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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Matthew Kosov | 40.51 | 8 | B Min | BB: 39.79 (+0.72s | 1.8%) | Bay Club Aquatics | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 402 | William Xing | 40.52 | 10 | B Min | BB: 39.79 (+0.73s | 1.8%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 403 | Ahmet Okyay | 40.55 | 9 | B Min | BB: 39.79 (+0.76s | 1.9%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 404 | Charles Knigge | 40.56 | 9 | B Min | BB: 39.79 (+0.77s | 1.9%) | Spokane Waves Aquatic Team | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 405 | Austin Pham | 40.61 | 9 | B Min | BB: 39.79 (+0.82s | 2.0%) | Foothills Swim Team | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 406 | Haoran Cong | 40.65 | 9 | B Min | BB: 39.79 (+0.86s | 2.1%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 407 | Henry Fredericks | 40.68 | 8 | B Min | BB: 39.79 (+0.89s | 2.2%) | COSA Swimming | 06/19/2025 | 2025 CO ACES Summer Invite | |
| 408 | Alan Li | 40.69 | 10 | B Min | BB: 39.79 (+0.90s | 2.2%) | Tualatin Hills Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 409 | Dashel Archer | 40.69 | 9 | B Min | BB: 39.79 (+0.90s | 2.2%) | Evergreen Hurricanes | 06/06/2025 | 2025 CO NJ Summer Solstice Invitational | |
| 410 | Erik Hai | 40.70 | 9 | B Min | BB: 39.79 (+0.91s | 2.2%) | The Claremont Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 411 | Jay Kowren | 40.75 | 9 | B Min | BB: 39.79 (+0.96s | 2.4%) | Bainbridge Island Swim Club | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 412 | Oliver Maa | 40.77 | 10 | B Min | BB: 39.79 (+0.98s | 2.4%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 413 | Jaxon Despain | 40.79 | 8 | B Min | BB: 39.79 (+1.00s | 2.5%) | Denver Swim Academy | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 414 | Aden Sun | 40.81 | 9 | B Min | BB: 39.79 (+1.02s | 2.5%) | Burlingame Aquatics | 06/06/2025 | BAC C B A Meet | |
| 415 | Evan Wang | 40.83 | 10 | B Min | BB: 39.79 (+1.04s | 2.5%) | Palo Alto Stanford Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 416 | Max Peterson | 40.83 | 9 | B Min | BB: 39.79 (+1.04s | 2.5%) | Cottonwood Heights Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 417 | George Gray | 40.85 | 9 | B Min | BB: 39.79 (+1.06s | 2.6%) | Portland Aquatic Club | 05/30/2025 | LA OPEN 2025 | |
| 418 | Stuart Shillington | 40.88 | 9 | B Min | BB: 39.79 (+1.09s | 2.7%) | Team Eugene Aquatics | 05/17/2025 | TEAM Showdown | |
| 419 | Nicholas Mosendz | 40.88 | 9 | B Min | BB: 39.79 (+1.09s | 2.7%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 420 | Alexander Rao | 40.88 | 10 | B Min | BB: 39.79 (+1.09s | 2.7%) | Eastside Aquatic Swim Team | 07/11/2025 | 2025 THSC Summer Classic | |
| 421 | Orion Blue-Smith | 40.90 | 9 | B Min | BB: 39.79 (+1.11s | 2.7%) | Palo Alto Stanford Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 422 | Daniel Kalinovski | 40.91 | 9 | B Min | BB: 39.79 (+1.12s | 2.7%) | Otter Swim Club | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 423 | Saien Wu | 40.91 | 9 | B Min | BB: 39.79 (+1.12s | 2.7%) | Bellevue Club Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 424 | George Yu | 40.92 | 9 | B Min | BB: 39.79 (+1.13s | 2.8%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 425 | Stanislaw Gruszka | 40.96 | 9 | B Min | BB: 39.79 (+1.17s | 2.9%) | Walnut Creek Aquabears | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 426 | Finn Blakeslee | 40.97 | 9 | B Min | BB: 39.79 (+1.18s | 2.9%) | Hood River Valley Swim Team | 06/20/2025 | 72nd Annual Ted Walker Invitational | |
| 427 | Jaafar Lahmidi | 41.00 | 9 | B Min | BB: 39.79 (+1.21s | 3.0%) | Foothills Swim Team | 07/12/2025 | 2025 CO TOPS SBL Summer Sizzler | |
| 428 | Shenukha Alahakoon | 41.03 | 9 | B Min | BB: 39.79 (+1.24s | 3.0%) | Tualatin Hills Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 429 | Oliver Morris | 41.04 | 8 | B Min | BB: 39.79 (+1.25s | 3.0%) | Lake Oswego Swim Club | 05/02/2025 | 2025 THSC Spring Invitational | |
| 430 | Brandon Son | 41.06 | 7 | B Min | BB: 39.79 (+1.27s | 3.1%) | Columbia River Swim Team | 07/05/2025 | 2025 OR CRST Summer Blast 3 | |
| 431 | Edward Uvejzovic | 41.06 | 9 | B Min | BB: 39.79 (+1.27s | 3.1%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 432 | Henry Luevano | 41.08 | 8 | B Min | BB: 39.79 (+1.29s | 3.1%) | Aces Swim Club | 07/11/2025 | 2025 CO ACES DSA Summer Blast Last Chance | |
| 433 | Lucas Jiang | 41.09 | 8 | B Min | BB: 39.79 (+1.30s | 3.2%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 434 | Miles Gilbert | 41.09 | 10 | B Min | BB: 39.79 (+1.30s | 3.2%) | Hilltop Aquatic Swim Team | 05/08/2025 | 2025 HAST Janet Oles LC Classic | |
| 435 | Lichen Chi | 41.10 | 8 | B Min | BB: 39.79 (+1.31s | 3.2%) | Tualatin Hills Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 436 | Canaan Crough | 41.11 | 10 | B Min | BB: 39.79 (+1.32s | 3.2%) | Clovis Swim Club | 05/24/2025 | 2025 Mike Snyder Memorial | |
| 437 | Adam Ellingwood | 41.13 | 9 | B Min | BB: 39.79 (+1.34s | 3.3%) | Orinda Aquatics | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 438 | Benjamin Bull | 41.15 | 10 | B Min | BB: 39.79 (+1.36s | 3.3%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 439 | Darsh Bahri | 41.16 | 9 | B Min | BB: 39.79 (+1.37s | 3.3%) | Aces Swim Club | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 440 | Beau Jakubowski | 41.19 | 8 | B Min | BB: 39.79 (+1.40s | 3.4%) | Aces Swim Club | 07/11/2025 | 2025 CO ACES DSA Summer Blast Last Chance | |
| 441 | Buruk Mebrahtu | 41.20 | 10 | B Min | BB: 39.79 (+1.41s | 3.4%) | Walnut Creek Aquabears | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 442 | Nicoh Bocalan | 41.21 | 10 | B Min | BB: 39.79 (+1.42s | 3.4%) | San Ramon Valley Aquatics | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 443 | Demian Jarmy | 41.22 | 9 | B Min | BB: 39.79 (+1.43s | 3.5%) | Pleasanton Seahawks | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 444 | Jasper Chase | 41.23 | 10 | B Min | BB: 39.79 (+1.44s | 3.5%) | Coeur D\\\\\\'alene Area Swim Team | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 445 | Leo Grace | 41.24 | 7 | B Min | BB: 39.79 (+1.45s | 3.5%) | Coeur D\\\\\\'alene Area Swim Team | 04/26/2025 | 2025 SWAT Spring Fling | |
| 446 | Brody Whitmire | 41.24 | 10 | B Min | BB: 39.79 (+1.45s | 3.5%) | The Dalles Swim Team | 06/20/2025 | 72nd Annual Ted Walker Invitational | |
| 447 | Milo Lanigan | 41.25 | 9 | B Min | BB: 39.79 (+1.46s | 3.5%) | Pikes Peak Athletics | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 448 | Aiden Ding | 41.27 | 10 | B Min | BB: 39.79 (+1.48s | 3.6%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 449 | Joshua Wheaton | 41.28 | 9 | B Min | BB: 39.79 (+1.49s | 3.6%) | Tualatin Hills Swim Club | 05/02/2025 | 2025 THSC Spring Invitational | |
| 450 | Jackson Pinkerton | 41.28 | 9 | B Min | BB: 39.79 (+1.49s | 3.6%) | YMCA Presidio Aquatics | 06/22/2024 | NVST S LAST CHANCE JO SUMMER PLUNGE | |
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.