Western Zone Zone Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Christopher Navarro | 43.70 | 10 | BB Min | A: 42.09 (+1.61s | 3.7%) | Kamehameha Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 302 | Blaze Garcia | 43.73 | 10 | BB Min | A: 42.09 (+1.64s | 3.8%) | Pueblo County Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 303 | Tucker McCullough | 43.73 | 10 | BB Min | A: 42.09 (+1.64s | 3.8%) | Team Rebel Aquatics | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 304 | Enzo Lin | 43.74 | 10 | BB Min | A: 42.09 (+1.65s | 3.8%) | Splash Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 305 | Benjamin Barco Foster | 43.83 | 9 | BB Min | A: 42.09 (+1.74s | 4.0%) | Portland Aquatic Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 306 | Deniz Gokbulut | 43.83 | 10 | BB Min | A: 42.09 (+1.74s | 4.0%) | Pro Swimming | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 307 | Carlyle Hartline | 43.84 | 10 | BB Min | A: 42.09 (+1.75s | 4.0%) | Multnomah Athletic Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 308 | Kavan Manshadi | 43.86 | 10 | BB Min | A: 42.09 (+1.77s | 4.0%) | Aquawolves Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 309 | Kai Kennedy | 43.86 | 10 | BB Min | A: 42.09 (+1.77s | 4.0%) | Academy Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 310 | Ethan Zhang | 43.87 | 8 | BB Min | A: 42.09 (+1.78s | 4.1%) | Vacaville Swim Club | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 311 | Daniel Platon | 43.87 | 10 | BB Min | A: 42.09 (+1.78s | 4.1%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 312 | Branimir Petkov | 43.87 | 9 | BB Min | A: 42.09 (+1.78s | 4.1%) | Evolution Racing Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 313 | Jayden Huang | 43.89 | 10 | BB Min | A: 42.09 (+1.80s | 4.1%) | Harbor Aquatics Club | 12/12/2025 | 2025 PN 14 Under Short Course Champs Approved | |
| 314 | Miles Kavanaugh | 43.91 | 10 | BB Min | A: 42.09 (+1.82s | 4.1%) | University Place Aquatic Club | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | |
| 315 | Oliver Brock | 43.93 | 10 | BB Min | A: 42.09 (+1.84s | 4.2%) | Sierra Marlins Swim Team | 12/21/2024 | 2024 SI Winter Age Group Championships | |
| 316 | Basil Erickson | 43.94 | 10 | BB Min | A: 42.09 (+1.85s | 4.2%) | Excel Aquatics | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 317 | Daniel Kalinovski | 43.96 | 10 | BB Min | A: 42.09 (+1.87s | 4.3%) | Otter Swim Club | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 318 | Isaiah Fadillah | 43.97 | 10 | BB Min | A: 42.09 (+1.88s | 4.3%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 319 | Tripp Liberman | 43.98 | 10 | BB Min | A: 42.09 (+1.89s | 4.3%) | Rocky Mountain Rapids | 11/21/2025 | 2025 RAFC Almost Turkey Invitational | |
| 320 | Elias Lien | 44.00 | 8 | BB Min | A: 42.09 (+1.91s | 4.3%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 321 | Jay Dai | 44.01 | 10 | BB Min | A: 42.09 (+1.92s | 4.4%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 322 | Norman Glauberman | 44.03 | 10 | BB Min | A: 42.09 (+1.94s | 4.4%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 323 | Luca Desset | 44.04 | 10 | BB Min | A: 42.09 (+1.95s | 4.4%) | Kona Aquatics Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 324 | Penghao Yu | 44.04 | 10 | BB Min | A: 42.09 (+1.95s | 4.4%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 325 | Vinh Bui | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Excel Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 326 | Charles Webb | 44.06 | 10 | BB Min | A: 42.09 (+1.97s | 4.5%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 327 | Aiden Chung | 44.08 | 10 | BB Min | A: 42.09 (+1.99s | 4.5%) | Patriot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 328 | Elliott Lindley | 44.10 | 9 | BB Min | A: 42.09 (+2.01s | 4.6%) | Los Altos Mountain View Aquati | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 329 | Ethan Zhu | 44.19 | 10 | BB Min | A: 42.09 (+2.10s | 4.8%) | DeAnza Cupertino Aquatics | 12/06/2025 | Alto Dec 6 7 CBA | |
| 330 | Minjun Park | 44.21 | 10 | BB Min | A: 42.09 (+2.12s | 4.8%) | Chinook Aquatic Club | 03/07/2026 | 2026 PN C March Madness Approved | |
| 331 | Teddy Nichols | 44.22 | 10 | BB Min | A: 42.09 (+2.13s | 4.8%) | Seals Aquatics | 11/08/2025 | TCA PC November SC C B A+ | |
| 332 | Lincoln Miyake | 44.23 | 10 | BB Min | A: 42.09 (+2.14s | 4.8%) | Canyons Aquatic Club | 12/06/2025 | 2025 CA CANY Candy Cane | |
| 333 | Daniel Crabbe | 44.23 | 10 | BB Min | A: 42.09 (+2.14s | 4.8%) | Manoa Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 334 | Landon Noble | 44.23 | 9 | BB Min | A: 42.09 (+2.14s | 4.8%) | Highlands Ranch Aquatics | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 335 | Chayton Zhou | 44.24 | 9 | BB Min | A: 42.09 (+2.15s | 4.9%) | Pleasanton Seahawks | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 336 | Nicholas Mosendz | 44.26 | 9 | BB Min | A: 42.09 (+2.17s | 4.9%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 337 | Gregory Lee | 44.27 | 10 | BB Min | A: 42.09 (+2.18s | 4.9%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 338 | Thomas Sedano | 44.28 | 10 | BB Min | A: 42.09 (+2.19s | 4.9%) | Monterey Bay Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 339 | Andrew Xie | 44.29 | 10 | BB Min | A: 42.09 (+2.20s | 5.0%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 340 | Ryan Koh | 44.29 | 10 | BB Min | A: 42.09 (+2.20s | 5.0%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 341 | Arlo Holland | 44.31 | 10 | BB Min | A: 42.09 (+2.22s | 5.0%) | Excel Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 342 | Vihaan Alapati | 44.32 | 10 | BB Min | A: 42.09 (+2.23s | 5.0%) | Tualatin Hills Swim Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 343 | John Griswold | 44.33 | 10 | BB Min | A: 42.09 (+2.24s | 5.1%) | Alameda Gators | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 344 | Zicheng Wang | 44.35 | 10 | BB Min | A: 42.09 (+2.26s | 5.1%) | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 345 | Bryce Gardin | 44.38 | 10 | BB Min | A: 42.09 (+2.29s | 5.2%) | California Capital Aquatics | 02/14/2025 | 2025 Neptune Swimming Invitational | |
| 346 | Christian Hernandez | 44.38 | 10 | BB Min | A: 42.09 (+2.29s | 5.2%) | Walnut Creek Aquabears | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 347 | Caleb Taussig | 44.40 | 9 | BB Min | A: 42.09 (+2.31s | 5.2%) | Denver Swim Academy | 01/02/2026 | 2026 CO COSA New Year Open | |
| 348 | Ben Kraft | 44.41 | 10 | BB Min | A: 42.09 (+2.32s | 5.2%) | Excel Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 349 | Bennet Kelly | 44.42 | 10 | BB Min | A: 42.09 (+2.33s | 5.2%) | Gold Medal Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 350 | Caleb Pan | 44.42 | 10 | BB Min | A: 42.09 (+2.33s | 5.2%) | West Coast Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
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.