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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Emmett Adams | 41.50 | 10 | A Min | AA: 40.19 (+1.31s | 3.2%) | Reno Aquatic Club | 08/01/2025 | 2025 High Country Short Course Championship | |
| 52 | Aden Sun | 41.51 | 9 | A Min | AA: 40.19 (+1.32s | 3.2%) | Burlingame Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 53 | Nolan Lu | 41.61 | 10 | A Min | AA: 40.19 (+1.42s | 3.4%) | DeAnza Cupertino Aquatics | 12/06/2025 | Alto Dec 6 7 CBA | |
| 54 | Jason Yin | 41.70 | 9 | A Min | AA: 40.19 (+1.51s | 3.6%) | St. Lawrence Swim Team | 10/25/2025 | GGST Spooktacular 2025 | |
| 55 | Mateo Sison | 41.78 | 9 | A Min | AA: 40.19 (+1.59s | 3.8%) | San Ramon Valley Aquatics | 07/26/2025 | Zone 2 Summer Championships | |
| 56 | Aaron Hung | 41.84 | 10 | A Min | AA: 40.19 (+1.65s | 3.9%) | Palo Alto Stanford Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | |
| 57 | Veeraj Puri | 41.89 | 10 | A Min | AA: 40.19 (+1.70s | 4.1%) | Quicksilver Swimming | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 58 | Matthew Marquardt | 41.92 | 10 | A Min | AA: 40.19 (+1.73s | 4.1%) | Palo Alto Stanford Aquatics | 07/20/2025 | 2025 PASA Summer Palooza | |
| 59 | Zackary Chuck | 42.09 | 10 | BB Min | A: 42.09 (+0.00s | -0.0%) | Boys & Girls Club of SF | 10/11/2025 | SSF October Splash C B A+ Meet | |
| 60 | Alan Li | 42.24 | 10 | BB Min | A: 42.09 (+0.15s | 0.4%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 61 | Kaizen Toung | 42.24 | 9 | BB Min | A: 42.09 (+0.15s | 0.4%) | Orinda Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 62 | Peter Petkov | 42.26 | 9 | BB Min | A: 42.09 (+0.17s | 0.4%) | Triton Aquatics Club | 09/27/2025 | PC LAC C B BB | |
| 63 | Aiden Kiatrungrit | 42.43 | 10 | BB Min | A: 42.09 (+0.34s | 0.8%) | South San Francisco Aquatics | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 64 | William Power | 42.47 | 9 | BB Min | A: 42.09 (+0.38s | 0.9%) | Monterey Bay Swim Club | 07/18/2025 | CVAL | |
| 65 | Daniel Heilman | 42.49 | 10 | BB Min | A: 42.09 (+0.40s | 0.9%) | San Francisco Seals Swim Team | 11/08/2025 | TCA PC November SC C B A+ | |
| 66 | Leo Ferrante | 42.57 | 10 | BB Min | A: 42.09 (+0.48s | 1.1%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 67 | Jason Ye | 42.58 | 10 | BB Min | A: 42.09 (+0.49s | 1.2%) | Alto Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 68 | Lucas Pan | 42.66 | 8 | BB Min | A: 42.09 (+0.57s | 1.3%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 69 | Jeremy Zhao | 42.68 | 9 | BB Min | A: 42.09 (+0.59s | 1.4%) | Quicksilver Swimming | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 70 | Adrian Tu | 42.71 | 10 | BB Min | A: 42.09 (+0.62s | 1.5%) | Walnut Creek Aquabears | 12/12/2025 | Winter SC Age Group Championships | |
| 71 | Konnor Pham-Nguyen | 42.73 | 10 | BB Min | A: 42.09 (+0.64s | 1.5%) | Alameda Gators | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | |
| 72 | Alexander Fang | 42.74 | 10 | BB Min | A: 42.09 (+0.65s | 1.5%) | Reno Aquatic Club | 09/12/2025 | Molly Lahlum Memorial Autumn Freeze | |
| 73 | Ishaan Karunanayake | 42.85 | 9 | BB Min | A: 42.09 (+0.76s | 1.8%) | Alto Swim Club | 11/09/2024 | Alto Go The Distance | |
| 74 | Ryan Chen | 42.95 | 10 | BB Min | A: 42.09 (+0.86s | 2.0%) | DeAnza Cupertino Aquatics | 12/06/2025 | Alto Dec 6 7 CBA | |
| 75 | Luke Xu | 43.01 | 10 | BB Min | A: 42.09 (+0.92s | 2.1%) | California Dolphins Swim Team | 09/27/2025 | PC LAC C B BB | |
| 76 | Charlie Seipel | 43.04 | 10 | BB Min | A: 42.09 (+0.95s | 2.2%) | Terrapins Swim Team | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | |
| 77 | Ethan Wang | 43.07 | 10 | BB Min | A: 42.09 (+0.98s | 2.3%) | Sunnyvale Swim Club | 10/25/2025 | 2025 SUNN Fall Classic | |
| 78 | Adi Bisht | 43.10 | 10 | BB Min | A: 42.09 (+1.01s | 2.3%) | Valley Splash | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 79 | Finlay Nelson | 43.28 | 10 | BB Min | A: 42.09 (+1.19s | 2.7%) | AC Swim Club | 09/27/2025 | Neptune Swimming Fall Classic | |
| 80 | Erik Eddy | 43.30 | 10 | BB Min | A: 42.09 (+1.21s | 2.8%) | East Bay Silver Dolphins | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 81 | Shunsuke Suzuki | 43.41 | 9 | BB Min | A: 42.09 (+1.32s | 3.0%) | Palo Alto Stanford Aquatics | 03/22/2025 | 2025 Los Altos Mountain View SC CBA Meet | |
| 82 | Lucas Pisoni | 43.51 | 10 | BB Min | A: 42.09 (+1.42s | 3.3%) | Neptune Swimming | 09/27/2025 | Neptune Swimming Fall Classic | |
| 83 | Flynn Chen | 43.56 | 9 | BB Min | A: 42.09 (+1.47s | 3.4%) | DeAnza Cupertino Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 84 | Atticus Walker | 43.70 | 10 | BB Min | A: 42.09 (+1.61s | 3.7%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 85 | Jood Abu Raya | 43.79 | 10 | BB Min | A: 42.09 (+1.70s | 3.9%) | Daly City Dolphins | 01/25/2025 | Z1N SC Championship | |
| 86 | Aaron Kuusela | 43.79 | 10 | BB Min | A: 42.09 (+1.70s | 3.9%) | Alto Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 87 | Lucas Jiang | 43.84 | 9 | BB Min | A: 42.09 (+1.75s | 4.0%) | Santa Clara Swim Club | 09/27/2025 | 2025 MAC Season Kick Off | |
| 88 | Charles Liu Bates | 43.87 | 9 | BB Min | A: 42.09 (+1.78s | 4.1%) | Unattached | 09/14/2024 | East Bay Silver Dolphins Short Course C B BB+ | |
| 89 | Aiden Ding | 43.99 | 10 | BB Min | A: 42.09 (+1.90s | 4.3%) | Santa Clara Swim Club | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 90 | Arthur Shackelton | 44.00 | 9 | BB Min | A: 42.09 (+1.91s | 4.3%) | Lakeridge Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 91 | Phinnaeus Johnson | 44.10 | 9 | BB Min | A: 42.09 (+2.01s | 4.6%) | Unattached | 10/25/2025 | GGST Spooktacular 2025 | |
| 92 | Asher Young | 44.12 | 9 | BB Min | A: 42.09 (+2.03s | 4.6%) | Terrapins Swim Team | 07/26/2025 | Zone 2 Summer Championships | |
| 93 | Hei Chan | 44.13 | 10 | BB Min | A: 42.09 (+2.04s | 4.6%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 94 | Ethan Wang | 44.15 | 8 | BB Min | A: 42.09 (+2.06s | 4.7%) | Alto Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 95 | Ethan Zhu | 44.19 | 10 | BB Min | A: 42.09 (+2.10s | 4.8%) | DeAnza Cupertino Aquatics | 12/06/2025 | Alto Dec 6 7 CBA | |
| 96 | Teddy Nichols | 44.22 | 9 | BB Min | A: 42.09 (+2.13s | 4.8%) | Seals Aquatics | 11/08/2025 | TCA PC November SC C B A+ | |
| 97 | Paxton Ross-Givner | 44.30 | 10 | BB Min | A: 42.09 (+2.21s | 5.0%) | Mavericks | 10/11/2025 | SSF October Splash C B A+ Meet | |
| 98 | Brayden Yan | 44.37 | 10 | BB Min | A: 42.09 (+2.28s | 5.1%) | Palo Alto Stanford Aquatics | 02/22/2025 | 2025 Tri Venue Last Chance Meet PASA | |
| 99 | Ryan Han | 44.41 | 10 | BB Min | A: 42.09 (+2.32s | 5.2%) | Quicksilver Swimming | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 100 | Arthur Chen | 44.42 | 10 | BB Min | A: 42.09 (+2.33s | 5.2%) | Alto Swim Club | 02/22/2025 | De Anza C B A+ | |
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.