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Western Zone Zone Boys 10 & under - 50 M 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
201 Reid Kelly 46.28 9 BB Min A: 43.09 (+3.19s | 6.9%) Front Range Barracudas 07/11/2025 2025 CO NCS Gold District Championships
202 Nolan Giannini 46.28 9 BB Min A: 43.09 (+3.19s | 6.9%) Puma Aquatic Team 07/16/2025 Renee And Jim Patterson Meet 2025
25 Back
46.28
46.28
50 Back
0.00
46.28
50 Back
46.28
203 Landon Wang 46.28 10 BB Min A: 43.09 (+3.19s | 6.9%) Seattle Metropolitan Aquatic C 05/29/2025 2025 IE VS Apple Capital
204 Ethan Rana 46.30 10 BB Min A: 43.09 (+3.21s | 6.9%) Highlands Ranch Aquatics 07/25/2025 2025 CO CSI Age Group Championships
205 Henry Goddard 46.30 10 BB Min A: 43.09 (+3.21s | 6.9%) Cascadia Swimming 05/30/2025 LA OPEN 2025
206 Shenukha Alahakoon 46.34 10 BB Min A: 43.09 (+3.25s | 7.0%) Tualatin Hills Swim Club 05/02/2025 2025 THSC Spring Invitational
207 Louis Yu 46.38 8 BB Min A: 43.09 (+3.29s | 7.1%) Santa Clara Swim Club 07/19/2025 Santa Clara Valley Splash Block Party
208 Noah Wu 46.39 10 BB Min A: 43.09 (+3.30s | 7.1%) Milpitas Aquatic Club 05/23/2025 Zone 1 South May Firecracker 500
209 Henry Luevano 46.45 8 BB Min A: 43.09 (+3.36s | 7.2%) Aces Swim Club 06/27/2025 2025 CO Zone 2 VMAC Meet
210 Alfie Mobbs 46.48 9 BB Min A: 43.09 (+3.39s | 7.3%) Lake Oswego Swim Club 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
211 Brayden Blaine 46.50 10 BB Min A: 43.09 (+3.41s | 7.3%) Montrose Marlins Swim Club 07/25/2025 2025 CO CSI Age Group Championships
212 Enzo Harter 46.51 10 BB Min A: 43.09 (+3.42s | 7.4%) Beaverton Area Aquatics Club 05/30/2025 LA OPEN 2025
213 Idhaant Kamat 46.52 10 BB Min A: 43.09 (+3.43s | 7.4%) Horizon Swimming 07/16/2025 Renee And Jim Patterson Meet 2025
25 Back
46.52
46.52
50 Back
0.00
46.52
50 Back
46.52
214 Jeremy Zhao 46.52 9 BB Min A: 43.09 (+3.43s | 7.4%) Quicksilver Swimming 06/27/2025 Valley Splash
215 Rylan Brill 46.54 9 BB Min A: 43.09 (+3.45s | 7.4%) CAC Stingrays Swim Team 07/25/2025 2025 CO CSI Age Group Championships
216 Darren Zhao 46.54 9 BB Min A: 43.09 (+3.45s | 7.4%) Santa Clara Swim Club 06/27/2025 Valley Splash
217 Andrew Knol 46.55 10 BB Min A: 43.09 (+3.46s | 7.4%) Pacific Swim 07/24/2025 2025 SI LC AG CHAMPS
218 Adrian Pascu 46.56 9 BB Min A: 43.09 (+3.47s | 7.5%) Gold\\\\\\'s Aquatics Club (Camas) 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
219 Oliver Morris 46.57 9 BB Min A: 43.09 (+3.48s | 7.5%) Lake Oswego Swim Club 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
220 James Zanutto 46.57 8 BB Min A: 43.09 (+3.48s | 7.5%) Burlingame Aquatics 05/18/2024 Alto May Cray Invitational
221 Parker Sampson 46.57 10 BB Min A: 43.09 (+3.48s | 7.5%) Denver Swim Academy 06/19/2025 2025 CO ACES Summer Invite
222 Mario Aoki 46.59 9 BB Min A: 43.09 (+3.50s | 7.5%) Falfins Swimming 06/20/2025 2025 Falfins Long Course Open
223 Owen Nguyen 46.64 9 BB Min A: 43.09 (+3.55s | 7.6%) Mission Viejo Nadadores 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
224 Adrian Mendoza 46.64 10 BB Min A: 43.09 (+3.55s | 7.6%) Front Range Barracudas 06/21/2024 2024 RST Rushmore Classic Swim Meet
225 Liam Reyes 46.70 10 BB Min A: 43.09 (+3.61s | 7.7%) Sparks Piranhas Swim Team 05/23/2025 2025 Intermountain Classic Long Course Meet
226 Jonathan Li 46.73 8 BB Min A: 43.09 (+3.64s | 7.8%) Brea Aquatics 07/23/2025 2025 CA SCS Summer A G Champs
227 William Toole 46.74 10 BB Min A: 43.09 (+3.65s | 7.8%) Pro Swimming 07/11/2025 2025 PN OCA July Jamboree Invitational
228 Logan Liew 46.76 10 BB Min A: 43.09 (+3.67s | 7.8%) Streamliner Aquatics 07/18/2025 2025 LCM Summer Championships
229 Daniel Heilman 46.76 10 BB Min A: 43.09 (+3.67s | 7.8%) San Francisco Seals Swim Team 06/07/2025 2025 06 07 CDST LC C B BB+ Meet
230 Luca Fu 46.77 9 BB Min A: 43.09 (+3.68s | 7.9%) Lakeridge Swim Team 07/12/2025 2025 Silver State Championships
231 David Rivera 46.77 10 BB Min A: 43.09 (+3.68s | 7.9%) Almaden Riptide 05/23/2025 Zone 1 South May Firecracker 500
232 Reed Mock 46.81 10 BB Min A: 43.09 (+3.72s | 7.9%) South Orange County Aquatics 06/13/2024 2024 CA SCS NOVA June Age Group Invite
233 Lucas Jiang 46.84 9 BB Min A: 43.09 (+3.75s | 8.0%) Santa Clara Swim Club 05/23/2025 Zone 1 South May Firecracker 500
234 Matthew Ko 46.86 10 BB Min A: 43.09 (+3.77s | 8.0%) Aspire Aquatics of Colorado 06/06/2025 2025 CO NJ Summer Solstice Invitational
235 Calder Brelsford-La Badie 46.86 9 BB Min A: 43.09 (+3.77s | 8.0%) Bainbridge Island Swim Club 05/02/2025 2025 PN BC May Flowers
236 David Renko 46.88 9 BB Min A: 43.09 (+3.79s | 8.1%) Wasatch Front Fish Market 06/27/2025 WFFM Red White And Black 2025
237 Bennett Kohlmeyer 46.90 10 BB Min A: 43.09 (+3.81s | 8.1%) Life Time Colorado Swim Club 04/26/2025 2025 CO FST Spring LC Fever
238 Ilan Rattner 46.93 9 BB Min A: 43.09 (+3.84s | 8.2%) Sunnyvale Swim Club 06/06/2025 2025 DACA LC CBA+ Meet
239 Jay Kowren 47.02 10 BB Min A: 43.09 (+3.93s | 8.4%) Bainbridge Island Swim Club 07/24/2025 2025 PN LC 12 U Championships
240 Tripp Liberman 47.04 10 BB Min A: 43.09 (+3.95s | 8.4%) Rocky Mountain Rapids 04/26/2025 2025 CO COSA Spring LC Kick Off
241 Charlie Wheeler 47.06 10 BB Min A: 43.09 (+3.97s | 8.4%) Longmont Swim Club 07/25/2025 2025 CO CSI Age Group Championships
242 Andrew Xie 47.06 10 BB Min A: 43.09 (+3.97s | 8.4%) Tualatin Hills Swim Club 06/26/2025 2025 Howard Jones Open
243 Ludwik Pawelski 47.06 9 BB Min A: 43.09 (+3.97s | 8.4%) Sparks Piranhas Swim Team 06/20/2025 Reno Aquatic Club Gamble
244 Cayden Lin 47.09 10 BB Min A: 43.09 (+4.00s | 8.5%) Rosemead Rapids 07/24/2025 2025 CA SCS RAA Summer A G Champs
245 Saien Wu 47.12 10 BB Min A: 43.09 (+4.03s | 8.6%) Bellevue Club Swim Team 07/18/2025 2025 PN Chinook Age Group Seattle Open
246 David Grant 47.14 10 BB Min A: 43.09 (+4.05s | 8.6%) Fort Collins Area Swim Team 05/16/2025 2025 CO NJ Ken Kelley Invite
247 Thomas Sedano 47.16 10 BB Min A: 43.09 (+4.07s | 8.6%) Monterey Bay Swim Club 05/18/2024 San Benito Aquatics C B A+
248 Qifan Gong 47.19 9 BB Min A: 43.09 (+4.10s | 8.7%) Bellevue Club Swim Team 07/24/2025 2025 PN LC 12 U Championships
249 Christopher Williams 47.23 10 BB Min A: 43.09 (+4.14s | 8.8%) Hilltop Aquatic Swim Team 07/17/2025 2025 UTAGS LC Championships
250 Cedrick Lo 47.28 10 BB Min A: 43.09 (+4.19s | 8.9%) Sandpipers of Nevada 07/16/2025 Renee And Jim Patterson Meet 2025
25 Back
1:00.86
1:00.86
50 Back
-13.-58
47.28
50 Back
47.28

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.