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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1151 | Colin Wu | 44.91 | 10 | B Min | BB: 42.89 (+2.02s | 4.5%) | Life Time Colorado Swim Club | 01/02/2026 | 2026 CO COSA New Year Open | |
| 1152 | Abraham Urrutia | 44.92 | 10 | B Min | BB: 42.89 (+2.03s | 4.5%) | Foothills Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1153 | Elliott Harris | 44.93 | 10 | B Min | BB: 42.89 (+2.04s | 4.5%) | Sebastopol Sea Serpents | 07/26/2025 | 2025 REAL Championships | |
| 1154 | Andrew Chen | 44.93 | 7 | B Min | BB: 42.89 (+2.04s | 4.5%) | Seattle Metropolitan Aquatic C | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 1155 | Isaiah Fadillah | 44.94 | 10 | B Min | BB: 42.89 (+2.05s | 4.6%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 1156 | Jasper Zhong | 44.96 | 8 | B Min | BB: 42.89 (+2.07s | 4.6%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 1157 | David Griesinger | 44.96 | 9 | B Min | BB: 42.89 (+2.07s | 4.6%) | Boise YMCA Swim Team | 11/22/2025 | 57th Annual Thanksgiving Invitational | |
| 1158 | Cian Coyle | 44.97 | 9 | B Min | BB: 42.89 (+2.08s | 4.6%) | COSA Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 1159 | Caden Paterson | 44.97 | 10 | B Min | BB: 42.89 (+2.08s | 4.6%) | Livermore AquaCowboys | 12/12/2025 | Winter SC Age Group Championships | |
| 1160 | Jason Ma | 44.99 | 9 | B Min | BB: 42.89 (+2.10s | 4.7%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1161 | Sebastian Monroy Reyes | 45.01 | 10 | B Min | BB: 42.89 (+2.12s | 4.7%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 1162 | Miles Platt | 45.02 | 10 | B Min | BB: 42.89 (+2.13s | 4.7%) | King Aquatic Club | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 1163 | Royce Reed | 45.02 | 8 | B Min | BB: 42.89 (+2.13s | 4.7%) | King Aquatic Club | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 1164 | Maxwell Kelsey | 45.03 | 9 | B Min | BB: 42.89 (+2.14s | 4.8%) | Almaden Riptide | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 1165 | Walter Ogdon | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 1166 | Jack Willey | 45.04 | 10 | B Min | BB: 42.89 (+2.15s | 4.8%) | Almaden Riptide | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1167 | Atlas Crowley | 45.05 | 10 | B Min | BB: 42.89 (+2.16s | 4.8%) | McMinnville Swim Club | 02/15/2026 | 2026 MSC Vs APEX Dual Meet | |
| 1168 | Joseph Michael | 45.05 | 9 | B Min | BB: 42.89 (+2.16s | 4.8%) | Seals Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 1169 | Hadam Bang | 45.07 | 10 | B Min | BB: 42.89 (+2.18s | 4.8%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1170 | Yusuf Cavcic | 45.08 | 10 | B Min | BB: 42.89 (+2.19s | 4.9%) | Wave Aquatics | 12/06/2025 | 2025 PN Fall Divisionals, Division 3 WAVE | |
| 1171 | Edison Reed | 45.08 | 10 | B Min | BB: 42.89 (+2.19s | 4.9%) | Legacy Aquatics | 02/15/2026 | 2026 LA Last Chance | |
| 1172 | Elliot Gorman | 45.08 | 10 | B Min | BB: 42.89 (+2.19s | 4.9%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 1173 | Artur Szabo | 45.10 | 10 | B Min | BB: 42.89 (+2.21s | 4.9%) | Maui Dolphins Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 1174 | Ian Lee | 45.10 | 8 | B Min | BB: 42.89 (+2.21s | 4.9%) | Bellevue Club Swim Team | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 1175 | Alec Henriques | 45.10 | 10 | B Min | BB: 42.89 (+2.21s | 4.9%) | Napa Valley Swim Team | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 1176 | Ian Lu | 45.10 | 10 | B Min | BB: 42.89 (+2.21s | 4.9%) | YMCA of Snohomish County Barra | 01/24/2026 | 2026 WA State Y Championship Meet | |
| 1177 | Johannes Davide | 45.11 | 10 | B Min | BB: 42.89 (+2.22s | 4.9%) | Issaquah Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 1178 | Charles Guess | 45.12 | 9 | B Min | BB: 42.89 (+2.23s | 4.9%) | Tahoe Swim Club | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 1179 | Gabriel Butler | 45.12 | 10 | B Min | BB: 42.89 (+2.23s | 4.9%) | Southern Utah Swimming Associa | 12/13/2024 | Stingrays Christmas Chaos Dec 2024 | |
| 1180 | Alexander Forward | 45.14 | 8 | B Min | BB: 42.89 (+2.25s | 5.0%) | San Jose Goosemonkeys | 02/28/2026 | Swim South Bay | |
| 1181 | Vishnu Srinivasan | 45.14 | 10 | B Min | BB: 42.89 (+2.25s | 5.0%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 1182 | Caleb Tos | 45.15 | 10 | B Min | BB: 42.89 (+2.26s | 5.0%) | Tule Nation Tritons | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 1183 | Griffin Ketchen | 45.15 | 9 | B Min | BB: 42.89 (+2.26s | 5.0%) | Iolani Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 1184 | Kasen Crutcher | 45.16 | 10 | B Min | BB: 42.89 (+2.27s | 5.0%) | Wasatch Front Fish Market | 11/01/2025 | Dive Into The Unknown 2025 | |
| 1185 | Ezekiel Cabanilla | 45.16 | 10 | B Min | BB: 42.89 (+2.27s | 5.0%) | Maui Swim Club | 01/10/2026 | NEW YEAR S MAGSA SCY Meet | |
| 1186 | Hohyeon Cho | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1187 | Liam Smith | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Aquawolves Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 1188 | Noah Godfrey | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Life Time Oregon Swim Team | 11/07/2025 | 2025 THSC November Open | |
| 1189 | Callum Grant | 45.19 | 10 | B Min | BB: 42.89 (+2.30s | 5.1%) | Univ. of Denver Hilltoppers | 03/14/2026 | 2026 CO TOPS SCY Finale | |
| 1190 | Noah Primitivo | 45.19 | 9 | B Min | BB: 42.89 (+2.30s | 5.1%) | Nathan Hale | 02/20/2026 | 2026 WIAA 2A Boys HS State Champs OB | |
| 1191 | Ethan Li | 45.20 | 10 | B Min | BB: 42.89 (+2.31s | 5.1%) | Los Altos Mountain View Aquati | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 1192 | Bryan Xia | 45.20 | 7 | B Min | BB: 42.89 (+2.31s | 5.1%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 1193 | Ethan Zhong | 45.20 | 9 | B Min | BB: 42.89 (+2.31s | 5.1%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 1194 | Felix Jackson | 45.22 | 8 | B Min | BB: 42.89 (+2.33s | 5.2%) | Tualatin Hills Swim Club | 08/08/2025 | 2025 OR NST Seahorse Invitational | |
| 1195 | Royce Ye | 45.22 | 9 | B Min | BB: 42.89 (+2.33s | 5.2%) | Aquacise Swimming | 11/09/2025 | 2025 PN C Pentathlon | |
| 1196 | Finnegan Persampieri | 45.23 | 10 | B Min | BB: 42.89 (+2.34s | 5.2%) | Otter Swim Club | 10/25/2025 | 2025 SUNN Fall Classic | |
| 1197 | Corbyn Phillips | 45.23 | 9 | B Min | BB: 42.89 (+2.34s | 5.2%) | Clackamas | 02/13/2026 | 2026 OR HS 6A 4 | |
| 1198 | Vaughn Jamison | 45.23 | 9 | B Min | BB: 42.89 (+2.34s | 5.2%) | Aspire Aquatics of Colorado | 01/16/2026 | 2026 HSA TYR Invitational | |
| 1199 | Liber Liao | 45.25 | 8 | B Min | BB: 42.89 (+2.36s | 5.2%) | West Coast Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 1200 | Jax Richard | 45.26 | 9 | B Min | BB: 42.89 (+2.37s | 5.2%) | Life Time Fitness Utah Swim Te | 02/21/2025 | 2025 Olympus Aquatics Last Chance | |
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.