Last Splash Invitational | |
| 135 | Jamie Pan | 48.81 | 10 | BB Min | A: 43.09 (+5.72s | 11.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 136 | Leo Liao | 48.86 | 10 | BB Min | A: 43.09 (+5.77s | 11.8%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 137 | Piradon Pukrittayakamee | 48.96 | 9 | BB Min | A: 43.09 (+5.87s | 12.0%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 138 | Rhys Beyeler-Evans | 48.97 | 10 | BB Min | A: 43.09 (+5.88s | 12.0%) | Piedmont Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 139 | Mateo Sison | 49.10 | 10 | BB Min | A: 43.09 (+6.01s | 12.2%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 140 | Gavin Lowe | 49.18 | 5 | BB Min | A: 43.09 (+6.09s | 12.4%) | Tri Valley Aquatics | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 141 | Thomas Cooke | 49.27 | 9 | BB Min | A: 43.09 (+6.18s | 12.5%) | Aptos Cabrillo Swim Club | 06/27/2025 | Valley Splash | |
| 142 | Lucas LeJanairo | 49.28 | 8 | BB Min | A: 43.09 (+6.19s | 12.6%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 143 | Sutton Hopelain | 49.30 | 10 | B Min | BB: 49.29 (+0.01s | 0.0%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 144 | Evan Doong | 49.35 | 10 | B Min | BB: 49.29 (+0.06s | 0.1%) | Sunnyvale Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 145 | Charlie Wang | 49.39 | 9 | B Min | BB: 49.29 (+0.10s | 0.2%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 146 | Luke Cheng | 49.45 | 10 | B Min | BB: 49.29 (+0.16s | 0.3%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 147 | Isaiah Fadillah | 49.54 | 10 | B Min | BB: 49.29 (+0.25s | 0.5%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | |
| 148 | Shayan Sarkar | 49.55 | 10 | B Min | BB: 49.29 (+0.26s | 0.5%) | Diablo Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 149 | Luke Xu | 49.58 | 10 | B Min | BB: 49.29 (+0.29s | 0.6%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 150 | Jace Gordon | 49.62 | 9 | B Min | BB: 49.29 (+0.33s | 0.7%) | Los Gatos Swim Club | 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.