Pacific Swimming Boys 10 & under - 50 Y 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 | Khai Vo | 46.67 | 10 | BB Min | A: 42.09 (+4.58s | 9.8%) | Piedmont Swim Team | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 102 | August Jimenez | 46.73 | 9 | BB Min | A: 42.09 (+4.64s | 9.9%) | Ladera Oaks | 03/29/2024 | ALTO Rock the Blocks T/F Invitational | |
| 103 | Trevor Jan | 46.74 | 9 | BB Min | A: 42.09 (+4.65s | 9.9%) | Alto Swim Club | 02/24/2024 | Burlingame Aquatic Club C/B/A+ SCY Meet | |
| 104 | SJ Park | 46.80 | 10 | BB Min | A: 42.09 (+4.71s | 10.1%) | Santa Clara Swim Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | |
| 105 | Ozzy Su | 47.03 | 9 | BB Min | A: 42.09 (+4.94s | 10.5%) | Quicksilver Swimming | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 106 | Owen Brauneis | 47.04 | 10 | BB Min | A: 42.09 (+4.95s | 10.5%) | Sunnyvale Swim Club | 02/14/2025 | 33rd Annual Lost Dutchman Invitational | |
| 107 | Li Huang | 47.04 | 9 | BB Min | A: 42.09 (+4.95s | 10.5%) | Quicksilver Swimming | 12/08/2023 | SKA Winter Invite | |
| 108 | Asher Young | 47.06 | 9 | BB Min | A: 42.09 (+4.97s | 10.6%) | Terrapins Swim Team | 12/14/2024 | Richard Thornton Memorial Swim Meet (host: SRVA) | |
| 109 | Timothy Liu | 47.10 | 10 | BB Min | A: 42.09 (+5.01s | 10.6%) | California Dolphins Swim Team | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | |
| 110 | Jayden Zhu | 47.13 | 9 | BB Min | A: 42.09 (+5.04s | 10.7%) | Otter Swim Club | 01/11/2025 | South San Francisco New Year Splash C B A+ | |
| 111 | Zhouhan Yang | 47.17 | 9 | BB Min | A: 42.09 (+5.08s | 10.8%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 112 | Nicholas Liu | 47.18 | 8 | BB Min | A: 42.09 (+5.09s | 10.8%) | Alto Swim Club | 11/09/2024 | ALTO Swim Club SCY C/B/A+ Meet | |
| 113 | Teddy Nichols | 47.20 | 8 | BB Min | A: 42.09 (+5.11s | 10.8%) | Seals Aquatics | 10/05/2024 | VJO Sprint For the Gold Ticket | |
| 114 | Leo Ioffe | 47.22 | 9 | BB Min | A: 42.09 (+5.13s | 10.9%) | Santa Clara Swim Club | 06/14/2025 | SCSC Blue Gold Block Party Meet June | |
| 115 | Alan Li | 47.23 | 9 | BB Min | A: 42.09 (+5.14s | 10.9%) | Santa Clara Swim Club | 10/04/2024 | SCSC SCY CBA+ Meet | |
| 116 | Alexander Garcia | 47.23 | 10 | BB Min | A: 42.09 (+5.14s | 10.9%) | Albany Armada Aquatics | 07/18/2025 | 2025 Redwood Empire Swim League Championship | |
| 117 | Tavis Williams | 47.27 | 10 | BB Min | A: 42.09 (+5.18s | 11.0%) | Alto Swim Club | 11/23/2024 | ALTO Swim Club Fall Frolic Invitational Meet | |
| 118 | Daniel Platon | 47.28 | 9 | BB Min | A: 42.09 (+5.19s | 11.0%) | Alto Swim Club | 02/22/2025 | De Anza C B A+ | |
| 119 | Hunter Atkins | 47.28 | 9 | BB Min | A: 42.09 (+5.19s | 11.0%) | Palo Alto Stanford Aquatics | 01/25/2025 | Z1N SC Championship | |
| 120 | Steve Lin | 47.42 | 10 | BB Min | A: 42.09 (+5.33s | 11.2%) | Unattached | 11/09/2024 | ALTO Swim Club SCY C/B/A+ Meet | |
| 121 | Jonah Hoffman | 47.43 | 9 | BB Min | A: 42.09 (+5.34s | 11.3%) | Humboldt Swim Club | 11/23/2024 | MCSD SCY C/B/A+ Meet | |
| 122 | Xavier Pok | 47.48 | 9 | BB Min | A: 42.09 (+5.39s | 11.4%) | Bulldog Swim Club | 10/26/2024 | Burlingame Aquatic Club C/B/A+ SCY Meet | |
| 123 | Lucas Jiang | 47.55 | 8 | BB Min | A: 42.09 (+5.46s | 11.5%) | Santa Clara Swim Club | 02/08/2025 | Swim South Bay | |
| 124 | Oliver Zeng | 47.64 | 10 | BB Min | A: 42.09 (+5.55s | 11.6%) | Valley Splash | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | |
| 125 | Jason Korajkic | 47.65 | 10 | B: 43.49 (+4.16s | 8.7%) | Walnut Creek Aquabears | 03/23/2025 | DA WCAB Short Course Dual Meet | ||
| 126 | Stephen Zhang | 47.74 | 10 | B Min | BB: 47.69 (+0.05s | 0.1%) | Alto Swim Club | 01/11/2025 | Burlingame Aquatic Club C/B/A+ SCY Meet | |
| 127 | Joshua Miao | 47.81 | 9 | B Min | BB: 47.69 (+0.12s | 0.3%) | Quicksilver Swimming | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 128 | Nicholas Thach | 47.83 | 9 | B Min | BB: 47.69 (+0.14s | 0.3%) | Oakland Undercurrent Swim Team | 04/12/2025 | Sebastopol Sea Serpents April Fools CBA+ | |
| 129 | Emmett Adams | 47.85 | 9 | B Min | BB: 47.69 (+0.16s | 0.3%) | Reno Aquatic Club | 03/15/2025 | 2025 NNA Age Group Open | |
| 130 | Lucas Pan | 48.09 | 8 | B Min | BB: 47.69 (+0.40s | 0.8%) | Santa Clara Swim Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | |
| 131 | Will Dai | 48.10 | 10 | B Min | BB: 47.69 (+0.41s | 0.9%) | San Ramon Valley Aquatics | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | |
| 132 | Toby Wong | 48.12 | 10 | B Min | BB: 47.69 (+0.43s | 0.9%) | Quicksilver Swimming | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 133 | Atticus Walker | 48.14 | 10 | B Min | BB: 47.69 (+0.45s | 0.9%) | Palo Alto Stanford Aquatics | 12/21/2024 | PASA Winter Frolic T&F Intrasquad Championships | |
| 134 | Hayk Asatryan | 48.16 | 9 | B Min | BB: 47.69 (+0.47s | 1.0%) | Milpitas Aquatic Club | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 135 | Ethan Liu | 48.17 | 10 | B Min | BB: 47.69 (+0.48s | 1.0%) | Milpitas Aquatic Club | 09/14/2024 | Milpitas Aquatic Club SCY CBA+ Meet | |
| 136 | Kent Ma | 48.25 | 10 | B Min | BB: 47.69 (+0.56s | 1.2%) | Quicksilver Swimming | 11/09/2024 | Swim South Bay SCY Z1S Micro Meet | |
| 137 | Daniel Nagaoka | 48.33 | 9 | B Min | BB: 47.69 (+0.64s | 1.3%) | Quicksilver Swimming | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 138 | Allen Cao | 48.38 | 10 | B Min | BB: 47.69 (+0.69s | 1.4%) | Milpitas Aquatic Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | |
| 139 | Hei Chan | 48.39 | 9 | B Min | BB: 47.69 (+0.70s | 1.4%) | Alto Swim Club | 01/11/2025 | Burlingame Aquatic Club C/B/A+ SCY Meet | |
| 140 | Thomas Cooke | 48.39 | 7 | B Min | BB: 47.69 (+0.70s | 1.4%) | Aptos Cabrillo Swim Club | 11/15/2024 | Zone 1S Race to AGCs C/B/A+ Meet (hosts: MBSC, ACSC, GSMY) | |
| 141 | Lucas Pisoni | 48.41 | 9 | B Min | BB: 47.69 (+0.72s | 1.5%) | Neptune Swimming | 12/13/2024 | SRN Swim Like the Dickens C/B/A+ Meet | |
| 142 | Ryan Chen | 48.43 | 10 | B Min | BB: 47.69 (+0.74s | 1.5%) | DeAnza Cupertino Aquatics | 07/19/2025 | 2025 DACA SC CBA Meet | |
| 143 | Sawyer Thomas | 48.44 | 9 | B Min | BB: 47.69 (+0.75s | 1.5%) | North Bay Aquatics | 05/19/2024 | Montclair Swim Team Pentathlon | |
| 144 | Zackary Chuck | 48.55 | 9 | B Min | BB: 47.69 (+0.86s | 1.8%) | Boys & Girls Club of SF | 10/26/2024 | Burlingame Aquatic Club C/B/A+ SCY Meet | |
| 145 | Julian Yu | 48.65 | 8 | B Min | BB: 47.69 (+0.96s | 2.0%) | Alto Swim Club | 10/27/2023 | Sunnyvale Swim Club SCY C/B/A+ Meet | |
| 146 | Connor Dennis | 48.72 | 10 | B Min | BB: 47.69 (+1.03s | 2.1%) | Pacifica Sea Lions | 02/22/2025 | BAC C B A Meet | |
| 147 | Weston Jaegers | 48.74 | 9 | B Min | BB: 47.69 (+1.05s | 2.2%) | Mammoth Lakes Swim Team | 08/02/2024 | DDST High Country Championships | |
| 148 | Charlie Matella | 48.81 | 10 | B Min | BB: 47.69 (+1.12s | 2.3%) | Alameda Gators | 03/01/2025 | Pac Swim SC B BB+ Last Chance Hosted By TERA | |
| 149 | Sean Tseng | 48.85 | 10 | B Min | BB: 47.69 (+1.16s | 2.4%) | Santa Clara Swim Club | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 150 | Kai Kitamori | 48.86 | 9 | B Min | BB: 47.69 (+1.17s | 2.4%) | Easy Bay Bat Rays | 07/18/2025 | 2025 Redwood Empire Swim League Championship | |
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.