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 | Jozua Sugianto | 41.32 | 9 | A Min | AA: 40.19 (+1.13s | 2.7%) | Unattached | 09/13/2025 | East Bay Silver Dolphins Short Course C B BB+ | |
| 52 | Ethan Qu | 41.40 | 9 | A Min | AA: 40.19 (+1.21s | 2.9%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | |
| 53 | Adam Li | 41.42 | 10 | A Min | AA: 40.19 (+1.23s | 3.0%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | |
| 54 | Bosco Sung | 41.48 | 13 | A Min | AA: 40.19 (+1.29s | 3.1%) | Soda Fall | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 55 | 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 | |
| 56 | Benjamin Shen | 41.59 | 10 | A Min | AA: 40.19 (+1.40s | 3.4%) | Orinda Aquatics | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | |
| 57 | Jason Yin | 41.70 | 9 | A Min | AA: 40.19 (+1.51s | 3.6%) | St. Lawrence Swim Team | 10/25/2025 | GGST Spooktacular 2025 | |
| 58 | Gavin Allen | 41.70 | 10 | A Min | AA: 40.19 (+1.51s | 3.6%) | Meadow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 59 | Oscar Holler | 41.77 | 10 | A Min | AA: 40.19 (+1.58s | 3.8%) | Milpitas Aquatic Club | 09/27/2025 | 2025 MAC Season Kick Off | |
| 60 | 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 | |
| 61 | 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 | |
| 62 | 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 | |
| 63 | Billy Cunnane | 41.99 | 10 | A Min | AA: 40.19 (+1.80s | 4.3%) | Moraga Country Club | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 64 | 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 | |
| 65 | 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 | |
| 66 | William Power | 42.47 | 9 | BB Min | A: 42.09 (+0.38s | 0.9%) | Monterey Bay Swim Club | 07/18/2025 | CVAL | |
| 67 | Luca Tutill | 42.51 | 9 | BB Min | A: 42.09 (+0.42s | 1.0%) | Sleepy Hollow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 68 | 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 | |
| 69 | Arick Yuan | 42.60 | 9 | BB Min | A: 42.09 (+0.51s | 1.2%) | Santa Clara Swim Club | 09/27/2025 | 2025 MAC Season Kick Off | |
| 70 | 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 | |
| 71 | 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 | |
| 72 | Adrian Tu | 42.83 | 10 | BB Min | A: 42.09 (+0.74s | 1.7%) | Walnut Creek Aquabears | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | |
| 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 | Tavis Williams | 43.00 | 10 | BB Min | A: 42.09 (+0.91s | 2.1%) | Alto Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 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 | Ethan Kang | 43.02 | 10 | BB Min | A: 42.09 (+0.93s | 2.2%) | Santa Clara Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 77 | 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 | |
| 78 | Lucas Pan | 43.09 | 8 | BB Min | A: 42.09 (+1.00s | 2.3%) | Santa Clara Swim Club | 09/27/2025 | 2025 MAC Season Kick Off | |
| 79 | Peter Scott | 43.13 | 10 | BB Min | A: 42.09 (+1.04s | 2.4%) | Sleepy Hollow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 80 | Aden Sun | 43.16 | 9 | BB Min | A: 42.09 (+1.07s | 2.5%) | Burlingame Aquatics | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 81 | Leo Ferrante | 43.19 | 10 | BB Min | A: 42.09 (+1.10s | 2.5%) | Palo Alto Stanford Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | |
| 82 | Finlay Nelson | 43.28 | 10 | BB Min | A: 42.09 (+1.19s | 2.7%) | AC Swim Club | 09/27/2025 | Neptune Swimming Fall Classic | |
| 83 | 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 | |
| 84 | Alan Li | 43.32 | 10 | BB Min | A: 42.09 (+1.23s | 2.8%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | |
| 85 | 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 | |
| 86 | Miro Wang | 43.42 | 9 | BB Min | A: 42.09 (+1.33s | 3.1%) | Santa Clara Swim Club | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 87 | Lucas Pisoni | 43.51 | 10 | BB Min | A: 42.09 (+1.42s | 3.3%) | Neptune Swimming | 09/27/2025 | Neptune Swimming Fall Classic | |
| 88 | Kaizen Toung | 43.56 | 9 | BB Min | A: 42.09 (+1.47s | 3.4%) | Orinda Aquatics | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 89 | Adi Bisht | 43.58 | 10 | BB Min | A: 42.09 (+1.49s | 3.4%) | Valley Splash | 10/25/2025 | GGST Spooktacular 2025 | |
| 90 | Jeremy Zhao | 43.66 | 9 | BB Min | A: 42.09 (+1.57s | 3.6%) | Quicksilver Swimming | 10/25/2025 | GGST Spooktacular 2025 | |
| 91 | 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 | |
| 92 | Jood Abu Raya | 43.79 | 10 | BB Min | A: 42.09 (+1.70s | 3.9%) | Daly City Dolphins | 01/25/2025 | Z1N SC Championship | |
| 93 | Nolan Lu | 43.82 | 9 | BB Min | A: 42.09 (+1.73s | 3.9%) | DeAnza Cupertino Aquatics | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 94 | 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 | |
| 95 | Aiden Kiatrungrit | 43.86 | 9 | BB Min | A: 42.09 (+1.77s | 4.0%) | South San Francisco Aquatics | 10/11/2025 | SSF October Splash C B A+ Meet | |
| 96 | 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+ | |
| 97 | Yufan Yao | 43.94 | 10 | BB Min | A: 42.09 (+1.85s | 4.2%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 98 | 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 | |
| 99 | 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 | |
| 100 | Daniel Heilman | 44.01 | 9 | BB Min | A: 42.09 (+1.92s | 4.4%) | Pacific Swimming Zone | 05/18/2025 | 2025 Pacific Swimming Zone All Star 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.