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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Mateo Sison | 50.97 | 9 | BB Min | A: 47.89 (+3.08s | 6.0%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 52 | Aaron Hung | 51.13 | 10 | BB Min | A: 47.89 (+3.24s | 6.3%) | Palo Alto Stanford Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 53 | Ethan Kang | 51.25 | 10 | BB Min | A: 47.89 (+3.36s | 6.6%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 54 | Leo Ferrante | 51.33 | 10 | BB Min | A: 47.89 (+3.44s | 6.7%) | Palo Alto Stanford Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 55 | Emmett Adams | 51.38 | 10 | BB Min | A: 47.89 (+3.49s | 6.8%) | Reno Aquatic Club | 06/20/2025 | Reno Aquatic Club Gamble | |
| 56 | Sebastian McNary | 51.39 | 9 | BB Min | A: 47.89 (+3.50s | 6.8%) | Tiger Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 57 | Aiden Kiatrungrit | 51.47 | 9 | BB Min | A: 47.89 (+3.58s | 7.0%) | South San Francisco Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 58 | Alexander Fang | 51.57 | 10 | BB Min | A: 47.89 (+3.68s | 7.1%) | Reno Aquatic Club | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | |
| 59 | Nolan Lu | 51.74 | 10 | BB Min | A: 47.89 (+3.85s | 7.4%) | DeAnza Cupertino Aquatics | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 60 | Adrian Tu | 51.83 | 10 | BB Min | A: 47.89 (+3.94s | 7.6%) | Walnut Creek Aquabears | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 61 | Nicoh Bocalan | 51.98 | 10 | BB Min | A: 47.89 (+4.09s | 7.9%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 62 | Jaxon Mendoza | 52.00 | 10 | BB Min | A: 47.89 (+4.11s | 7.9%) | San Benito Aquatics | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 63 | Finn Scott | 52.07 | 9 | BB Min | A: 47.89 (+4.18s | 8.0%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 64 | Arick Yuan | 52.09 | 9 | BB Min | A: 47.89 (+4.20s | 8.1%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 65 | Zhouhan Yang | 52.09 | 9 | BB Min | A: 47.89 (+4.20s | 8.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 66 | Keaton Poggetti | 52.28 | 10 | BB Min | A: 47.89 (+4.39s | 8.4%) | Highland Dolphins Aquatic Club | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 67 | Mateo Sison | 52.29 | 9 | BB Min | A: 47.89 (+4.40s | 8.4%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 68 | Paxton Ross-Givner | 52.31 | 10 | BB Min | A: 47.89 (+4.42s | 8.4%) | Mavericks | 06/06/2025 | BAC C B A Meet | |
| 69 | Daniel Platon | 52.34 | 10 | BB Min | A: 47.89 (+4.45s | 8.5%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 70 | Lucas Guo | 52.57 | 10 | BB Min | A: 47.89 (+4.68s | 8.9%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 71 | Jordan Dimaio | 52.77 | 10 | BB Min | A: 47.89 (+4.88s | 9.2%) | Otter Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 72 | Reagan Wilsey | 53.15 | 9 | BB Min | A: 47.89 (+5.26s | 9.9%) | Palo Alto Stanford Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 73 | Ethan Wang | 53.16 | 8 | BB Min | A: 47.89 (+5.27s | 9.9%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 74 | Ethan Wang | 53.28 | 10 | BB Min | A: 47.89 (+5.39s | 10.1%) | Sunnyvale Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 75 | Timothy Liu | 53.31 | 10 | BB Min | A: 47.89 (+5.42s | 10.2%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 76 | Aiden Tam | 53.32 | 10 | BB Min | A: 47.89 (+5.43s | 10.2%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 77 | Lyman Ung | 53.40 | 10 | BB Min | A: 47.89 (+5.51s | 10.3%) | El Cerrito Gators | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 78 | Tatsumasa Sekine | 53.42 | 8 | BB Min | A: 47.89 (+5.53s | 10.4%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 79 | Lucas Pan | 53.47 | 8 | BB Min | A: 47.89 (+5.58s | 10.4%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 80 | Juan Lopez | 53.52 | 10 | BB Min | A: 47.89 (+5.63s | 10.5%) | San Benito Aquatics | 06/20/2025 | Reno Aquatic Club Gamble | |
| 81 | Oliver Maa | 53.58 | 10 | BB Min | A: 47.89 (+5.69s | 10.6%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 82 | Kayden Masongsong | 53.67 | 9 | BB Min | A: 47.89 (+5.78s | 10.8%) | Terrapins Swim Team | 05/25/2024 | 2024 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 83 | Ahmet Okyay | 53.78 | 9 | BB Min | A: 47.89 (+5.89s | 11.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 84 | Chayton Zhou | 53.79 | 8 | BB Min | A: 47.89 (+5.90s | 11.0%) | Pleasanton Seahawks | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 85 | Hayk Asatryan | 53.80 | 9 | BB Min | A: 47.89 (+5.91s | 11.0%) | Milpitas Aquatic Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 86 | Liam Reyes | 53.85 | 9 | BB Min | A: 47.89 (+5.96s | 11.1%) | Unattached | 07/12/2025 | 2025 Silver State Championships | |
| 87 | Arthur Shackelton | 53.86 | 9 | BB Min | A: 47.89 (+5.97s | 11.1%) | Lakeridge Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 88 | Hei Chan | 53.98 | 9 | BB Min | A: 47.89 (+6.09s | 11.3%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 89 | 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 | |
| 90 | Jayden Zhu | 54.01 | 10 | BB Min | A: 47.89 (+6.12s | 11.3%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 91 | 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+ | |
| 92 | 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 | |
| 93 | Jack Swaffin-Smith | 54.14 | 10 | BB Min | A: 47.89 (+6.25s | 11.5%) | Unattached | 04/19/2025 | Alto Spring Jam Meet | |
| 94 | Ezz Abdelhadi | 54.15 | 8 | BB Min | A: 47.89 (+6.26s | 11.6%) | Burlingame Aquatics | 04/27/2024 | Alto Spring Jam | |
| 95 | 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 | |
| 96 | 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 | |
| 97 | 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 | |
| 98 | Jay Dai | 54.47 | 9 | B Min | BB: 54.39 (+0.08s | 0.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 99 | Louis Yu | 54.48 | 7 | B Min | BB: 54.39 (+0.09s | 0.2%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 100 | Ethan Gu | 54.52 | 9 | B Min | BB: 54.39 (+0.13s | 0.2%) | Burlingame Aquatics | 06/06/2025 | BAC C B A 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.