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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1201 | Hohyeon Cho | 37.21 | 10 | B Min | BB: 34.59 (+2.62s | 7.0%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1202 | Andrew Carriveau | 37.21 | 10 | B Min | BB: 34.59 (+2.62s | 7.0%) | Los Gatos Swim Club | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | |
| 1203 | Chinmay Joshi | 37.22 | 9 | B Min | BB: 34.59 (+2.63s | 7.1%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1204 | Grant Coburn | 37.24 | 10 | B Min | BB: 34.59 (+2.65s | 7.1%) | Barracuda Aquatic Club | 11/14/2025 | November Meet 2025 | |
| 1205 | Dudu Du | 37.24 | 10 | B Min | BB: 34.59 (+2.65s | 7.1%) | Pacific Dragons Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 1206 | Rishen Tayal | 37.24 | 10 | B Min | BB: 34.59 (+2.65s | 7.1%) | Wave Aquatics | 10/03/2026 | 2026 PN Wave Rocktober Invitational Approved | |
| 1207 | Daniel Serobyan | 37.24 | 10 | B Min | BB: 34.59 (+2.65s | 7.1%) | Unattached | 09/26/2026 | 2026 CCA Spook Tacular | |
| 1208 | James Cronin | 37.24 | 9 | B Min | BB: 34.59 (+2.65s | 7.1%) | Sebastopol Sea Serpents | 10/09/2026 | VJO S Sprint For The Golden Ticket 2026 C | |
| 1209 | Theodore Ellington | 37.25 | 9 | B Min | BB: 34.59 (+2.66s | 7.1%) | Stingray Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 1210 | James Carwin | 37.25 | 9 | B Min | BB: 34.59 (+2.66s | 7.1%) | Front Range Barracudas | 07/09/2026 | 2026 CO NCS 10 U Summer Festival | |
| 1211 | Bennett Haselfeld | 37.25 | 10 | B Min | BB: 34.59 (+2.66s | 7.1%) | Issaquah Swim Team | 09/26/2026 | 2026 PN IST Sockeye Sprints Approved | |
| 1212 | Sullivan Chen | 37.25 | 10 | B Min | BB: 34.59 (+2.66s | 7.1%) | California Dolphins Swim Team | 10/10/2026 | Orinda Aquatics PC SC C B BB+ | |
| 1213 | Bradley Schwartz | 37.26 | 10 | B Min | BB: 34.59 (+2.67s | 7.2%) | Roadrunner Aquatics | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 1214 | Cameron Irani-Tehrani | 37.26 | 10 | B Min | BB: 34.59 (+2.67s | 7.2%) | Pacific Swim | 09/20/2026 | 2026 SI PS Freestyle Festival Sun | |
| 1215 | Leonardo Goh | 37.26 | 9 | B Min | BB: 34.59 (+2.67s | 7.2%) | Piedmont Swim Team | 10/09/2026 | VJO S Sprint For The Golden Ticket 2026 C | |
| 1216 | Joseph DeRienzo | 37.27 | 10 | B Min | BB: 34.59 (+2.68s | 7.2%) | Piranha Swimming | 10/09/2026 | VJO S Sprint For The Golden Ticket 2026 C | |
| 1217 | Oscar Frey | 37.28 | 10 | B Min | BB: 34.59 (+2.69s | 7.2%) | Sawtooth Aquatic Club | 09/20/2025 | Caitlin Vinsonhaler Memorial Time Acheivement | |
| 1218 | Daniel Sheng | 37.28 | 10 | B Min | BB: 34.59 (+2.69s | 7.2%) | San Diego Swim Club | 09/19/2026 | 2026 SI PS Freestyle Festival Sat | |
| 1219 | Piradon Pukrittayakamee | 37.28 | 9 | B Min | BB: 34.59 (+2.69s | 7.2%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 1220 | Aaron Li | 37.28 | 10 | B Min | BB: 34.59 (+2.69s | 7.2%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 1221 | Chase Corda | 37.29 | 10 | B Min | BB: 34.59 (+2.70s | 7.2%) | Walnut Creek Aquabears | 11/15/2024 | Pacific Swimming SCY B BB+ Last Chance Meet | |
| 1222 | Jaxson Helmer | 37.30 | 10 | B Min | BB: 34.59 (+2.71s | 7.3%) | DeAnza Cupertino Aquatics | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 1223 | Anay Agarwal | 37.30 | 9 | B Min | BB: 34.59 (+2.71s | 7.3%) | West Coast Aquatics | 09/26/2026 | 2026 PN IST Sockeye Sprints Approved | |
| 1224 | Jeremiah Yoo | 37.30 | 8 | B Min | BB: 34.59 (+2.71s | 7.3%) | Bellevue Club Swim Team | 10/23/2026 | 2026 THSC Fall Invitational | |
| 1225 | Finnigan Wright | 37.31 | 9 | B Min | BB: 34.59 (+2.72s | 7.3%) | Cascade | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 1226 | Guanlin Chen | 37.31 | 10 | B Min | BB: 34.59 (+2.72s | 7.3%) | Brea Aquatics | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 1227 | Kurt Goetze | 37.31 | 10 | B Min | BB: 34.59 (+2.72s | 7.3%) | Los Altos Mountain View Aquati | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 1228 | Kenneth Green | 37.31 | 10 | B Min | BB: 34.59 (+2.72s | 7.3%) | Pro Swimming | 05/30/2026 | 2026 PN Pro Summer Pentathlon Approved | |
| 1229 | Gavin Lowe | 37.32 | 6 | B Min | BB: 34.59 (+2.73s | 7.3%) | Tri Valley Aquatics | 09/19/2026 | PC LAC C B BB 26 Copied | |
| 1230 | Connor Kim | 37.32 | 9 | B Min | BB: 34.59 (+2.73s | 7.3%) | Blackhawk Swim Team | 10/10/2026 | SRVA SC C B BB+ Meet | |
| 1231 | Dorian Xie | 37.32 | 8 | B Min | BB: 34.59 (+2.73s | 7.3%) | Tualatin Hills Swim Club | 10/23/2026 | 2026 THSC Fall Invitational | |
| 1232 | Parker Bettis | 37.33 | 10 | B: 32.79 (+4.54s | 12.2%) | Nampa Swim Team | 12/06/2025 | Reindeer Games 2025 | ||
| 1233 | Brody Hartong | 37.33 | 10 | B Min | BB: 34.59 (+2.74s | 7.3%) | Warrior Aquatic Club | 10/03/2026 | 2026 BIG ISLAND SWIMMING | |
| 1234 | Simon Acuna Reyes | 37.34 | 9 | B Min | BB: 34.59 (+2.75s | 7.4%) | Life Time Oregon Swim Team | 09/26/2026 | FGSC 2026 Season Opener Pentathlon | |
| 1235 | Evan Gilmore | 37.35 | 9 | B Min | BB: 34.59 (+2.76s | 7.4%) | Cascade | 02/13/2026 | 2026 OR HS 4a 4 | |
| 1236 | Jaxson Ninteman | 37.36 | 9 | B Min | BB: 34.59 (+2.77s | 7.4%) | Heartland Swim Assoc | 10/17/2026 | 2026 SI SBA All Ages NTS Meet | |
| 1237 | Haolin Chen | 37.36 | 10 | B Min | BB: 34.59 (+2.77s | 7.4%) | Pacific Dragons Swim Team | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 1238 | Daniel Wang | 37.36 | 9 | B Min | BB: 34.59 (+2.77s | 7.4%) | Olympic Cascade Aquatics | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 1239 | Guy Mitchell | 37.37 | 8 | B Min | BB: 34.59 (+2.78s | 7.4%) | Unattached | 10/17/2026 | Pumpkin Meet, Oct 2026 | |
| 1240 | Ethan Zhong | 37.38 | 9 | B Min | BB: 34.59 (+2.79s | 7.5%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 1241 | Myles Clark | 37.38 | 10 | B Min | BB: 34.59 (+2.79s | 7.5%) | Kona Dolphins Swim Club | 09/12/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 1242 | Jeremy Pei | 37.38 | 10 | B Min | BB: 34.59 (+2.79s | 7.5%) | Columbia River Swim Team | 10/10/2026 | LA Fall Kick Off 2026 | |
| 1243 | Riko Jaya | 37.39 | 8 | B Min | BB: 34.59 (+2.80s | 7.5%) | YMCA Presidio Aquatics | 10/23/2026 | SSS 2026 Pumpkin Plunge | |
| 1244 | Ford Fisher | 37.39 | 9 | B Min | BB: 34.59 (+2.80s | 7.5%) | Univ. of Denver Hilltoppers | 01/03/2026 | 2026 CO MACS Winter Invitationak | |
| 1245 | Alexey Kostryukov | 37.40 | 10 | B Min | BB: 34.59 (+2.81s | 7.5%) | Alameda Gators | 09/19/2026 | East Bay Silver Dolphins Short Course C B BB+ | |
| 1246 | Lawrence Lan | 37.40 | 9 | B Min | BB: 34.59 (+2.81s | 7.5%) | Alto Swim Club | 10/24/2026 | BAC SPOOKY FALL CLASSIC | |
| 1247 | Will Hamric | 37.41 | 10 | B Min | BB: 34.59 (+2.82s | 7.5%) | Excel Aquatics | 09/25/2026 | 2026 Excel Aquatics Fall Fest Invite | |
| 1248 | Robert Patterson | 37.42 | 10 | B Min | BB: 34.59 (+2.83s | 7.6%) | Lake Oswego Swim Club | 09/20/2025 | 2025 LOSC September Intrasquad 1 | |
| 1249 | Everett Crawford | 37.42 | 9 | B Min | BB: 34.59 (+2.83s | 7.6%) | Bainbridge Island Swim Club | 09/13/2026 | 2026 PN BISC Season Opening Blue Gold Appr | |
| 1250 | William Huang | 37.42 | 9 | B Min | BB: 34.59 (+2.83s | 7.6%) | Daly City Dolphins | 10/24/2026 | PSL Pumpkin Spice Splash | |
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.