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 | Jayden Zhu | 45.68 | 10 | BB Min | A: 43.09 (+2.59s | 5.7%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 52 | Ishaan Karunanayake | 45.97 | 9 | BB Min | A: 43.09 (+2.88s | 6.3%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 53 | Ros Saychuk | 46.08 | 10 | BB Min | A: 43.09 (+2.99s | 6.5%) | Tri Valley Aquatics | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 54 | Everett Brown | 46.10 | 10 | BB Min | A: 43.09 (+3.01s | 6.5%) | Orinda Aquatics | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 55 | Ethan Liu | 46.14 | 9 | BB Min | A: 43.09 (+3.05s | 6.6%) | Milpitas Aquatic Club | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 56 | Ethan Wang | 46.16 | 8 | BB Min | A: 43.09 (+3.07s | 6.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 57 | Trevor Jan | 46.17 | 9 | BB Min | A: 43.09 (+3.08s | 6.7%) | Alto Swim Club | 06/22/2024 | 2024 PC ALTO Long Course CBA+ | |
| 58 | Stephen Zhang | 46.22 | 10 | BB Min | A: 43.09 (+3.13s | 6.8%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 59 | Aaron Wang | 46.28 | 9 | BB Min | A: 43.09 (+3.19s | 6.9%) | Milpitas Aquatic Club | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 60 | Robert Obermeyer | 46.43 | 9 | BB Min | A: 43.09 (+3.34s | 7.2%) | Albany Armada Aquatics | 06/08/2024 | Orinda Aquatics LCM C/B/BB+ Meet | |
| 61 | James Zanutto | 46.57 | 6 | BB Min | A: 43.09 (+3.48s | 7.5%) | Burlingame Aquatics | 05/18/2024 | ALTO LCM May Cray Invitational | |
| 62 | Aaron Kuusela | 46.57 | 10 | BB Min | A: 43.09 (+3.48s | 7.5%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 63 | Darren Zhao | 46.76 | 8 | BB Min | A: 43.09 (+3.67s | 7.8%) | Santa Clara Swim Club | 07/20/2024 | ALTO LCM Last Splash Invitational Meet | |
| 64 | Jordan Dimaio | 46.79 | 10 | BB Min | A: 43.09 (+3.70s | 7.9%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 65 | Maxwell Tam | 46.84 | 10 | BB Min | A: 43.09 (+3.75s | 8.0%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 66 | Daniel Reschke | 46.84 | 9 | BB Min | A: 43.09 (+3.75s | 8.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 67 | Dennis Sun | 46.99 | 9 | BB Min | A: 43.09 (+3.90s | 8.3%) | Quicksilver Swimming | 06/12/2024 | Quicksilver LCM Micro Meet - SJ1 Summer League | |
| 68 | Alexander Fang | 47.02 | 8 | BB Min | A: 43.09 (+3.93s | 8.4%) | Reno Aquatic Club | 04/13/2024 | 2024 SN Spring Splash Long Course Swim Meet | |
| 69 | Jood Abu Raya | 47.11 | 9 | BB Min | A: 43.09 (+4.02s | 8.5%) | Daly City Dolphins | 06/29/2024 | DACA LCM CBA+ Meet | |
| 70 | Thomas Sedano | 47.16 | 8 | BB Min | A: 43.09 (+4.07s | 8.6%) | Monterey Bay Swim Club | 05/18/2024 | San Benito Aquatics LCM C/B/A+ Meet | |
| 71 | Yuri Evstigneev | 47.22 | 9 | BB Min | A: 43.09 (+4.13s | 8.7%) | Santa Clara Swim Club | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 72 | Mateo Finegold | 47.24 | 9 | BB Min | A: 43.09 (+4.15s | 8.8%) | Palo Alto Stanford Aquatics | 06/07/2024 | Burlingame Aquatic Club C/B/A+ LCM Meet | |
| 73 | Jackson Lee | 47.31 | 8 | BB Min | A: 43.09 (+4.22s | 8.9%) | Pacifica Sea Lions | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 74 | Will Dai | 47.44 | 10 | BB Min | A: 43.09 (+4.35s | 9.2%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 75 | Jason Ye | 47.50 | 9 | BB Min | A: 43.09 (+4.41s | 9.3%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 76 | Isaac Ma | 47.60 | 9 | BB Min | A: 43.09 (+4.51s | 9.5%) | California Dolphins Swim Team | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 77 | Aaron Hung | 47.77 | 9 | BB Min | A: 43.09 (+4.68s | 9.8%) | Palo Alto Stanford Aquatics | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 78 | Alex Sigmundson | 47.77 | 10 | BB Min | A: 43.09 (+4.68s | 9.8%) | Terrapins Swim Team | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 79 | Dmitry Lazo | 47.89 | 10 | BB Min | A: 43.09 (+4.80s | 10.0%) | Fog City Hammerheads | 04/19/2025 | Alto Spring Jam Meet | |
| 80 | Sammuel Zhou | 47.97 | 10 | BB Min | A: 43.09 (+4.88s | 10.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 81 | Noah Jagdev | 47.98 | 9 | 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 | |
| 82 | Emilio Azevedo | 47.99 | 9 | BB Min | A: 43.09 (+4.90s | 10.2%) | Quicksilver Swimming | 05/22/2024 | Quicksilver LCM Micro Meet - SJ1 Summer League | |
| 83 | Tommy Falzon | 48.16 | 9 | BB Min | A: 43.09 (+5.07s | 10.5%) | Bay Club Panthers | 06/07/2024 | Burlingame Aquatic Club C/B/A+ LCM Meet | |
| 84 | Ryan Zhang | 48.31 | 9 | BB Min | A: 43.09 (+5.22s | 10.8%) | Palo Alto Stanford Aquatics | 06/29/2024 | DACA LCM CBA+ Meet | |
| 85 | Connor Antonio | 48.58 | 9 | BB Min | A: 43.09 (+5.49s | 11.3%) | Santa Clara Swim Club | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 86 | Hans Jensen | 48.62 | 10 | BB Min | A: 43.09 (+5.53s | 11.4%) | Diablo Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 87 | Dominic Allen | 48.64 | 8 | BB Min | A: 43.09 (+5.55s | 11.4%) | Crow Canyon Sharks | 05/25/2024 | Tiger Aquatics LCM Age Group Open Meet | |
| 88 | Owen Zhuang | 48.77 | 8 | BB Min | A: 43.09 (+5.68s | 11.6%) | Santa Clara Swim Club | 07/20/2024 | ALTO LCM Last Splash Invitational Meet | |
| 89 | Eddie Bi | 48.81 | 8 | BB Min | A: 43.09 (+5.72s | 11.7%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 90 | Jamie Pan | 48.81 | 9 | BB Min | A: 43.09 (+5.72s | 11.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 91 | Demian Jarmy | 48.84 | 9 | BB Min | A: 43.09 (+5.75s | 11.8%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 92 | Leo Liao | 48.86 | 9 | BB Min | A: 43.09 (+5.77s | 11.8%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 93 | Cole King-thomas | 48.87 | 9 | BB Min | A: 43.09 (+5.78s | 11.8%) | Sonoma Sea Dragons | 06/22/2024 | NVST LCM Last Chance to AGC C/B/A+ Meet | |
| 94 | Chayton Zhou | 48.87 | 8 | BB Min | A: 43.09 (+5.78s | 11.8%) | Pleasanton Seahawks | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 95 | Charles Li | 48.91 | 9 | BB Min | A: 43.09 (+5.82s | 11.9%) | Sunnyvale Swim Club | 06/29/2024 | DACA LCM CBA+ Meet | |
| 96 | Arya Kadirvelu | 48.99 | 10 | BB Min | A: 43.09 (+5.90s | 12.0%) | San Ramon Valley Aquatics | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 97 | Bingwen Chu | 48.99 | 9 | BB Min | A: 43.09 (+5.90s | 12.0%) | Palo Alto Stanford Aquatics | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 98 | Julian Yu | 49.12 | 9 | BB Min | A: 43.09 (+6.03s | 12.3%) | Alto Swim Club | 06/29/2024 | ALTO Summer Swelter LCM Invitational | |
| 99 | Sean Tseng | 49.36 | 9 | B Min | BB: 49.29 (+0.07s | 0.1%) | Santa Clara Swim Club | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 100 | Mateo Sison | 49.41 | 9 | B Min | BB: 49.29 (+0.12s | 0.2%) | San Ramon Valley Aquatics | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
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.