Western Zone Zone Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4001 | Isaac Kantor | 53.16 | 9 | B: 38.19 (+14.97s | 28.2%) | AC Swim Club | 07/26/2025 | 2025 REAL Championships | ||
| 4002 | Mateo Flores | 53.17 | 8 | B: 38.19 (+14.98s | 28.2%) | San Ramon Valley Aquatics | 12/14/2024 | Richard Thorntorn Memorial Meet SCY CBBB+ | ||
| 4003 | Mathias Gaeta | 53.17 | 7 | B: 38.19 (+14.98s | 28.2%) | Canyons Aquatic Club | 12/06/2025 | 2025 CA CANY Candy Cane | ||
| 4004 | Michael Shchukin | 53.17 | 7 | B: 38.19 (+14.98s | 28.2%) | Stingray Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | ||
| 4005 | Nate Hunter | 53.18 | 9 | B: 38.19 (+14.99s | 28.2%) | Burlingame Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | ||
| 4006 | Dublin Greaves | 53.18 | 8 | B: 38.19 (+14.99s | 28.2%) | Issaquah Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | ||
| 4007 | Gabriel Cook | 53.19 | 6 | B: 38.19 (+15.00s | 28.2%) | SlipStream Aquatics | 12/12/2025 | 2025 CO NJ Blizzard Invite | ||
| 4008 | Weston Klundt | 53.21 | 7 | B: 38.19 (+15.02s | 28.2%) | Spokane Waves Aquatic Team | 11/21/2025 | 2025 Adam England Memorial Fall Splash | ||
| 4009 | Walter Butts | 53.21 | 8 | B: 38.19 (+15.02s | 28.2%) | AC Swim Club | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | ||
| 4010 | Maximiliano Valle | 53.23 | 7 | B: 38.19 (+15.04s | 28.3%) | University Place Aquatic Club | 11/02/2025 | 2025 PN UPAC Fall Qual | ||
| 4011 | Evan Wheeler | 53.25 | 7 | B: 38.19 (+15.06s | 28.3%) | Island Aquatics | 10/25/2025 | 2025 MAGSA 12 Under ABC SCY Meet | ||
| 4012 | Jichan Lim | 53.26 | 7 | B: 38.19 (+15.07s | 28.3%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 4013 | Gavin Gregory | 53.27 | 8 | B: 38.19 (+15.08s | 28.3%) | Foothills Swim Team | 01/17/2025 | 2025 CO CUDA Classic | ||
| 4014 | Grant Breland | 53.30 | 7 | B: 38.19 (+15.11s | 28.3%) | Team Sopris Swimming | 01/16/2026 | 2026 CO MAValanche Invitational | ||
| 4015 | Marc Belenguer Gonzalez | 53.30 | 8 | B: 38.19 (+15.11s | 28.3%) | Flatiron Athletic Club | 10/11/2024 | 2024 CO Loveland Fall Open | ||
| 4016 | Jhett Lewis | 53.31 | 8 | B: 38.19 (+15.12s | 28.4%) | Falfins Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | ||
| 4017 | Tayo Murdach | 53.31 | 6 | B: 38.19 (+15.12s | 28.4%) | Port Angeles Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | ||
| 4018 | Townes Haggard | 53.33 | 9 | B: 38.19 (+15.14s | 28.4%) | SlipStream Aquatics | 12/14/2025 | 2025 CO FORM Winter Open | ||
| 4019 | Alexander Ning | 53.33 | 8 | B: 38.19 (+15.14s | 28.4%) | Sunnyvale Swim Club | 10/26/2024 | 2024 SUNN Fall Classic CBA+ Meet | ||
| 4020 | Jasur Pridatko | 53.38 | 8 | B: 38.19 (+15.19s | 28.5%) | Pleasanton Seahawks | 02/03/2024 | 2024 Zone 2 SC Championship Meet | ||
| 4021 | Sheung Cheung | 53.40 | 8 | B: 38.19 (+15.21s | 28.5%) | Legacy Aquatics | 12/20/2025 | 2025 Legacy Aquatics Showdown | ||
| 4022 | James Worters | 53.40 | 9 | B: 38.19 (+15.21s | 28.5%) | Otter Swim Club | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | ||
| 4023 | Ryder Loechell | 53.41 | 8 | B: 38.19 (+15.22s | 28.5%) | Evergreen Hurricanes | 01/09/2026 | 2026 CO NJ Narwhal Invitational | ||
| 4024 | Liam Loaiza | 53.43 | 8 | B: 38.19 (+15.24s | 28.5%) | Excel Aquatics | 12/13/2025 | 2025 Ho Ho Ho Holiday 12 Under Meet | ||
| 4025 | Ezra Petrenko | 53.45 | 7 | B: 38.19 (+15.26s | 28.6%) | CAC Stingrays Swim Team | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 4026 | Nicholas Mazzone | 53.45 | 9 | B: 38.19 (+15.26s | 28.6%) | Reno Aquatic Club | 09/12/2025 | Molly Lahlum Memorial Autumn Freeze | ||
| 4027 | Declan Smith | 53.45 | 10 | B: 38.19 (+15.26s | 28.6%) | Otter Swim Club | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | ||
| 4028 | Elden Lu | 53.46 | 8 | B: 38.19 (+15.27s | 28.6%) | San Ramon Valley Aquatics | 11/02/2024 | SRVA SCY CBBB+ | ||
| 4029 | Thomas Vallely | 53.46 | 8 | B: 38.19 (+15.27s | 28.6%) | North Coast Aquatics | 12/15/2024 | 2024 SI FAST 14U C Meet | ||
| 4030 | Soren Jorgensen | 53.46 | 10 | B: 38.19 (+15.27s | 28.6%) | Salem Swim Club | 01/24/2026 | Oregon YMCA Championships 2026 | ||
| 4031 | William Haney | 53.47 | 8 | B: 38.19 (+15.28s | 28.6%) | Maui Dolphins Swim Club | 12/06/2025 | 2025 MAGSA SCY B3 Meet | ||
| 4032 | Finn Sie | 53.47 | 10 | B: 38.19 (+15.28s | 28.6%) | Wave Aquatics | 01/24/2026 | 2026 PN WAVE Winter Invitational Approved | ||
| 4033 | Seth Davidson | 53.48 | 7 | B: 38.19 (+15.29s | 28.6%) | Mighty Marlins Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | ||
| 4034 | Wyatt Galuska | 53.49 | 10 | B: 38.19 (+15.30s | 28.6%) | Excel Aquatics | 12/13/2025 | 2025 Ho Ho Ho Holiday 12 Under Meet | ||
| 4035 | Finn McDonald | 53.50 | 8 | B: 38.19 (+15.31s | 28.6%) | North Coast Aquatics | 02/07/2025 | 2025 SI SDSA All Ages A BB | ||
| 4036 | Luke Hannig | 53.50 | 9 | B: 38.19 (+15.31s | 28.6%) | Hilltop Aquatic Swim Team | 09/17/2025 | 2025 UT HAST Sprint Meet | ||
| 4037 | Corey Chen | 53.51 | 9 | B: 38.19 (+15.32s | 28.6%) | Palo Alto Stanford Aquatics | 10/26/2024 | TYR BAC Spooky Fall Classic C B A+ Meet | ||
| 4038 | Allan Fox | 53.51 | 10 | B: 38.19 (+15.32s | 28.6%) | Hillsboro Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | ||
| 4039 | Maxwell Mullen-Karlin | 53.51 | 8 | B: 38.19 (+15.32s | 28.6%) | Hills Hurricane Swimming | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | ||
| 4040 | Agastya Rai | 53.55 | 9 | B: 38.19 (+15.36s | 28.7%) | YMCA of Snohomish County Barra | 01/24/2026 | 2026 WA State Y Championship Meet | ||
| 4041 | Will Hollrah | 53.56 | 8 | B: 38.19 (+15.37s | 28.7%) | Fresno Dolphins Swim Team | 02/03/2024 | TNT 2024 SC B C Championship | ||
| 4042 | Xiaobo Gao | 53.56 | 9 | B: 38.19 (+15.37s | 28.7%) | DeAnza Cupertino Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | ||
| 4043 | Caleb Nguyen | 53.57 | 9 | B: 38.19 (+15.38s | 28.7%) | Form Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 4044 | Dane Foulk | 53.58 | 8 | B: 38.19 (+15.39s | 28.7%) | Heartland Swim Assoc | 09/21/2024 | 2024 SI PS Freestyle Festival Sat | ||
| 4045 | Acen Liu | 53.59 | 9 | B: 38.19 (+15.40s | 28.7%) | Olympic Cascade Aquatics | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | ||
| 4046 | Mason Birnie | 53.59 | 9 | B: 38.19 (+15.40s | 28.7%) | Front Range Barracudas | 01/09/2026 | 2026 CO CUDA January Pizza Meet | ||
| 4047 | Rocky Tauanuu | 53.59 | 8 | B: 38.19 (+15.40s | 28.7%) | Pearl City Aquatics | 10/19/2025 | Aulea Fall Frenzy Meet | ||
| 4048 | Maddox Carver-Elzey | 53.61 | 8 | B: 38.19 (+15.42s | 28.8%) | Gilroy Gators Swim Team | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 4049 | Reagan Hull | 53.62 | 8 | B: 38.19 (+15.43s | 28.8%) | Swim South Bay | 01/26/2024 | 2024 Brian Malick Memorial Z1S Championships | ||
| 4050 | Aaron Tice | 53.64 | 7 | B: 38.19 (+15.45s | 28.8%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | ||
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.