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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 Liam Pennisi 46.20 10 BB Min A: 43.09 (+3.11s | 6.7%) Aquazot Swim Club 07/24/2025 2025 CA SCS RAA Summer A G Champs
202 Lichen Chi 46.22 9 BB Min A: 43.09 (+3.13s | 6.8%) Tualatin Hills Swim Club 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
203 Bryant Stringham 46.22 10 BB Min A: 43.09 (+3.13s | 6.8%) Olympus Aquatics 07/17/2025 2025 UTAGS LC Championships
204 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
205 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
206 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
207 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
208 Henry Goddard 46.30 10 BB Min A: 43.09 (+3.21s | 6.9%) Cascadia Swimming 05/30/2025 LA OPEN 2025
209 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
210 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
211 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
212 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
213 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
214 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
215 Enzo Harter 46.51 10 BB Min A: 43.09 (+3.42s | 7.4%) Beaverton Area Aquatics Club 05/30/2025 LA OPEN 2025
216 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
217 Jeremy Zhao 46.52 9 BB Min A: 43.09 (+3.43s | 7.4%) Quicksilver Swimming 06/27/2025 Valley Splash
218 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
219 Darren Zhao 46.54 9 BB Min A: 43.09 (+3.45s | 7.4%) Santa Clara Swim Club 06/27/2025 Valley Splash
220 Andrew Knol 46.55 10 BB Min A: 43.09 (+3.46s | 7.4%) Pacific Swim 07/24/2025 2025 SI LC AG CHAMPS
221 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
222 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
223 James Zanutto 46.57 8 BB Min A: 43.09 (+3.48s | 7.5%) Burlingame Aquatics 05/18/2024 Alto May Cray Invitational
224 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
225 Mario Aoki 46.59 9 BB Min A: 43.09 (+3.50s | 7.5%) Falfins Swimming 06/20/2025 2025 Falfins Long Course Open
226 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
227 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
228 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
229 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
230 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
231 Logan Liew 46.76 10 BB Min A: 43.09 (+3.67s | 7.8%) Streamliner Aquatics 07/18/2025 2025 LCM Summer Championships
232 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
233 Luca Fu 46.77 9 BB Min A: 43.09 (+3.68s | 7.9%) Lakeridge Swim Team 07/12/2025 2025 Silver State Championships
234 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
235 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
236 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
237 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
238 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
239 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
240 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
241 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
242 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
243 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
244 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
245 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
246 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
247 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
248 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
249 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
250 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+

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.