Western Zone Zone Boys 10 & under - 50 Y Back
These rankings show the swimmers' placement within their Zone.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 | Vincent Kim | 10.90 | 10 | AAAA Min | Hydro Aquatics Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | ||
| 2 | Zakhar Breslavskyi | 15.08 | 9 | AAAA Min | Boise YMCA Swim Team | 10/25/2025 | 2025 Spooktacular Swim Meet | ||
| 3 | Cosmo McGrath | 16.18 | 9 | AAAA Min | Bellingham Bay Swim Team | 10/05/2024 | 2024 BBST PN Fall Kick Off Invitational | ||
| 4 | Harrison Millard | 16.19 | 10 | AAAA Min | Bellingham Bay Swim Team | 01/18/2025 | 2025 BBST Aly Fell Memorial Sprint Classic | ||
| 5 | William Crowe | 20.76 | 10 | AAAA Min | Tri-city Channel Cats | 01/25/2025 | 2025 Winter Open | ||
| 6 | Filip Wasilik | 27.30 | 9 | AAAA Min | Fort Collins Area Swim Team | 03/06/2026 | 2026 CO NCS Winter District Championships | ||
| 7 | Greyson Printz | 27.73 | 9 | AAAA Min | Highline | 02/13/2026 | 2026 (WIAA) Sea King Dist II 3A Boys HS OB | ||
| 8 | Hudson Peake | 29.39 | 10 | AAAA Min | Camas | 01/10/2026 | 2026 Kentridge High School Invitational Obse | ||
| 9 | Hoshi Aono | 29.76 | 10 | AAAA Min | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | ||
| 10 | Robert Legg | 29.82 | 10 | AAAA Min | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | ||
| 11 | Connor Weinreich | 29.86 | 9 | AAAA Min | Corvallis | 02/11/2026 | 2026 OR HS 5a 3 | ||
| 12 | David Li | 30.21 | 10 | AAAA Min | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | ||
| 13 | Eero Tulley | 30.36 | 10 | AAAA Min | Swim Kauai Aquatics | 11/15/2025 | SKA Home Meet 111525 | ||
| 14 | Albert Xiao | 30.37 | 10 | AAAA Min | Santa Clara Swim Club | 12/12/2025 | Winter SC Age Group Championships | ||
| 15 | Marley Lotts | 30.48 | 10 | AAAA Min | Bellingham | 02/20/2025 | 2025 1A 2A Boys State Swim Dive Champs | ||
| 16 | Marley Lotts | 30.49 | 10 | AAAA Min | Bellingham | 02/14/2025 | 2025 Northwest District 1 2A Boys HS Distri | ||
| 17 | Seth Balderson | 30.63 | 10 | AAAA Min | Dr Dolores Silas | 02/20/2026 | 2026 WIAA 3A Boys HS State Champs OB | ||
| 18 | Marcus Soetanto | 30.71 | 10 | AAAA Min | Rose Bowl Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | ||
| 19 | Karas Ibrahim | 30.87 | 10 | AAAA Min | Canyons Aquatic Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | ||
| 20 | Kevin Kubasik | 30.92 | 10 | AAAA Min | Rio-Green | 01/24/2026 | 2026 SCS Swim Festival | ||
| 21 | Lincoln Graham | 31.11 | 9 | AAAA Min | Benson | 02/11/2026 | 2026 OR HS 6A 1 | ||
| 22 | Declan Wang | 31.45 | 10 | AAAA Min | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | ||
| 23 | Trevor Lam | 31.49 | 9 | AAAA Min | Dare Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | ||
| 24 | Henry Swinehart | 31.51 | 10 | AAAA Min | Clearfireld Cuda Aquatic Team | 02/13/2026 | 2026 OR HS 6A 4 | ||
| 25 | Spencer Slowik | 31.62 | 10 | A Min | AA: 31.19 (+0.43s | 1.4%) | Bainbridge Island Swim Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 26 | Zhecheng Zhu | 31.71 | 9 | AAAA Min | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | ||
| 27 | Ethan Locke | 31.80 | 10 | AAAA Min | Alto Swim Club | 03/07/2026 | DACA CBA Meet | ||
| 28 | Ryan Latronica | 31.82 | 10 | AAAA Min | Hills Hurricane Swimming | 03/20/2026 | SCY Spring Age Group Championships | ||
| 29 | Rubix Szolusha | 31.82 | 10 | AAAA Min | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | ||
| 30 | Mason Friesen | 32.09 | 10 | AAAA Min | Lynden | 02/13/2026 | 2026 (WIAA) NW District 1 2A Boys HS OB | ||
| 31 | Declan Neth | 32.22 | 10 | AAA Min | AAAA: 32.19 (+0.03s | 0.1%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 32 | Alexander Kovnatsky | 32.29 | 10 | AAA Min | AAAA: 32.19 (+0.10s | 0.3%) | Orinda Aquatics | 03/20/2026 | SCY Spring Age Group Championships | |
| 33 | Isaac Brown | 32.32 | 10 | AAA Min | AAAA: 32.19 (+0.13s | 0.4%) | West Linn | 02/13/2026 | 2026 OR HS 6A 5 | |
| 34 | David Powell | 32.33 | 10 | AAA Min | AAAA: 32.19 (+0.14s | 0.4%) | Heartland Swim Assoc | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 35 | Sinan Ozgur | 32.38 | 10 | AAA Min | AAAA: 32.19 (+0.19s | 0.6%) | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | |
| 36 | Oliver Brock | 32.50 | 10 | AAA Min | AAAA: 32.19 (+0.31s | 1.0%) | Sierra Marlins Swim Team | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 37 | Thomas Sedano | 32.59 | 10 | AAA Min | AAAA: 32.19 (+0.40s | 1.2%) | Monterey Bay Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 38 | Stephen Huang | 32.61 | 10 | AAA Min | AAAA: 32.19 (+0.42s | 1.3%) | DeAnza Cupertino Aquatics | 12/12/2025 | Winter SC Age Group Championships | |
| 39 | David Goldenberg | 32.77 | 10 | AAA Min | AAAA: 32.19 (+0.58s | 1.8%) | Bellevue Club Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 40 | Chukwuma Chiedozi | 32.81 | 10 | AAA Min | AAAA: 32.19 (+0.62s | 1.9%) | Rogue Rapids | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 41 | Guanlin Chen | 32.84 | 9 | AAA Min | AAAA: 32.19 (+0.65s | 2.0%) | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 42 | Walker Lewis | 32.87 | 10 | AAA Min | AAAA: 32.19 (+0.68s | 2.1%) | Excel Aquatics | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 43 | Henry Swinehart | 32.93 | 10 | AAA Min | AAAA: 32.19 (+0.74s | 2.2%) | Central Catholic High School | 02/15/2025 | 2025 OR HS 6a 4 | |
| 44 | Declan Bannan | 33.01 | 10 | AAA Min | AAAA: 32.19 (+0.82s | 2.5%) | Rancho San Dieguito | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 45 | Marco Sun | 33.02 | 10 | AAA Min | AAAA: 32.19 (+0.83s | 2.5%) | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | |
| 46 | Jayden Cheng | 33.09 | 10 | AAA Min | AAAA: 32.19 (+0.90s | 2.7%) | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 47 | Mason Ryu | 33.13 | 10 | AAA Min | AAAA: 32.19 (+0.94s | 2.8%) | Klg Sports Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 48 | Jefferson Chiang | 33.15 | 10 | AAA Min | AAAA: 32.19 (+0.96s | 2.9%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 49 | Lucas Guo | 33.16 | 10 | AAA Min | AAAA: 32.19 (+0.97s | 2.9%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 50 | Paxton Goldsborough | 33.20 | 9 | AAA Min | AAAA: 32.19 (+1.01s | 3.0%) | Academy Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
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.