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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cavin Spruiell | 28.54 | 16 | AAAA Min | Walnut Creek Aquabears | 12/05/2025 | PC SC Senior Open PF | ||
| 2 | Ethan Locke | 35.36 | 10 | AAAA Min | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | ||
| 3 | Sebastian Guevara | 35.41 | 10 | AAAA Min | Alto Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 4 | Stephen Huang | 35.57 | 10 | AAAA Min | DeAnza Cupertino Aquatics | 10/25/2025 | 2025 SUNN Fall Classic | ||
| 5 | Robert Legg | 36.38 | 9 | AAAA Min | Pleasanton Seahawks | 01/10/2026 | Pleasanton Seahawks SCY C B BB+ Meet | ||
| 6 | Albert Xiao | 36.41 | 10 | AAA Min | AAAA: 36.39 (+0.02s | 0.1%) | Santa Clara Swim Club | 12/12/2025 | Winter SC Age Group Championships | |
| 7 | Rubix Szolusha | 36.58 | 9 | AAA Min | AAAA: 36.39 (+0.19s | 0.5%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | |
| 8 | Lucas Jiang | 36.98 | 10 | AAA Min | AAAA: 36.39 (+0.59s | 1.6%) | Quicksilver Swimming | 04/03/2025 | Pacific Swimming SC Far Western Champs | |
| 9 | Aurelius Lien | 37.06 | 9 | AAA Min | AAAA: 36.39 (+0.67s | 1.8%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 10 | Marco Sun | 37.71 | 10 | AAA Min | AAAA: 36.39 (+1.32s | 3.5%) | Pleasanton Seahawks | 01/10/2026 | Pleasanton Seahawks SCY C B BB+ Meet | |
| 11 | Robert Obermeyer | 37.77 | 10 | AAA Min | AAAA: 36.39 (+1.38s | 3.7%) | Piedmont Swim Team | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 12 | Pace Bui | 37.83 | 10 | AAA Min | AAAA: 36.39 (+1.44s | 3.8%) | Fog City Hammerheads | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | |
| 13 | Keaton Weathers | 38.04 | 10 | AAA Min | AAAA: 36.39 (+1.65s | 4.3%) | Walnut Creek Aquabears | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 14 | Layth Alkhairo | 38.12 | 14 | AAA Min | AAAA: 36.39 (+1.73s | 4.5%) | Reno Aquatic Club | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 15 | Jozua Sugianto | 38.29 | 10 | AAA Min | AAAA: 36.39 (+1.90s | 5.0%) | California Dolphins Swim Team | 12/12/2025 | Winter SC Age Group Championships | |
| 16 | Kevin Zou | 38.50 | 9 | AA Min | AAA: 38.29 (+0.21s | 0.5%) | Alto Swim Club | 04/03/2025 | Pacific Swimming SC Far Western Champs | |
| 17 | Cameron Boitano | 38.71 | 9 | AA Min | AAA: 38.29 (+0.42s | 1.1%) | Pleasanton Seahawks | 12/12/2025 | Winter SC Age Group Championships | |
| 18 | Ryan Latronica | 38.78 | 9 | AA Min | AAA: 38.29 (+0.49s | 1.3%) | Hills Hurricane Swimming | 07/18/2025 | 2025 Redwood Empire Swim League Championship | |
| 19 | Charles Liu Bates | 38.78 | 10 | AA Min | AAA: 38.29 (+0.49s | 1.3%) | Unattached | 09/13/2025 | East Bay Silver Dolphins Short Course C B BB+ | |
| 20 | Demian Jarmy | 38.81 | 10 | AA Min | AAA: 38.29 (+0.52s | 1.3%) | Pleasanton Seahawks | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 21 | Lucas Guo | 38.83 | 10 | AA Min | AAA: 38.29 (+0.54s | 1.4%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 22 | Martin Decotigny | 39.04 | 10 | AA Min | AAA: 38.29 (+0.75s | 1.9%) | Alto Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 23 | Jay Andresen | 39.12 | 10 | AA Min | AAA: 38.29 (+0.83s | 2.1%) | Lakeridge Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 24 | Jia Wei | 39.33 | 10 | AA Min | AAA: 38.29 (+1.04s | 2.6%) | Alto Swim Club | 04/03/2025 | Pacific Swimming SC Far Western Champs | |
| 25 | Zachary Everett | 39.35 | 10 | AA Min | AAA: 38.29 (+1.06s | 2.7%) | Seals Aquatics | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 26 | Emmett Chen | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | San Ramon Valley Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 27 | Alexander Kovnatsky | 39.48 | 9 | AA Min | AAA: 38.29 (+1.19s | 3.0%) | Orinda Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 28 | Maxwell Tam | 39.51 | 10 | AA Min | AAA: 38.29 (+1.22s | 3.1%) | Burlingame Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 29 | Aden Sun | 39.61 | 10 | AA Min | AAA: 38.29 (+1.32s | 3.3%) | Burlingame Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 30 | Miro Wang | 39.71 | 10 | AA Min | AAA: 38.29 (+1.42s | 3.6%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 31 | Kota Whitman | 39.82 | 10 | AA Min | AAA: 38.29 (+1.53s | 3.8%) | North Bay Aquatics | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 32 | Nicholas Liu | 40.27 | 9 | A Min | AA: 40.19 (+0.08s | 0.2%) | Alto Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 33 | Benjamin Shen | 40.36 | 10 | A Min | AA: 40.19 (+0.17s | 0.4%) | Orinda Aquatics | 12/12/2025 | Winter SC Age Group Championships | |
| 34 | Shunsuke Suzuki | 40.38 | 10 | A Min | AA: 40.19 (+0.19s | 0.5%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 35 | Ethan Qu | 40.45 | 10 | A Min | AA: 40.19 (+0.26s | 0.6%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 36 | Brett Baker | 40.51 | 10 | A Min | AA: 40.19 (+0.32s | 0.8%) | Burlingame Aquatics | 01/10/2026 | BAC Norman Cutler Memorial | |
| 37 | Jason Yin | 40.52 | 9 | A Min | AA: 40.19 (+0.33s | 0.8%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 38 | Joji Kinebuchi | 40.57 | 10 | A Min | AA: 40.19 (+0.38s | 0.9%) | Fog City Hammerheads | 10/11/2025 | SSF October Splash C B A+ Meet | |
| 39 | Leo Ferrante | 40.60 | 10 | A Min | AA: 40.19 (+0.41s | 1.0%) | Unattached | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 40 | Gavin Fobian | 40.63 | 12 | A Min | AA: 40.19 (+0.44s | 1.1%) | Alameda Gators | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | |
| 41 | Oscar Holler | 40.69 | 10 | A Min | AA: 40.19 (+0.50s | 1.2%) | Milpitas Aquatic Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 42 | Eli Shapiro | 40.72 | 10 | A Min | AA: 40.19 (+0.53s | 1.3%) | Lakeridge Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 43 | Emmett Adams | 40.78 | 10 | A Min | AA: 40.19 (+0.59s | 1.4%) | Reno Aquatic Club | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 44 | Ezz Abdelhadi | 40.83 | 10 | A Min | AA: 40.19 (+0.64s | 1.6%) | Palo Alto Stanford Aquatics | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 45 | Lucas Jiang | 40.83 | 9 | A Min | AA: 40.19 (+0.64s | 1.6%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 46 | Flynn Chen | 41.03 | 9 | A Min | AA: 40.19 (+0.84s | 2.0%) | DeAnza Cupertino Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 47 | Jackson Lee | 41.24 | 10 | A Min | AA: 40.19 (+1.05s | 2.5%) | Burlingame Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | |
| 48 | Ethan Kang | 41.27 | 10 | A Min | AA: 40.19 (+1.08s | 2.6%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 49 | Arick Yuan | 41.29 | 9 | A Min | AA: 40.19 (+1.10s | 2.7%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 50 | Conner Lo | 41.47 | 10 | A Min | AA: 40.19 (+1.28s | 3.1%) | DeAnza Cupertino Aquatics | 10/25/2025 | 2025 SUNN Fall Classic | |
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.