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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | James Zanutto | 46.57 | 8 | BB Min | A: 43.09 (+3.48s | 7.5%) | Burlingame Aquatics | 05/18/2024 | Alto May Cray Invitational | |
| 52 | Noah Jagdev | 46.68 | 10 | BB Min | A: 43.09 (+3.59s | 7.7%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 53 | Liam Reyes | 46.70 | 10 | BB Min | A: 43.09 (+3.61s | 7.7%) | Sparks Piranhas Swim Team | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | |
| 54 | Daniel Heilman | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | San Francisco Seals Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 55 | Luca Fu | 46.77 | 9 | BB Min | A: 43.09 (+3.68s | 7.9%) | Lakeridge Swim Team | 07/12/2025 | 2025 Silver State Championships | |
| 56 | David Rivera | 46.77 | 10 | BB Min | A: 43.09 (+3.68s | 7.9%) | Almaden Riptide | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 57 | Yunus Mukhamadiev | 46.80 | 10 | BB Min | A: 43.09 (+3.71s | 7.9%) | Brentwood Seawolves | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 58 | Lucas Jiang | 46.84 | 9 | BB Min | A: 43.09 (+3.75s | 8.0%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 59 | Yichen Wang | 46.90 | 9 | BB Min | A: 43.09 (+3.81s | 8.1%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 60 | Harry Huynh | 47.02 | 10 | BB Min | A: 43.09 (+3.93s | 8.4%) | Sunnyvale Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 61 | Brendan Ma | 47.10 | 9 | BB Min | A: 43.09 (+4.01s | 8.5%) | Orinda Aquatics | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 62 | Miles Wang | 47.15 | 9 | BB Min | A: 43.09 (+4.06s | 8.6%) | Pleasanton Seahawks | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 63 | Thomas Sedano | 47.16 | 10 | BB Min | A: 43.09 (+4.07s | 8.6%) | Monterey Bay Swim Club | 05/18/2024 | San Benito Aquatics C B A+ | |
| 64 | Ian Jones | 47.18 | 10 | BB Min | A: 43.09 (+4.09s | 8.7%) | Ladera Oaks | 05/16/2026 | 2026 DACA LC CBA+ | |
| 65 | 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+ | |
| 66 | 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 | |
| 67 | Asher Young | 47.66 | 10 | BB Min | A: 43.09 (+4.57s | 9.6%) | Terrapins Swim Team | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 68 | Aden Sun | 47.77 | 10 | BB Min | A: 43.09 (+4.68s | 9.8%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 69 | Roman Tsikalov | 47.77 | 10 | BB Min | A: 43.09 (+4.68s | 9.8%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 70 | Ishaan Malik | 47.79 | 9 | BB Min | A: 43.09 (+4.70s | 9.8%) | Unattached | 05/02/2026 | Alto Spring Jam CBA | |
| 71 | Kai Kitamori | 47.80 | 10 | BB Min | A: 43.09 (+4.71s | 9.9%) | East Bay Bat Rays | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 72 | Elliott Lee Chan Kam | 47.83 | 9 | BB Min | A: 43.09 (+4.74s | 9.9%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 73 | Adam Ellingwood | 47.90 | 10 | BB Min | A: 43.09 (+4.81s | 10.0%) | Orinda Aquatics | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 74 | Ryan Chen | 47.93 | 10 | BB Min | A: 43.09 (+4.84s | 10.1%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 75 | William Power | 47.93 | 10 | BB Min | A: 43.09 (+4.84s | 10.1%) | Unattached | 06/27/2025 | Valley Splash | |
| 76 | William Ouyang | 47.93 | 10 | BB Min | A: 43.09 (+4.84s | 10.1%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 77 | 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 | |
| 78 | Bruce Zhang | 48.03 | 9 | BB Min | A: 43.09 (+4.94s | 10.3%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 79 | Kai Chen | 48.11 | 10 | BB Min | A: 43.09 (+5.02s | 10.4%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 80 | 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 | |
| 81 | Daniel Kalinovski | 48.21 | 10 | BB Min | A: 43.09 (+5.12s | 10.6%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 82 | Fedor Evstigneev | 48.26 | 9 | BB Min | A: 43.09 (+5.17s | 10.7%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 83 | Alex Li | 48.31 | 9 | BB Min | A: 43.09 (+5.22s | 10.8%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 84 | Taeyul Heo | 48.36 | 10 | BB Min | A: 43.09 (+5.27s | 10.9%) | Pleasanton Seahawks | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 85 | Neo Perera | 48.42 | 10 | BB Min | A: 43.09 (+5.33s | 11.0%) | Los Altos Mountain View Aquati | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 86 | Arwin Safaee | 48.51 | 10 | BB Min | A: 43.09 (+5.42s | 11.2%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 87 | Matthew Chen | 48.59 | 10 | BB Min | A: 43.09 (+5.50s | 11.3%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | |
| 88 | Demian Jarmy | 48.60 | 10 | BB Min | A: 43.09 (+5.51s | 11.3%) | Pleasanton Seahawks | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 89 | 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 | |
| 90 | Aiden Huang | 48.80 | 10 | BB Min | A: 43.09 (+5.71s | 11.7%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 91 | Jamie Pan | 48.81 | 10 | BB Min | A: 43.09 (+5.72s | 11.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 92 | Leo Liao | 48.86 | 10 | BB Min | A: 43.09 (+5.77s | 11.8%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 93 | 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+ | |
| 94 | Arick Yuan | 49.00 | 10 | BB Min | A: 43.09 (+5.91s | 12.1%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 95 | 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 | |
| 96 | Jay Dai | 49.12 | 10 | BB Min | A: 43.09 (+6.03s | 12.3%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 97 | Thomas Cooke | 49.27 | 9 | BB Min | A: 43.09 (+6.18s | 12.5%) | Aptos Cabrillo Swim Club | 06/27/2025 | Valley Splash | |
| 98 | Sutton Hopelain | 49.30 | 10 | B Min | BB: 49.29 (+0.01s | 0.0%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 99 | Zhencheng Xu | 49.35 | 10 | B Min | BB: 49.29 (+0.06s | 0.1%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 100 | Charlie Wang | 49.39 | 9 | B Min | BB: 49.29 (+0.10s | 0.2%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
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.