Western Zone Zone Boys 10 & under - 50 Y 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 | Rain Liu | 32.25 | 10 | BB Min | A: 31.09 (+1.16s | 3.6%) | Rancho San Dieguito | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 352 | Moses Xia | 32.25 | 10 | BB Min | A: 31.09 (+1.16s | 3.6%) | Wasc | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 353 | Archer Klosterman | 32.26 | 10 | BB Min | A: 31.09 (+1.17s | 3.6%) | Aurora Swim Team | 11/21/2025 | NLSC Sprint Classic | |
| 354 | Gavin Yang | 32.26 | 10 | BB Min | A: 31.09 (+1.17s | 3.6%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 355 | Henry Sundberg | 32.26 | 8 | BB Min | A: 31.09 (+1.17s | 3.6%) | North Bay Aquatics | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 356 | Nicholas Mosendz | 32.26 | 10 | BB Min | A: 31.09 (+1.17s | 3.6%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 357 | Sylas York | 32.27 | 10 | BB Min | A: 31.09 (+1.18s | 3.7%) | San Clemente Aquatic Team | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 358 | Dylan Briley | 32.27 | 10 | BB Min | A: 31.09 (+1.18s | 3.7%) | Northern Lights Swim Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 359 | Evan Wang | 32.27 | 9 | BB Min | A: 31.09 (+1.18s | 3.7%) | Rose Bowl Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 360 | Lathan Su | 32.30 | 10 | BB Min | A: 31.09 (+1.21s | 3.7%) | Arcadia Riptides Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 361 | Jed El Abed | 32.30 | 10 | BB Min | A: 31.09 (+1.21s | 3.7%) | H2o Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 362 | HanJun Zhang | 32.31 | 10 | BB Min | A: 31.09 (+1.22s | 3.8%) | Wasc | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 363 | Noble Rickstrew | 32.31 | 10 | BB Min | A: 31.09 (+1.22s | 3.8%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 364 | Beckham Sleeth | 32.31 | 9 | BB Min | A: 31.09 (+1.22s | 3.8%) | Highlands Ranch Aquatics | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 365 | Nathaniel Mutuc | 32.33 | 9 | BB Min | A: 31.09 (+1.24s | 3.8%) | Kentridge | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 366 | Elliott Boland | 32.34 | 10 | BB Min | A: 31.09 (+1.25s | 3.9%) | Academy Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 367 | Garrett Legg | 32.34 | 8 | BB Min | A: 31.09 (+1.25s | 3.9%) | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | |
| 368 | Ahmet Okyay | 32.36 | 10 | BB Min | A: 31.09 (+1.27s | 3.9%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 369 | Oliver Ngo | 32.36 | 10 | B Min | BB: 30.49 (+1.87s | 5.8%) | MAX Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 370 | Cayden Lin | 32.37 | 10 | BB Min | A: 31.09 (+1.28s | 4.0%) | Rosemead Rapids | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 371 | Chase Witt | 32.38 | 10 | BB Min | A: 31.09 (+1.29s | 4.0%) | Gold\\\\\\'s Aquatics Club (Camas) | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 372 | Emery Martyn | 32.39 | 9 | BB Min | A: 31.09 (+1.30s | 4.0%) | Clackamas | 02/13/2026 | 2026 OR HS 6A 4 | |
| 373 | Phillippe Choi | 32.39 | 10 | BB Min | A: 31.09 (+1.30s | 4.0%) | Blast Sharks | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 374 | Joshua Vitale | 32.39 | 10 | BB Min | A: 31.09 (+1.30s | 4.0%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 375 | Uriah Sanchez | 32.39 | 10 | BB Min | A: 31.09 (+1.30s | 4.0%) | Rocky Mountain Rapids | 02/13/2026 | 2026 CO Rapids Championship Kick Off | |
| 376 | Erik Shabdanov | 32.40 | 8 | BB Min | A: 31.09 (+1.31s | 4.0%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 377 | Marcus Lin | 32.40 | 9 | BB Min | A: 31.09 (+1.31s | 4.0%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 378 | Emilio Balcazar | 32.41 | 10 | BB Min | A: 31.09 (+1.32s | 4.1%) | Centro Acuatico Universitario | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 379 | Adrian Pascu | 32.41 | 9 | BB Min | A: 31.09 (+1.32s | 4.1%) | Gold\\\\\\'s Aquatics Club (Camas) | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 380 | Matthew McNeilly | 32.42 | 9 | BB Min | A: 31.09 (+1.33s | 4.1%) | CAC Stingrays Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 381 | Kaimana Hashimoto | 32.42 | 10 | BB Min | A: 31.09 (+1.33s | 4.1%) | Splash Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 382 | Daniel Reschke | 32.43 | 10 | BB Min | A: 31.09 (+1.34s | 4.1%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 383 | Amar Alwattar | 32.43 | 10 | BB Min | A: 31.09 (+1.34s | 4.1%) | Montclair Swim Team | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 384 | David Grant | 32.43 | 10 | BB Min | A: 31.09 (+1.34s | 4.1%) | Fort Collins Area Swim Team | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | |
| 385 | Eamon Balch | 32.44 | 10 | BB Min | A: 31.09 (+1.35s | 4.2%) | La Mirada Armada | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 386 | Brayden Nguyen | 32.44 | 10 | BB Min | A: 31.09 (+1.35s | 4.2%) | San Jose Goosemonkeys | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 387 | Alexander Rich | 32.44 | 10 | BB Min | A: 31.09 (+1.35s | 4.2%) | Maverick Aquatics | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 388 | Peter Hofman | 32.45 | 10 | BB Min | A: 31.09 (+1.36s | 4.2%) | Cascade Swim Club | 04/18/2026 | 2026 PN MMSC Marlins Madness Approved | |
| 389 | Stewart Bye | 32.45 | 10 | BB Min | A: 31.09 (+1.36s | 4.2%) | Corvallis Aquatic Team | 03/14/2026 | 2026 CAT Spring Invite | |
| 390 | Isaiah Siress | 32.46 | 10 | BB Min | A: 31.09 (+1.37s | 4.2%) | Tucson Ford Dealers Aquatics | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 391 | Bo Cunningham | 32.46 | 10 | BB Min | A: 31.09 (+1.37s | 4.2%) | North Jeffco Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 392 | Mason Li | 32.48 | 10 | BB Min | A: 31.09 (+1.39s | 4.3%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 393 | Evan Tomizawa | 32.49 | 10 | BB Min | A: 31.09 (+1.40s | 4.3%) | Kamehameha Swim Club | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 394 | Ethan Wang | 32.51 | 9 | BB Min | A: 31.09 (+1.42s | 4.4%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 395 | Nicholas Brumaru | 32.52 | 10 | BB Min | A: 31.09 (+1.43s | 4.4%) | Olympic Cascade Aquatics | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 396 | Emory Hulslander | 32.52 | 10 | BB Min | A: 31.09 (+1.43s | 4.4%) | Aces Swim Club | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 397 | Daniel Kalinovski | 32.53 | 10 | BB Min | A: 31.09 (+1.44s | 4.4%) | Otter Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 398 | Henry Reed | 32.53 | 9 | BB Min | A: 31.09 (+1.44s | 4.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 399 | Mark Chechuy | 32.53 | 10 | BB Min | A: 31.09 (+1.44s | 4.4%) | South Orange County Aquatics | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 400 | Luke Wang | 32.53 | 9 | BB Min | A: 31.09 (+1.44s | 4.4%) | Flatiron Athletic Club | 02/27/2026 | 2026 CO CSI SC Age Group 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.