Pacific Swimming Boys 10 & under - 50 M Breast
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 | Artyom Smirnoff | 55.45 | 10 | B Min | BB: 54.39 (+1.06s | 1.9%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 102 | Ethan Wang | 55.53 | 9 | B Min | BB: 54.39 (+1.14s | 2.1%) | Sunnyvale Swim Club | 06/29/2024 | DACA LCM CBA+ Meet | |
| 103 | Solomon Fox | 55.54 | 7 | B Min | BB: 54.39 (+1.15s | 2.1%) | Burlingame Aquatics | 06/09/2023 | Burlingame Aquatic Club LCM C/B/A+ Meet | |
| 104 | Emmett Adams | 55.72 | 9 | B Min | BB: 54.39 (+1.33s | 2.4%) | Reno Aquatic Club | 06/21/2024 | RENO Gamble Age Group Open | |
| 105 | Lucas Jiang | 55.76 | 8 | B Min | BB: 54.39 (+1.37s | 2.5%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 106 | Brett Baker | 55.76 | 9 | B Min | BB: 54.39 (+1.37s | 2.5%) | Burlingame Aquatics | 06/07/2024 | Burlingame Aquatic Club C/B/A+ LCM Meet | |
| 107 | Louis Yu | 55.86 | 7 | B Min | BB: 54.39 (+1.47s | 2.6%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 108 | Chayton Zhou | 55.87 | 8 | B Min | BB: 54.39 (+1.48s | 2.6%) | Pleasanton Seahawks | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 109 | Ethan Valdez | 55.88 | 9 | B Min | BB: 54.39 (+1.49s | 2.7%) | Bay Club Panthers | 06/29/2024 | DACA LCM CBA+ Meet | |
| 110 | Nicholas Mosendz | 55.92 | 9 | B Min | BB: 54.39 (+1.53s | 2.7%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 111 | Sean Jiang | 55.96 | 10 | B Min | BB: 54.39 (+1.57s | 2.8%) | South San Francisco Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 112 | Ryan Chen | 56.01 | 9 | B Min | BB: 54.39 (+1.62s | 2.9%) | DeAnza Cupertino Aquatics | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 113 | Aaron Wang | 56.16 | 10 | B Min | BB: 54.39 (+1.77s | 3.2%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 114 | Stephen Zhang | 56.35 | 10 | B Min | BB: 54.39 (+1.96s | 3.5%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 115 | Luke Cheng | 56.42 | 9 | B Min | BB: 54.39 (+2.03s | 3.6%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 116 | Zackary Chuck | 56.50 | 8 | B Min | BB: 54.39 (+2.11s | 3.7%) | Boys & Girls Club of SF | 04/27/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 117 | Alexander Fang | 56.52 | 9 | B Min | BB: 54.39 (+2.13s | 3.8%) | Reno Aquatic Club | 06/21/2024 | RENO Gamble Age Group Open | |
| 118 | Aaron Hung | 56.53 | 9 | B Min | BB: 54.39 (+2.14s | 3.8%) | Palo Alto Stanford Aquatics | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 119 | Johnathan Wang | 56.70 | 8 | B Min | BB: 54.39 (+2.31s | 4.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 120 | Atticus Walker | 56.73 | 9 | B Min | BB: 54.39 (+2.34s | 4.1%) | Alto Swim Club | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 121 | Tommy Falzon | 56.74 | 9 | B Min | BB: 54.39 (+2.35s | 4.1%) | Bay Club Panthers | 05/18/2024 | PASA Zone 1N LCM C/B/A+ Meet | |
| 122 | Luke Lim | 56.76 | 9 | B Min | BB: 54.39 (+2.37s | 4.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 123 | Sammuel Zhou | 56.87 | 10 | B Min | BB: 54.39 (+2.48s | 4.4%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 124 | Alex Zhong | 57.07 | 7 | B Min | BB: 54.39 (+2.68s | 4.7%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 125 | Steve Lin | 57.15 | 9 | B Min | BB: 54.39 (+2.76s | 4.8%) | Unattached | 06/07/2024 | DeAnza Cupertino Aquatics LCM C/B/A+ Meet | |
| 126 | Ethan Qu | 57.40 | 8 | B Min | BB: 54.39 (+3.01s | 5.2%) | Santa Clara Swim Club | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 127 | George Yu | 57.41 | 9 | B Min | BB: 54.39 (+3.02s | 5.3%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 128 | Aurik Ghosh Moulick | 57.45 | 9 | B Min | BB: 54.39 (+3.06s | 5.3%) | Milpitas Aquatic Club | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 129 | Alex Sigmundson | 57.61 | 10 | B Min | BB: 54.39 (+3.22s | 5.6%) | Terrapins Swim Team | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 130 | James Liu | 57.65 | 9 | B Min | BB: 54.39 (+3.26s | 5.7%) | Quicksilver Swimming | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 131 | Yunus Mukhamadieva | 57.67 | 9 | B Min | BB: 54.39 (+3.28s | 5.7%) | Brentwood Seawolves | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 132 | Jon He | 57.76 | 9 | B Min | BB: 54.39 (+3.37s | 5.8%) | Milpitas Aquatic Club | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 133 | Aiden Hu | 57.98 | 9 | B Min | BB: 54.39 (+3.59s | 6.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 134 | Ryan Zhang | 58.01 | 9 | B Min | BB: 54.39 (+3.62s | 6.2%) | Palo Alto Stanford Aquatics | 06/23/2024 | 2024 PC ALTO Long Course CBA+ | |
| 135 | Elias Lien | 58.09 | 7 | B Min | BB: 54.39 (+3.70s | 6.4%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 136 | Daniel Nagaoka | 58.09 | 8 | B Min | BB: 54.39 (+3.70s | 6.4%) | Quicksilver Swimming | 06/25/2024 | 2024 QSS Intersquad | |
| 137 | Alex Warren Moy | 58.11 | 9 | B Min | BB: 54.39 (+3.72s | 6.4%) | Palo Alto Stanford Aquatics | 05/24/2025 | 2025 Mike Snyder Memorial | |
| 138 | Jonah Hoffman | 58.15 | 9 | B Min | BB: 54.39 (+3.76s | 6.5%) | Humboldt Swim Club | 05/17/2024 | SRN LCM C/B/A+ Meet | |
| 139 | Matthew Zhou | 58.25 | 9 | B Min | BB: 54.39 (+3.86s | 6.6%) | Quicksilver Swimming | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 140 | Aaron Li | 58.28 | 10 | B Min | BB: 54.39 (+3.89s | 6.7%) | Palo Alto Stanford Aquatics | 06/10/2023 | 2023 PC BAC Long Course CBA+ | |
| 141 | Deren Chai | 58.30 | 9 | B Min | BB: 54.39 (+3.91s | 6.7%) | Pleasanton Seahawks | 04/21/2024 | 2024 PC BSW Long Course C/B/BB+ | |
| 142 | Xavier Pok | 58.46 | 9 | B Min | BB: 54.39 (+4.07s | 7.0%) | Bulldog Swim Club | 04/27/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 143 | Samuel Sun | 58.49 | 9 | B Min | BB: 54.39 (+4.10s | 7.0%) | Alto Swim Club | 06/29/2024 | ALTO Summer Swelter LCM Invitational | |
| 144 | Jamie Pan | 58.53 | 9 | B Min | BB: 54.39 (+4.14s | 7.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 145 | Marek Perzov | 58.62 | 9 | B Min | BB: 54.39 (+4.23s | 7.2%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 146 | Owen Zhuang | 58.63 | 8 | B Min | BB: 54.39 (+4.24s | 7.2%) | Santa Clara Swim Club | 07/20/2024 | ALTO LCM Last Splash Invitational Meet | |
| 147 | Reza Afshar | 58.68 | 10 | B Min | BB: 54.39 (+4.29s | 7.3%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 148 | Ethan Liu | 58.75 | 9 | B Min | BB: 54.39 (+4.36s | 7.4%) | Milpitas Aquatic Club | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 149 | Daniel Reschke | 58.80 | 9 | B Min | BB: 54.39 (+4.41s | 7.5%) | Alto Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 150 | Tyler Siu | 58.85 | 9 | B Min | BB: 54.39 (+4.46s | 7.6%) | El Cerrito Gators | 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.