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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Chase Corda | 46.50 | 10 | BB Min | A: 42.09 (+4.41s | 9.5%) | Walnut Creek Aquabears | 12/14/2024 | Richard Thorntorn Memorial Meet SCY CBBB+ | |
| 402 | Hudson Porter | 46.53 | 10 | BB Min | A: 42.09 (+4.44s | 9.5%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 403 | Octavio Bejarano Barraza | 46.54 | 10 | BB Min | A: 42.09 (+4.45s | 9.6%) | Centro Acuatico Universitario | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 404 | Shane Kirkwood | 46.54 | 10 | BB Min | A: 42.09 (+4.45s | 9.6%) | Lake Oswego Swim Club | 12/13/2025 | 2025 OR HEAT Winter Invitational | |
| 405 | Quintus Cheung | 46.55 | 8 | BB Min | A: 42.09 (+4.46s | 9.6%) | Milpitas Aquatic Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 406 | Isaiah Siress | 46.55 | 10 | BB Min | A: 42.09 (+4.46s | 9.6%) | Tucson Ford Dealers Aquatics | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 407 | Kaito Kinnaird | 46.58 | 10 | BB Min | A: 42.09 (+4.49s | 9.6%) | Excel Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 408 | Zachary DeLozier | 46.59 | 9 | BB Min | A: 42.09 (+4.50s | 9.7%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 409 | Zen Hein | 46.61 | 10 | BB Min | A: 42.09 (+4.52s | 9.7%) | Fog City Hammerheads | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 410 | Marcus Jensen | 46.63 | 10 | BB Min | A: 42.09 (+4.54s | 9.7%) | Voltage Aquatics | 10/25/2025 | Spook Splash 2025 | |
| 411 | Chase Witt | 46.63 | 10 | BB Min | A: 42.09 (+4.54s | 9.7%) | Gold\\\\\\'s Aquatics Club (Camas) | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 412 | Blake Baisch | 46.66 | 9 | BB Min | A: 42.09 (+4.57s | 9.8%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 413 | Sourish Annam | 46.66 | 10 | BB Min | A: 42.09 (+4.57s | 9.8%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | |
| 414 | Waylon Merchant | 46.68 | 10 | BB Min | A: 42.09 (+4.59s | 9.8%) | Fort Collins Area Swim Team | 07/09/2026 | 2026 CO NCS 10 U Summer Festival | |
| 415 | Kai Vo | 46.68 | 9 | BB Min | A: 42.09 (+4.59s | 9.8%) | Splash Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 416 | Darryl Davis | 46.68 | 9 | BB Min | A: 42.09 (+4.59s | 9.8%) | Pueblo County Swim Team | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 417 | Ethan Gao | 46.69 | 10 | BB Min | A: 42.09 (+4.60s | 9.9%) | California Dolphins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 418 | Mikhail Lagzdin | 46.70 | 9 | BB Min | A: 42.09 (+4.61s | 9.9%) | Olympic Cascade Aquatics | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 419 | Shaler Berry | 46.71 | 10 | BB Min | A: 42.09 (+4.62s | 9.9%) | Heartland Swim Assoc | 10/04/2025 | 2025 SI CAST Pentathlon 14 U Copied | |
| 420 | Dresden Ramirez | 46.71 | 10 | BB Min | A: 42.09 (+4.62s | 9.9%) | Legacy Aquatics | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 421 | Mason Verwers | 46.71 | 9 | BB Min | A: 42.09 (+4.62s | 9.9%) | Unattached | 03/06/2026 | 2026 CO 14 U Silver State | |
| 422 | Julius Voigt | 46.72 | 10 | BB Min | A: 42.09 (+4.63s | 9.9%) | Island Aquatics | 02/07/2026 | 2026 MAGSA A B SCY LAST CHANCE MEET | |
| 423 | Kai Chen | 46.76 | 10 | BB Min | A: 42.09 (+4.67s | 10.0%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 424 | Isaac Marcuson | 46.77 | 10 | BB Min | A: 42.09 (+4.68s | 10.0%) | Aspire Aquatics of Colorado | 03/06/2026 | 2026 CO 14 U Silver State | |
| 425 | Grayson Li | 46.77 | 10 | BB Min | A: 42.09 (+4.68s | 10.0%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 426 | Connor Li | 46.77 | 9 | BB Min | A: 42.09 (+4.68s | 10.0%) | Pacific Dragons Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 427 | Bo Cunningham | 46.80 | 10 | BB Min | A: 42.09 (+4.71s | 10.1%) | North Jeffco Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 428 | Piradon Pukrittayakamee | 46.81 | 9 | BB Min | A: 42.09 (+4.72s | 10.1%) | California Dolphins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 429 | Theodore Carpenter | 46.83 | 10 | BB Min | A: 42.09 (+4.74s | 10.1%) | COSA Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 430 | Benjamin Anzenberg | 46.83 | 9 | BB Min | A: 42.09 (+4.74s | 10.1%) | Piedmont Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 431 | Charles Wright | 46.84 | 10 | BB Min | A: 42.09 (+4.75s | 10.1%) | Montrose Marlins Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 432 | Lincoln Yrizarry | 46.87 | 10 | BB Min | A: 42.09 (+4.78s | 10.2%) | Iolani Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 433 | Finnegan Persampieri | 46.88 | 10 | BB Min | A: 42.09 (+4.79s | 10.2%) | Otter Swim Club | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 434 | Shuyi Tan | 46.88 | 9 | BB Min | A: 42.09 (+4.79s | 10.2%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 435 | Ryden Ciammaichella | 46.88 | 9 | BB Min | A: 42.09 (+4.79s | 10.2%) | Piedmont Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 436 | Bruce Chou | 46.93 | 10 | B: 43.49 (+3.44s | 7.3%) | Jbarracudas Swim Team | 05/03/2026 | 2026 SI BAY 14U Rising Stars 1 | ||
| 437 | Joshua Plant | 46.94 | 9 | BB Min | A: 42.09 (+4.85s | 10.3%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 438 | Kade Sisson | 46.94 | 9 | BB Min | A: 42.09 (+4.85s | 10.3%) | Northern Colorado Swim Club | 01/16/2026 | 2026 CO CUDA Classic | |
| 439 | Ian Lu | 46.97 | 10 | BB Min | A: 42.09 (+4.88s | 10.4%) | YMCA of Snohomish County Barra | 04/18/2026 | 2026 PN MMSC Marlins Madness Approved | |
| 440 | Levi Garay | 46.97 | 10 | BB Min | A: 42.09 (+4.88s | 10.4%) | Fontana Aquatics Club | 12/04/2025 | 2025 Holiday Swim Festival | |
| 441 | Diego Pisoni | 46.98 | 9 | BB Min | A: 42.09 (+4.89s | 10.4%) | Neptune Swimming | 07/25/2026 | 2026 REAL Championships | |
| 442 | Jeremy Pei | 46.99 | 10 | BB Min | A: 42.09 (+4.90s | 10.4%) | Columbia River Swim Team | 10/17/2025 | 2025 CST Harvest Open | |
| 443 | Vincent Nan | 47.00 | 10 | BB Min | A: 42.09 (+4.91s | 10.4%) | Pacific Dragons Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 444 | Ezio Ubaldi | 47.01 | 10 | BB Min | A: 42.09 (+4.92s | 10.5%) | Beach Cities Alpha | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 445 | Paton Sawyer | 47.03 | 9 | BB Min | A: 42.09 (+4.94s | 10.5%) | Bellingham Bay Swim Team | 07/11/2026 | 2026 BBST Final Summer Splash Invite Approved | |
| 446 | Ahaan Maknojia | 47.04 | 9 | BB Min | A: 42.09 (+4.95s | 10.5%) | Issaquah Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 447 | Lucas Hernandez | 47.04 | 10 | BB Min | A: 42.09 (+4.95s | 10.5%) | Bellevue Club Swim Team | 11/07/2025 | 2025 THSC November Open | |
| 448 | Raizo Copp | 47.07 | 10 | BB Min | A: 42.09 (+4.98s | 10.6%) | King Aquatic Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 449 | Cash Bailey | 47.07 | 10 | BB Min | A: 42.09 (+4.98s | 10.6%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 450 | Graham Brinker | 47.07 | 9 | BB Min | A: 42.09 (+4.98s | 10.6%) | Star Aquatics | 10/03/2025 | 2025 STAR September Friday Night At The Races | |
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.