Western Zone Zone Boys 10 & under - 50 Y Breast
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 | Daniel Schad | 51.52 | 9 | B Min | BB: 47.69 (+3.83s | 7.4%) | Maui Dolphins Swim Club | 10/25/2025 | 2025 MAGSA 12 Under ABC SCY Meet | |
| 1152 | Alex Zhang | 51.52 | 10 | B Min | BB: 47.69 (+3.83s | 7.4%) | Tualatin Hills Swim Club | 02/06/2026 | 2026 Forest Grove Coast Range Qualifier | |
| 1153 | Harvey Bollefer | 51.53 | 9 | B Min | BB: 47.69 (+3.84s | 7.5%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 1154 | Nico Losada-Saputo | 51.54 | 10 | B Min | BB: 47.69 (+3.85s | 7.5%) | Unattached | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 1155 | Aiden Mao | 51.54 | 10 | B Min | BB: 47.69 (+3.85s | 7.5%) | Pacific Dragons Swim Team | 03/07/2026 | 2026 PDST Mar Pentathlon Last Chance Approved | |
| 1156 | Bolden Rapuzzi | 51.54 | 8 | B Min | BB: 47.69 (+3.85s | 7.5%) | Highlands Ranch Aquatics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 1157 | Patrick Wang | 51.57 | 8 | B Min | BB: 47.69 (+3.88s | 7.5%) | Milpitas Aquatic Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 1158 | Dylan Guo | 51.58 | 9 | B Min | BB: 47.69 (+3.89s | 7.5%) | South Snohomish Co Dolphins | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 1159 | Marcus Chui | 51.59 | 9 | B Min | BB: 47.69 (+3.90s | 7.6%) | South San Francisco Aquatics | 03/28/2026 | PSL March CBA+ | |
| 1160 | Henrik Thomas | 51.59 | 9 | B Min | BB: 47.69 (+3.90s | 7.6%) | North Jeffco Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1161 | Lawrence Lan | 51.60 | 9 | B Min | BB: 47.69 (+3.91s | 7.6%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 1162 | Christos Salis | 51.60 | 10 | B Min | BB: 47.69 (+3.91s | 7.6%) | Highland Dolphins Aquatic Club | 03/28/2026 | PSL March CBA+ | |
| 1163 | James King | 51.60 | 9 | B Min | BB: 47.69 (+3.91s | 7.6%) | The Olympic Club | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | |
| 1164 | Atharv Tiruke | 51.61 | 9 | B Min | BB: 47.69 (+3.92s | 7.6%) | Sunnyvale Swim Club | 10/25/2025 | 2025 SUNN Fall Classic | |
| 1165 | Omar Gonzalez | 51.61 | 10 | B Min | BB: 47.69 (+3.92s | 7.6%) | Centro Acuatico Universitario | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 1166 | Taft Smith | 51.62 | 9 | B Min | BB: 47.69 (+3.93s | 7.6%) | Skyline Swim Club | 10/25/2024 | Witchy Waters | |
| 1167 | Owen Richards | 51.63 | 9 | B Min | BB: 47.69 (+3.94s | 7.6%) | Heartland Swim Assoc | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 1168 | Felix Wang | 51.63 | 10 | B Min | BB: 47.69 (+3.94s | 7.6%) | Eastside Aquatic Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 1169 | Liam Adrian | 51.64 | 9 | B Min | BB: 47.69 (+3.95s | 7.6%) | Multnomah Athletic Club | 02/06/2026 | 2026 Forest Grove Coast Range Qualifier | |
| 1170 | Alex Chen | 51.66 | 9 | B Min | BB: 47.69 (+3.97s | 7.7%) | Seattle Metropolitan Aquatic C | 11/16/2025 | 2025 PN PAC Q Meet | |
| 1171 | Chance Tan Nelson | 51.66 | 9 | B Min | BB: 47.69 (+3.97s | 7.7%) | Olympic Cascade Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 1172 | Elliott Poe Brown | 51.66 | 8 | B Min | BB: 47.69 (+3.97s | 7.7%) | Burlingame Aquatics | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 1173 | Chance Tan Nelson | 51.66 | 9 | B Min | BB: 47.69 (+3.97s | 7.7%) | West Coast Aquatics | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 1174 | Piradon Pukrittayakamee | 51.68 | 9 | B Min | BB: 47.69 (+3.99s | 7.7%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 1175 | Lachlan Law | 51.68 | 9 | B Min | BB: 47.69 (+3.99s | 7.7%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 1176 | Aaron Im | 51.70 | 9 | B Min | BB: 47.69 (+4.01s | 7.8%) | West Coast Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 1177 | William MacDonald | 51.70 | 10 | B Min | BB: 47.69 (+4.01s | 7.8%) | Wave Aquatics | 01/24/2026 | 2026 PN WAVE Winter Invitational Approved | |
| 1178 | Kieran McLennan | 51.71 | 9 | B Min | BB: 47.69 (+4.02s | 7.8%) | Otter Swim Club | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 1179 | Noah Kim | 51.72 | 10 | B Min | BB: 47.69 (+4.03s | 7.8%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 1180 | Calder Pettersen | 51.73 | 8 | B Min | BB: 47.69 (+4.04s | 7.8%) | Cascade Swim Club | 11/16/2025 | 2025 PN CSC Distance Plus Intrasquad | |
| 1181 | Nash Buchanan | 51.74 | 10 | B Min | BB: 47.69 (+4.05s | 7.8%) | Salida Cyclones | 07/25/2025 | 2025 CO SECAL Championships | |
| 1182 | Ruslan Kovalchuk | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Jbarracudas Swim Team | 12/05/2025 | 2025 SI JBST Wag Max Meet | |
| 1183 | Hugo Pace | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Pacifica Sea Lions | 03/28/2026 | PSL March CBA+ | |
| 1184 | Michael Oneil | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Highlands Ranch Aquatics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 1185 | Holt Jorgensen | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | Dart Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1186 | Adam Mitzel | 51.76 | 8 | B Min | BB: 47.69 (+4.07s | 7.9%) | Redmond Aquatic Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1187 | Preston Bao | 51.76 | 10 | B Min | BB: 47.69 (+4.07s | 7.9%) | Rancho San Dieguito | 10/11/2025 | 2025 SI RSD All Ages B C Meet | |
| 1188 | Zihan Zhao | 51.77 | 9 | B Min | BB: 47.69 (+4.08s | 7.9%) | Pacific Dragons Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 1189 | Kingston Walls | 51.78 | 9 | B Min | BB: 47.69 (+4.09s | 7.9%) | Terrapins Swim Team | 11/15/2024 | Pacific Swimming SCY B BB+ Last Chance Meet | |
| 1190 | William Lawrence | 51.78 | 8 | B Min | BB: 47.69 (+4.09s | 7.9%) | Pro Swimming | 01/23/2026 | 2026 PN Pro January Intrasquad Approved | |
| 1191 | August Pittman | 51.79 | 9 | B Min | BB: 47.69 (+4.10s | 7.9%) | Issaquah Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 1192 | Lucas Fleck | 51.79 | 10 | B Min | BB: 47.69 (+4.10s | 7.9%) | AC Swim Club | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 1193 | Vaughn Jamison | 51.79 | 9 | B Min | BB: 47.69 (+4.10s | 7.9%) | Aspire Aquatics of Colorado | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1194 | Luca Moyes | 51.83 | 8 | B Min | BB: 47.69 (+4.14s | 8.0%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1195 | Alexander Stepania | 51.85 | 9 | B Min | BB: 47.69 (+4.16s | 8.0%) | Bellevue Club Swim Team | 11/07/2025 | 2025 THSC November Open | |
| 1196 | Cooper Ly | 51.85 | 9 | B Min | BB: 47.69 (+4.16s | 8.0%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 1197 | Storm Houborg | 51.86 | 9 | B Min | BB: 47.69 (+4.17s | 8.0%) | San Ramon Valley Aquatics | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | |
| 1198 | Lucas Dou | 51.87 | 9 | B Min | BB: 47.69 (+4.18s | 8.1%) | Blue Dolphin Swim Team | 03/07/2026 | 2026 PN C March Madness Approved | |
| 1199 | Timothy Wang | 51.88 | 10 | B Min | BB: 47.69 (+4.19s | 8.1%) | Cascadia Swimming | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 1200 | Ishaan Mittal | 51.90 | 9 | B Min | BB: 47.69 (+4.21s | 8.1%) | Rogue Rapids | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
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.