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 | Tavis Williams | 53.90 | 10 | BB Min | A: 47.89 (+6.01s | 11.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 102 | Hei Chan | 53.98 | 9 | BB Min | A: 47.89 (+6.09s | 11.3%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 103 | Finlay Nelson | 53.99 | 10 | BB Min | A: 47.89 (+6.10s | 11.3%) | AC Swim Club | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 104 | Jayden Zhu | 54.01 | 10 | BB Min | A: 47.89 (+6.12s | 11.3%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 105 | Neo Perera | 54.06 | 9 | BB Min | A: 47.89 (+6.17s | 11.4%) | Los Altos Mountain View Aquati | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 106 | Muyang He | 54.08 | 9 | BB Min | A: 47.89 (+6.19s | 11.4%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 107 | Jack Swaffin-Smith | 54.14 | 10 | BB Min | A: 47.89 (+6.25s | 11.5%) | Unattached | 04/19/2025 | Alto Spring Jam Meet | |
| 108 | Ezz Abdelhadi | 54.15 | 8 | BB Min | A: 47.89 (+6.26s | 11.6%) | Burlingame Aquatics | 04/27/2024 | Alto Spring Jam | |
| 109 | Lucas Pisoni | 54.21 | 10 | BB Min | A: 47.89 (+6.32s | 11.7%) | Neptune Swimming | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 110 | Wesley Zhang | 54.23 | 9 | BB Min | A: 47.89 (+6.34s | 11.7%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 111 | Deren Chai | 54.42 | 10 | B Min | BB: 54.39 (+0.03s | 0.1%) | Pleasanton Seahawks | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 112 | Jay Dai | 54.47 | 9 | B Min | BB: 54.39 (+0.08s | 0.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 113 | Louis Yu | 54.48 | 7 | B Min | BB: 54.39 (+0.09s | 0.2%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 114 | Ethan Gu | 54.52 | 9 | B Min | BB: 54.39 (+0.13s | 0.2%) | Burlingame Aquatics | 06/06/2025 | BAC C B A Meet | |
| 115 | Fedor Evstigneev | 54.54 | 8 | B Min | BB: 54.39 (+0.15s | 0.3%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 116 | Orion Blue-Smith | 54.57 | 9 | B Min | BB: 54.39 (+0.18s | 0.3%) | Palo Alto Stanford Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 117 | Logan Laohavanich | 54.63 | 10 | B Min | BB: 54.39 (+0.24s | 0.4%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 118 | Robert Kolesnik | 54.65 | 9 | B Min | BB: 54.39 (+0.26s | 0.5%) | Bulldog Swim Club | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 119 | Riaan Chandak | 54.67 | 9 | B Min | BB: 54.39 (+0.28s | 0.5%) | Milpitas Aquatic Club | 06/27/2025 | Valley Splash | |
| 120 | Luke Chai | 54.69 | 8 | B Min | BB: 54.39 (+0.30s | 0.5%) | Pleasanton Seahawks | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 121 | Hunter Atkins | 54.71 | 9 | B Min | BB: 54.39 (+0.32s | 0.6%) | Palo Alto Stanford Aquatics | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 122 | John Telischak | 54.72 | 10 | B Min | BB: 54.39 (+0.33s | 0.6%) | Palo Alto Stanford Aquatics | 06/06/2025 | BAC C B A Meet | |
| 123 | Joao Barretto | 54.80 | 8 | B Min | BB: 54.39 (+0.41s | 0.7%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 124 | Penghao Yu | 54.80 | 9 | B Min | BB: 54.39 (+0.41s | 0.7%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 125 | Westley Fattarsi | 54.88 | 10 | B Min | BB: 54.39 (+0.49s | 0.9%) | Tiger Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 126 | Leo Zeng | 54.95 | 9 | B Min | BB: 54.39 (+0.56s | 1.0%) | Santa Clara Swim Club | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | |
| 127 | Daniel Reschke | 55.07 | 9 | B Min | BB: 54.39 (+0.68s | 1.2%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 128 | Eli Shapiro | 55.12 | 8 | B Min | BB: 54.39 (+0.73s | 1.3%) | Lakeridge Swim Team | 05/26/2023 | 2023 Intermountain Classic | |
| 129 | Adam Ma | 55.29 | 9 | B Min | BB: 54.39 (+0.90s | 1.6%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 130 | Owen Zhuang | 55.36 | 9 | B Min | BB: 54.39 (+0.97s | 1.8%) | DeAnza Cupertino Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 131 | Darian Caprita | 55.36 | 10 | B Min | BB: 54.39 (+0.97s | 1.8%) | Palo Alto Stanford Aquatics | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 132 | Charlie Matella | 55.42 | 9 | B Min | BB: 54.39 (+1.03s | 1.9%) | Alameda Gators | 06/08/2024 | Orinda Aquatics LC C B BB+ Meet | |
| 133 | Sean Tseng | 55.43 | 10 | B Min | BB: 54.39 (+1.04s | 1.9%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 134 | Artyom Smirnoff | 55.45 | 10 | B Min | BB: 54.39 (+1.06s | 1.9%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 135 | Solomon Fox | 55.54 | 7 | B Min | BB: 54.39 (+1.15s | 2.1%) | Burlingame Aquatics | 06/09/2023 | Burlingame Aquatic Club Long Course CBA | |
| 136 | Lincoln Matthews | 55.54 | 10 | B Min | BB: 54.39 (+1.15s | 2.1%) | North Bay Aquatics | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 137 | Alex Zhong | 55.70 | 7 | B Min | BB: 54.39 (+1.31s | 2.4%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 138 | 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 | |
| 139 | Owen Werres | 55.83 | 10 | B Min | BB: 54.39 (+1.44s | 2.6%) | The Olympic Club | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 140 | Johnathan Wang | 55.87 | 8 | B Min | BB: 54.39 (+1.48s | 2.6%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 141 | Ethan Valdez | 55.88 | 9 | B Min | BB: 54.39 (+1.49s | 2.7%) | Bay Club Panthers | 06/29/2024 | DACA LC C B A+ Meet | |
| 142 | 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 | |
| 143 | Chior Prange | 55.93 | 10 | B Min | BB: 54.39 (+1.54s | 2.8%) | Bishop Swim Team | 07/12/2025 | 2025 Silver State Championships | |
| 144 | Aiden Chiang | 55.94 | 10 | B Min | BB: 54.39 (+1.55s | 2.8%) | DeAnza Cupertino Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 145 | Flynn Chen | 55.94 | 8 | B Min | BB: 54.39 (+1.55s | 2.8%) | DeAnza Cupertino Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 146 | Isaiah Fadillah | 55.96 | 9 | B Min | BB: 54.39 (+1.57s | 2.8%) | California Dolphins Swim Team | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 147 | 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 | |
| 148 | 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 | |
| 149 | Reza Afshar | 56.06 | 10 | B Min | BB: 54.39 (+1.67s | 3.0%) | Burlingame Aquatics | 06/06/2025 | BAC C B A Meet | |
| 150 | Ethan Leng | 56.14 | 10 | B Min | BB: 54.39 (+1.75s | 3.1%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ 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.