Western Zone Zone Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1151 | Leo Tsui | 46.64 | 9 | B: 43.89 (+2.75s | 5.9%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 1152 | Hudson Crosby | 46.65 | 10 | B: 43.89 (+2.76s | 5.9%) | Castle Rock Swimming | 07/10/2026 | 2026 CO ACES DSA Summer Blast | ||
| 1153 | Kyle Wong | 46.65 | 9 | B: 43.89 (+2.76s | 5.9%) | Albany Armada Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1154 | Ethan Tse | 46.68 | 9 | B: 43.89 (+2.79s | 6.0%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1155 | Ryan Shen | 46.68 | 10 | B: 43.89 (+2.79s | 6.0%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1156 | Oliver Garcia | 46.70 | 10 | B: 43.89 (+2.81s | 6.0%) | Four Corners Aquatic Team | 05/29/2026 | 2026 CO Cortez Summer Open | ||
| 1157 | Joao Barretto | 46.70 | 9 | B: 43.89 (+2.81s | 6.0%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | ||
| 1158 | Calvin Brown | 46.72 | 8 | B: 43.89 (+2.83s | 6.1%) | Corvallis Aquatic Team | 06/13/2025 | 2025 Mike Morris Memorial Invitational | ||
| 1159 | Hengsheen Wang | 46.72 | 9 | B: 43.89 (+2.83s | 6.1%) | Chinook Aquatic Club | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 1160 | Merrick Weishaar | 46.72 | 9 | B: 43.89 (+2.83s | 6.1%) | Skagit Valley YMCA Tritons | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | ||
| 1161 | Adrian Seto | 46.73 | 9 | B: 43.89 (+2.84s | 6.1%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1162 | Brody Hartong | 46.74 | 10 | B: 43.89 (+2.85s | 6.1%) | Warrior Aquatic Club | 06/06/2026 | BIG ISLAND SWIMMING @ KSH | ||
| 1163 | Brendan Gao | 46.75 | 10 | B: 43.89 (+2.86s | 6.1%) | Bellevue Club Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | ||
| 1164 | Ezekiel Baker | 46.78 | 10 | B: 43.89 (+2.89s | 6.2%) | Kona Dolphins Swim Club | 06/06/2026 | BIG ISLAND SWIMMING @ KSH | ||
| 1165 | Rishen Tayal | 46.80 | 10 | B: 43.89 (+2.91s | 6.2%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | ||
| 1166 | Ragnar Jones | 46.81 | 9 | B: 43.89 (+2.92s | 6.2%) | Seattle Metropolitan Aquatic C | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 1167 | Asher Ernest | 46.84 | 10 | B: 43.89 (+2.95s | 6.3%) | Four Corners Aquatic Team | 05/29/2026 | 2026 CO Cortez Summer Open | ||
| 1168 | Malik Basic | 46.87 | 9 | B: 43.89 (+2.98s | 6.4%) | Olympus Aquatics | 05/20/2025 | Kearns LC Classic | ||
| 1169 | Camden Carlton | 46.87 | 9 | B: 43.89 (+2.98s | 6.4%) | Pikes Peak Athletics | 04/26/2025 | 2025 CO FST Spring LC Fever | ||
| 1170 | Leo Castiglione | 46.89 | 10 | B: 43.89 (+3.00s | 6.4%) | Pearl City Aquatics | 06/06/2026 | 2026 15th Annual Wada Rainbow Invitational | ||
| 1171 | Daniel Popescu | 46.89 | 7 | B: 43.89 (+3.00s | 6.4%) | Seattle Metropolitan Aquatic C | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | ||
| 1172 | Lucas Estepa | 46.91 | 10 | B: 43.89 (+3.02s | 6.4%) | Lakeridge Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | ||
| 1173 | Timothy Huang | 46.91 | 10 | B: 43.89 (+3.02s | 6.4%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | ||
| 1174 | Paul Ledesma | 46.91 | 8 | B: 43.89 (+3.02s | 6.4%) | Seattle Metropolitan Aquatic C | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | ||
| 1175 | Maxwell Kushner | 46.91 | 8 | B: 43.89 (+3.02s | 6.4%) | Castle Rock Swimming | 07/10/2026 | 2026 CO ACES DSA Summer Blast | ||
| 1176 | Sebastian Guzman | 46.96 | 10 | B: 43.89 (+3.07s | 6.5%) | Bure-Aqua Academy | 05/16/2025 | 2025 CO ACES Spring Invite | ||
| 1177 | Miles Wille | 47.01 | 10 | B: 43.89 (+3.12s | 6.6%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | ||
| 1178 | Aaron Xue | 47.05 | 9 | B: 43.89 (+3.16s | 6.7%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
| 1179 | Colt Melton | 47.07 | 8 | B: 43.89 (+3.18s | 6.8%) | Velocity Swimming | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | ||
| 1180 | Sage McGoogan | 47.07 | 9 | B: 43.89 (+3.18s | 6.8%) | Portland Aquatic Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | ||
| 1181 | Mivaan Sarafi | 47.10 | 9 | B: 43.89 (+3.21s | 6.8%) | Tualatin Hills Swim Club | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | ||
| 1182 | Daschel Trowbridge | 47.11 | 10 | B: 43.89 (+3.22s | 6.8%) | Roseburg Y Swim Team | 06/13/2025 | 2025 Mike Morris Memorial Invitational | ||
| 1183 | Siyuan Wang | 47.13 | 8 | B: 43.89 (+3.24s | 6.9%) | Piedmont Swim Team | 06/27/2026 | NVST Summer Plunge 2026 | ||
| 1184 | Parker Lozes | 47.14 | 9 | B: 43.89 (+3.25s | 6.9%) | Colorado Stingrays Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | ||
| 1185 | Truxtun Siegel | 47.14 | 9 | B: 43.89 (+3.25s | 6.9%) | Jbarracudas Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | ||
| 1186 | Rowan Osborne | 47.16 | 9 | B: 43.89 (+3.27s | 6.9%) | Prineville Swim Team | 06/12/2026 | 73rd Ted Walker Invitational 2026 | ||
| 1187 | William Chu | 47.17 | 10 | B: 43.89 (+3.28s | 7.0%) | Pacific Dragons Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | ||
| 1188 | Micah Chiu | 47.17 | 9 | B: 43.89 (+3.28s | 7.0%) | Palo Alto Stanford Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1189 | Ngawang Sherpa | 47.18 | 8 | B: 43.89 (+3.29s | 7.0%) | Swim South Bay | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1190 | Theodore Craig | 47.20 | 10 | B: 43.89 (+3.31s | 7.0%) | Bellingham Bay Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | ||
| 1191 | Angus McInnes | 47.24 | 10 | B: 43.89 (+3.35s | 7.1%) | The Dalles Swim Team | 06/12/2026 | 73rd Ted Walker Invitational 2026 | ||
| 1192 | Platon Smirnov | 47.24 | 9 | B: 43.89 (+3.35s | 7.1%) | Sunnyvale Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1193 | Nathan Richardson | 47.24 | 10 | B: 43.89 (+3.35s | 7.1%) | Longmont Swim Club | 05/02/2026 | 2026 CO Longmont IMR IMX Adrenaline Gauntlet | ||
| 1194 | Boone Day | 47.25 | 8 | B: 43.89 (+3.36s | 7.1%) | Bend Swim Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | ||
| 1195 | William Nguyen | 47.27 | 10 | B: 43.89 (+3.38s | 7.2%) | San Jose Goosemonkeys | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1196 | Anders Cai | 47.27 | 10 | B: 43.89 (+3.38s | 7.2%) | Mission Valley YMCA | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | ||
| 1197 | Michael Zhang-Shen | 47.29 | 9 | B: 43.89 (+3.40s | 7.2%) | Blue Dolphin Swim Team | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | ||
| 1198 | Owen Thompson | 47.29 | 9 | B: 43.89 (+3.40s | 7.2%) | Mighty Marlins Swim Club | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | ||
| 1199 | Ethan Blanscett | 47.30 | 9 | B: 43.89 (+3.41s | 7.2%) | Atomic Swim Club | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | ||
| 1200 | Maxx Yu | 47.33 | 10 | B: 43.89 (+3.44s | 7.3%) | Burlingame Aquatics | 06/20/2026 | Alto Summer Swelter | ||
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.