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 | 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 | |
| 102 | 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 | |
| 103 | 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 | |
| 104 | Luke Cheng | 49.45 | 9 | B Min | BB: 49.29 (+0.16s | 0.3%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 105 | George Yu | 49.49 | 9 | B Min | BB: 49.29 (+0.20s | 0.4%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 106 | Ryan Han | 49.51 | 9 | B Min | BB: 49.29 (+0.22s | 0.4%) | Quicksilver Swimming | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 107 | Thys Van Der Meer | 49.53 | 8 | B Min | BB: 49.29 (+0.24s | 0.5%) | Aptos Cabrillo Swim Club | 06/24/2023 | SBA C/B/A+ LCM Meet | |
| 108 | Sean Jiang | 49.77 | 10 | B Min | BB: 49.29 (+0.48s | 1.0%) | South San Francisco Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 109 | Tyler Swearingen | 49.78 | 10 | B Min | BB: 49.29 (+0.49s | 1.0%) | Hills Hurricane Swimming | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 110 | Elijah Meng | 49.90 | 10 | B Min | BB: 49.29 (+0.61s | 1.2%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 111 | Jaxon Mendoza | 49.97 | 9 | B Min | BB: 49.29 (+0.68s | 1.4%) | San Benito Aquatics | 05/18/2024 | San Benito Aquatics LCM C/B/A+ Meet | |
| 112 | Yuke Chen | 49.98 | 9 | B Min | BB: 49.29 (+0.69s | 1.4%) | DeAnza Cupertino Aquatics | 05/17/2024 | DACA LCM Intrasquad Meet | |
| 113 | Oscar Holler | 50.05 | 9 | B Min | BB: 49.29 (+0.76s | 1.5%) | Milpitas Aquatic Club | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 114 | Jay Andresen | 50.17 | 9 | B Min | BB: 49.29 (+0.88s | 1.8%) | Lakeridge Swim Team | 05/24/2024 | Intermountain Classic Age Group Open (host: CARS) | |
| 115 | Matthew Zhou | 50.21 | 9 | B Min | BB: 49.29 (+0.92s | 1.8%) | Quicksilver Swimming | 06/12/2024 | Quicksilver LCM Micro Meet - SJ1 Summer League | |
| 116 | Alan Hua | 50.23 | 10 | B Min | BB: 49.29 (+0.94s | 1.9%) | Milpitas Aquatic Club | 07/20/2024 | ALTO LCM Last Splash Invitational Meet | |
| 117 | Johnathan Wang | 50.33 | 8 | B Min | BB: 49.29 (+1.04s | 2.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 118 | Phil Yun | 50.34 | 9 | B Min | BB: 49.29 (+1.05s | 2.1%) | Alto Swim Club | 06/29/2024 | ALTO Summer Swelter LCM Invitational | |
| 119 | Lucas Ng | 50.35 | 10 | B Min | BB: 49.29 (+1.06s | 2.1%) | Milpitas Aquatic Club | 06/28/2024 | Valley Splash LCM C/B/A+ Meet | |
| 120 | Nicoh Bocalan | 50.40 | 10 | B Min | BB: 49.29 (+1.11s | 2.2%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 121 | Pierce Lee | 50.56 | 9 | B Min | BB: 49.29 (+1.27s | 2.5%) | Burlingame Aquatics | 06/07/2024 | Burlingame Aquatic Club C/B/A+ LCM Meet | |
| 122 | Amar Alwattar | 50.64 | 8 | B Min | BB: 49.29 (+1.35s | 2.7%) | Montclair Swim Team | 06/08/2024 | Orinda Aquatics LCM C/B/BB+ Meet | |
| 123 | Danny Zhang | 50.90 | 9 | B Min | BB: 49.29 (+1.61s | 3.2%) | Quicksilver Swimming | 06/12/2024 | Quicksilver LCM Micro Meet - SJ1 Summer League | |
| 124 | Pace Bui | 51.06 | 8 | B Min | BB: 49.29 (+1.77s | 3.5%) | Sfrp Rossi Swim Team | 05/17/2024 | SRN LCM C/B/A+ Meet | |
| 125 | Leo Chen | 51.07 | 9 | B Min | BB: 49.29 (+1.78s | 3.5%) | Quicksilver Swimming | 07/19/2024 | 2024 QSS End of Summer Season Meet | |
| 126 | Aiden Kiatrungrit | 51.10 | 9 | B Min | BB: 49.29 (+1.81s | 3.5%) | South San Francisco Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 127 | Cyrus Yang | 51.11 | 8 | B Min | BB: 49.29 (+1.82s | 3.6%) | Quicksilver Swimming | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 128 | Leo Zeng | 51.18 | 9 | B Min | BB: 49.29 (+1.89s | 3.7%) | Santa Clara Swim Club | 05/25/2024 | SCSC LCM Intrasquad Meet | |
| 129 | Justin Ortiz | 51.20 | 9 | B Min | BB: 49.29 (+1.91s | 3.7%) | San Benito Aquatics | 06/28/2024 | Valley Splash LCM C/B/A+ Meet | |
| 130 | Jonah Hoffman | 51.21 | 9 | B Min | BB: 49.29 (+1.92s | 3.7%) | Humboldt Swim Club | 05/17/2024 | SRN LCM C/B/A+ Meet | |
| 131 | Arick Yuan | 51.33 | 9 | B Min | BB: 49.29 (+2.04s | 4.0%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 132 | Ahmet Okyay | 51.36 | 9 | B Min | BB: 49.29 (+2.07s | 4.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 133 | Allen Cao | 51.48 | 9 | B Min | BB: 49.29 (+2.19s | 4.3%) | Milpitas Aquatic Club | 04/27/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 134 | Jacob Chen | 51.48 | 8 | B Min | BB: 49.29 (+2.19s | 4.3%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 135 | Lloyd Chang | 51.59 | 9 | B Min | BB: 49.29 (+2.30s | 4.5%) | Milpitas Aquatic Club | 06/22/2024 | ALTO Swim Club LCM C/B/A+ Meet | |
| 136 | Ilan Rattner | 51.61 | 7 | B Min | BB: 49.29 (+2.32s | 4.5%) | Sunnyvale Swim Club | 05/18/2024 | PASA Zone 1N LCM C/B/A+ Meet | |
| 137 | Barrett Buffington | 51.62 | 9 | B Min | BB: 49.29 (+2.33s | 4.5%) | Northern Nevada Aquatics | 05/24/2024 | Intermountain Classic Age Group Open (host: CARS) | |
| 138 | Seoyul Moon | 51.68 | 10 | B Min | BB: 49.29 (+2.39s | 4.6%) | Pleasanton Seahawks | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 139 | Finn Scott | 51.73 | 9 | B Min | BB: 49.29 (+2.44s | 4.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 140 | Roman Tsikalov | 51.73 | 9 | B Min | BB: 49.29 (+2.44s | 4.7%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 141 | Westley Fattarsi | 51.77 | 10 | B Min | BB: 49.29 (+2.48s | 4.8%) | Tiger Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 142 | Veeraj Puri | 51.79 | 9 | B Min | BB: 49.29 (+2.50s | 4.8%) | Quicksilver Swimming | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 143 | Tobin Reynolds | 51.92 | 9 | B Min | BB: 49.29 (+2.63s | 5.1%) | AC Swim Club | 05/17/2024 | SRN LCM C/B/A+ Meet | |
| 144 | Owen Brauneis | 51.96 | 9 | B Min | BB: 49.29 (+2.67s | 5.1%) | Sunnyvale Swim Club | 06/07/2024 | DeAnza Cupertino Aquatics LCM C/B/A+ Meet | |
| 145 | Jeffrey Crouse | 52.08 | 9 | B Min | BB: 49.29 (+2.79s | 5.4%) | Livermore AquaCowboys | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 146 | Aurik Ghosh Moulick | 52.09 | 8 | B Min | BB: 49.29 (+2.80s | 5.4%) | Milpitas Aquatic Club | 05/17/2024 | Quicksilver Swimming LCM C/B/A+ Meet | |
| 147 | Kai Chen | 52.21 | 9 | B Min | BB: 49.29 (+2.92s | 5.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 148 | Mattias Baratta | 52.22 | 9 | B Min | BB: 49.29 (+2.93s | 5.6%) | Quicksilver Swimming | 06/25/2024 | 2024 QSS Intersquad | |
| 149 | Mason Cao | 52.23 | 9 | B Min | BB: 49.29 (+2.94s | 5.6%) | Quicksilver Swimming | 06/28/2024 | Valley Splash LCM C/B/A+ Meet | |
| 150 | Leo Ferrante | 52.25 | 9 | B Min | BB: 49.29 (+2.96s | 5.7%) | Palo Alto Stanford Aquatics | 06/07/2024 | Burlingame Aquatic Club C/B/A+ LCM 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.