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 | |
|---|---|---|---|---|---|---|---|---|---|
| 351 | Benjamin Robinson | 39.89 | 9 | B Min | BB: 39.79 (+0.10s | 0.3%) | Neptune Swimming | 07/11/2025 | 2025 Age Group Championships | |
| 352 | Zhouhan Yang | 39.95 | 9 | B Min | BB: 39.79 (+0.16s | 0.4%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 353 | Anthony Ma | 39.95 | 9 | B Min | BB: 39.79 (+0.16s | 0.4%) | Cottonwood Heights Aquatics | 05/08/2025 | 2025 HAST Janet Oles LC Classic | |
| 354 | Tatsumasa Sekine | 39.97 | 8 | B Min | BB: 39.79 (+0.18s | 0.5%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 355 | Luke Lim | 39.99 | 9 | B Min | BB: 39.79 (+0.20s | 0.5%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 356 | Solan Bernhardt | 40.00 | 10 | B Min | BB: 39.79 (+0.21s | 0.5%) | Salida Cyclones | 07/18/2025 | 2025 CO Rocky Ford Blue Marlins Invitational | |
| 357 | Luke Chai | 40.03 | 8 | B Min | BB: 39.79 (+0.24s | 0.6%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 358 | Aiden Hu | 40.03 | 9 | B Min | BB: 39.79 (+0.24s | 0.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 359 | Jamie Pan | 40.04 | 9 | B Min | BB: 39.79 (+0.25s | 0.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 360 | Cayden Lin | 40.05 | 9 | B Min | BB: 39.79 (+0.26s | 0.6%) | Rosemead Rapids | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 361 | Francis Lou | 40.05 | 10 | B Min | BB: 39.79 (+0.26s | 0.6%) | Bay Club Aquatics | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 362 | Keaton Poggetti | 40.06 | 10 | B Min | BB: 39.79 (+0.27s | 0.7%) | Highland Dolphins Aquatic Club | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 363 | Demid Mozgov | 40.08 | 9 | B Min | BB: 39.79 (+0.29s | 0.7%) | Bure-Aqua Academy | 05/16/2025 | 2025 CO ACES Spring Invite | |
| 364 | Charlie Matella | 40.09 | 10 | B Min | BB: 39.79 (+0.30s | 0.7%) | Alameda Gators | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 365 | Raizo Copp | 40.09 | 9 | B Min | BB: 39.79 (+0.30s | 0.7%) | King Aquatic Club | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 366 | Oliver Pearce | 40.09 | 9 | B Min | BB: 39.79 (+0.30s | 0.7%) | Aces Swim Club | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 367 | Bryant Stringham | 40.10 | 10 | B Min | BB: 39.79 (+0.31s | 0.8%) | Olympus Aquatics | 06/06/2025 | Speed Lake City 2025 | |
| 368 | Gabriel Terrones | 40.11 | 9 | B Min | BB: 39.79 (+0.32s | 0.8%) | Team Eugene Aquatics | 06/06/2025 | 2025 THSC June Invitational | |
| 369 | Eli Lawson | 40.12 | 8 | B Min | BB: 39.79 (+0.33s | 0.8%) | Dolphin Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 370 | Adam Zamora | 40.14 | 10 | B Min | BB: 39.79 (+0.35s | 0.9%) | La Grande Swim Club | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 371 | Ethan Wang | 40.16 | 8 | B Min | BB: 39.79 (+0.37s | 0.9%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 372 | Kota Whitman | 40.17 | 9 | B Min | BB: 39.79 (+0.38s | 0.9%) | North Bay Aquatics | 06/22/2024 | NVST S LAST CHANCE JO SUMMER PLUNGE | |
| 373 | Charles Liu Bates | 40.21 | 9 | B Min | BB: 39.79 (+0.42s | 1.0%) | Unattached | 05/25/2024 | 2024 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 374 | David Zhang | 40.25 | 10 | B Min | BB: 39.79 (+0.46s | 1.1%) | Pacific Dragons Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 375 | Jayden Zhu | 40.26 | 10 | B Min | BB: 39.79 (+0.47s | 1.2%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 376 | Andreas Kwiram | 40.26 | 8 | B Min | BB: 39.79 (+0.47s | 1.2%) | Hills Hurricane Swimming | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 377 | Phinnaeus Johnson | 40.28 | 9 | B Min | BB: 39.79 (+0.49s | 1.2%) | South Valley Makos | 06/27/2025 | Valley Splash | |
| 378 | Evan Guan | 40.29 | 9 | B Min | BB: 39.79 (+0.50s | 1.2%) | Chinook Aquatic Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 379 | Alexander Stepania | 40.29 | 8 | B Min | BB: 39.79 (+0.50s | 1.2%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 380 | Youssef Mahassine | 40.29 | 10 | B Min | BB: 39.79 (+0.50s | 1.2%) | Walnut Creek Aquabears | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 381 | Ezra Junio | 40.31 | 9 | B Min | BB: 39.79 (+0.52s | 1.3%) | Legacy Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 382 | Peter Hofman | 40.33 | 9 | B Min | BB: 39.79 (+0.54s | 1.3%) | Cascade Swim Club | 06/20/2025 | 2025 IE VS Starlight Open | |
| 383 | Braden Rees | 40.34 | 10 | B Min | BB: 39.79 (+0.55s | 1.4%) | Utah Valley Aquatics | 05/08/2025 | 2025 HAST Janet Oles LC Classic | |
| 384 | Gage Sena | 40.35 | 9 | B Min | BB: 39.79 (+0.56s | 1.4%) | Lamarlins Swim Team, Inc. | 07/12/2025 | 2025 Canon City Pentathlon | |
| 385 | Landon Callaway | 40.36 | 10 | B Min | BB: 39.79 (+0.57s | 1.4%) | Aces Swim Club | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 386 | Calvin Larkin | 40.40 | 8 | B Min | BB: 39.79 (+0.61s | 1.5%) | Bend Swim Club | 06/20/2025 | Bend Swim Club Sun Country Invite | |
| 387 | Bryce Vowinkle | 40.41 | 10 | B Min | BB: 39.79 (+0.62s | 1.5%) | Highlands Ranch Aquatics | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 388 | Ludwik Pawelski | 40.42 | 8 | B Min | BB: 39.79 (+0.63s | 1.6%) | Sparks Piranhas Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 389 | Miles Wood | 40.43 | 7 | B Min | BB: 39.79 (+0.64s | 1.6%) | Dart Swimming | 06/21/2024 | Reno Aquatic Club Gamble | |
| 390 | Christopher Williams | 40.43 | 10 | B Min | BB: 39.79 (+0.64s | 1.6%) | Hilltop Aquatic Swim Team | 07/17/2025 | 2025 UTAGS LC Championships | |
| 391 | Daniel Reschke | 40.44 | 9 | B Min | BB: 39.79 (+0.65s | 1.6%) | Alto Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 392 | Drew Manning | 40.44 | 9 | B Min | BB: 39.79 (+0.65s | 1.6%) | Clovis Swim Club | 06/22/2024 | 2024 FDST June A B Modified LC Invitational | |
| 393 | Keller Kirkpatrick | 40.44 | 8 | B Min | BB: 39.79 (+0.65s | 1.6%) | Lake Oswego Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 394 | Daniel Reschke | 40.45 | 9 | B Min | BB: 39.79 (+0.66s | 1.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 395 | Benjamin Li | 40.45 | 10 | B Min | BB: 39.79 (+0.66s | 1.6%) | Seattle Metropolitan Aquatic C | 05/02/2025 | 2025 THSC Spring Invitational | |
| 396 | Leo Ioffe | 40.47 | 9 | B Min | BB: 39.79 (+0.68s | 1.7%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 397 | Johnathan Wang | 40.48 | 8 | B Min | BB: 39.79 (+0.69s | 1.7%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 398 | Jay Dai | 40.48 | 10 | B Min | BB: 39.79 (+0.69s | 1.7%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 399 | Calder Brelsford-La Badie | 40.50 | 8 | B Min | BB: 39.79 (+0.71s | 1.8%) | Bainbridge Island Swim Club | 05/02/2025 | 2025 PN BC May Flowers | |
| 400 | Moses Wang | 40.51 | 9 | B Min | BB: 39.79 (+0.72s | 1.8%) | Bainbridge Island Swim Club | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
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.