Western Zone Zone Boys 10 & under - 50 Y Back
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 | Jimmy Chen | 40.22 | 9 | BB Min | A: 37.59 (+2.63s | 6.5%) | Monterey Park Manta Rays | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 402 | Abir Patowary | 40.22 | 10 | BB Min | A: 37.59 (+2.63s | 6.5%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 403 | Oliver Morris | 40.23 | 9 | BB Min | A: 37.59 (+2.64s | 6.6%) | Lake Oswego Swim Club | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 404 | Maxwell Rosensweet | 40.23 | 10 | BB Min | A: 37.59 (+2.64s | 6.6%) | Bay Club Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 405 | Jake McNair | 40.24 | 9 | BB Min | A: 37.59 (+2.65s | 6.6%) | Bellevue Club Swim Team | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 406 | Kian Bryson | 40.25 | 10 | BB Min | A: 37.59 (+2.66s | 6.6%) | Lake Oswego Swim Club | 10/18/2025 | 2025 LOSC October Intrasquad | |
| 407 | Ico Tamayo | 40.25 | 9 | BB Min | A: 37.59 (+2.66s | 6.6%) | Cali Piranha Swim Team | 04/11/2026 | 2026 SI FAST BC All Ages | |
| 408 | Charlie Chung | 40.26 | 9 | BB Min | A: 37.59 (+2.67s | 6.6%) | Trident Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 409 | Jack Farnsworth | 40.27 | 10 | BB Min | A: 37.59 (+2.68s | 6.7%) | Aces Swim Club | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 410 | Matthew Kosov | 40.29 | 9 | BB Min | A: 37.59 (+2.70s | 6.7%) | Bay Club Aquatics | 02/21/2026 | 2026 SI JBST Age Group Champs Max | |
| 411 | Kais Esmail | 40.30 | 10 | BB Min | A: 37.59 (+2.71s | 6.7%) | Bellingham Bay Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 412 | Elias Lien | 40.31 | 8 | BB Min | A: 37.59 (+2.72s | 6.7%) | Santa Clara Swim Club | 09/27/2025 | 2025 MAC Season Kick Off | |
| 413 | Gabriel Dom | 40.31 | 10 | BB Min | A: 37.59 (+2.72s | 6.7%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 414 | William Jiang | 40.32 | 8 | BB Min | A: 37.59 (+2.73s | 6.8%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 415 | Connor Wu | 40.34 | 9 | BB Min | A: 37.59 (+2.75s | 6.8%) | Cascade Swim Club | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 416 | Wylee Towner-DeMoe | 40.35 | 10 | BB Min | A: 37.59 (+2.76s | 6.8%) | Team Eugene Aquatics | 08/01/2026 | 2026 Mallard Nation Invitational | |
| 417 | John Asher | 40.35 | 10 | BB Min | A: 37.59 (+2.76s | 6.8%) | North Coast Aquatics | 10/17/2026 | 2026 SI RSD All Ages NTS Meet | |
| 418 | Aiden Novin | 40.36 | 9 | BB Min | A: 37.59 (+2.77s | 6.9%) | The Claremont Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 419 | Noah Chang | 40.38 | 9 | BB Min | A: 37.59 (+2.79s | 6.9%) | North Coast Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 420 | Evan Wang | 40.38 | 9 | BB Min | A: 37.59 (+2.79s | 6.9%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 421 | Paxton Padilla | 40.38 | 9 | BB Min | A: 37.59 (+2.79s | 6.9%) | Pueblo County Swim Team | 07/11/2026 | 2026 CO Canon City Swim Meet | |
| 422 | Jun Lin | 40.39 | 8 | BB Min | A: 37.59 (+2.80s | 6.9%) | Seattle Metropolitan Aquatic C | 10/10/2026 | 2026 PN SMAC Fall Kick Off Approved | |
| 423 | Maksim Boklin | 40.40 | 9 | BB Min | A: 37.59 (+2.81s | 7.0%) | Unattached | 03/06/2026 | 2026 SNS 14 Under Short Course Championships | |
| 424 | Aiden Huang | 40.41 | 10 | BB Min | A: 37.59 (+2.82s | 7.0%) | DeAnza Cupertino Aquatics | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 425 | Ryan Hu | 40.43 | 9 | BB Min | A: 37.59 (+2.84s | 7.0%) | Wave Aquatics | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 426 | Samuel Renko | 40.44 | 9 | BB Min | A: 37.59 (+2.85s | 7.0%) | Wasatch Front Fish Market | 12/29/2025 | 60th Kearns Holiday Open Invitational | |
| 427 | Ezekiel Beyer | 40.44 | 10 | BB Min | A: 37.59 (+2.85s | 7.0%) | Swim Dogs | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 428 | Aiden Mao | 40.45 | 10 | BB Min | A: 37.59 (+2.86s | 7.1%) | Pacific Dragons Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 429 | Jeremiah Lee | 40.46 | 10 | BB Min | A: 37.59 (+2.87s | 7.1%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 430 | Ronan MurdockPerriera | 40.48 | 10 | BB Min | A: 37.59 (+2.89s | 7.1%) | AC Swim Club | 07/25/2026 | 2026 REAL Championships | |
| 431 | James Tyrrell | 40.49 | 9 | BB Min | A: 37.59 (+2.90s | 7.2%) | Capital City Athletics | 01/16/2026 | 2026 CO CUDA Classic | |
| 432 | Bennett Kohlmeyer | 40.50 | 10 | BB Min | A: 37.59 (+2.91s | 7.2%) | Life Time Colorado Swim Club | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 433 | Marcus Nguyen | 40.50 | 10 | BB Min | A: 37.59 (+2.91s | 7.2%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 434 | Derek Zhu | 40.52 | 10 | BB Min | A: 37.59 (+2.93s | 7.2%) | Chinook Aquatic Club | 03/07/2026 | 2026 PN C March Madness Approved | |
| 435 | Ahaan Maknojia | 40.53 | 10 | BB Min | A: 37.59 (+2.94s | 7.3%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 436 | Asher Cariazo | 40.56 | 10 | BB Min | A: 37.59 (+2.97s | 7.3%) | Montrose Marlins Swim Club | 09/26/2026 | 2026 CO Steamboat Fall Invitational | |
| 437 | Jackson Porter | 40.56 | 10 | BB Min | A: 37.59 (+2.97s | 7.3%) | Stingray Swim Team | 10/17/2026 | 2026 PN MMSC Fall Invite Approved | |
| 438 | Darryl Davis | 40.58 | 9 | BB Min | A: 37.59 (+2.99s | 7.4%) | Pueblo County Swim Team | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 439 | Julius Voigt | 40.59 | 10 | BB Min | A: 37.59 (+3.00s | 7.4%) | Island Aquatics | 09/26/2026 | 2026 MAGSA SCY B 1 Swim Meet | |
| 440 | Paton Sawyer | 40.59 | 9 | BB Min | A: 37.59 (+3.00s | 7.4%) | Bellingham Bay Swim Team | 10/24/2026 | 2026 PN TAC Fall Thunderbird Open Approved | |
| 441 | Joseph Leach | 40.59 | 10 | BB Min | A: 37.59 (+3.00s | 7.4%) | Highlands Ranch Aquatics | 09/11/2026 | 2026 CO Friday Night At The Races | |
| 442 | Christopher Roeder | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | Aspen Swim Club | 05/03/2026 | 2026 CO Montrose Mini Sprint Meet | |
| 443 | Ahaan Iragavarapu | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | Bayclub Aquatic Swim Team | 10/10/2026 | 2026 PN SMAC Fall Kick Off Approved | |
| 444 | Bradley Royce | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | Highlands Ranch Aquatics | 09/11/2026 | 2026 CO Friday Night At The Races | |
| 445 | Wesley Lang | 40.62 | 9 | BB Min | A: 37.59 (+3.03s | 7.5%) | River Road Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 446 | Declan Becker | 40.64 | 9 | BB Min | A: 37.59 (+3.05s | 7.5%) | Woodbridge Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 447 | Miles VanderLinden | 40.64 | 10 | BB Min | A: 37.59 (+3.05s | 7.5%) | Truckee-Tahoe Swim Team | 10/16/2026 | 2026 KING OF THE HILL CHALLENGE | |
| 448 | Donovan Di Loreto | 40.66 | 10 | BB Min | A: 37.59 (+3.07s | 7.6%) | Carson Tigersharks | 10/16/2026 | 2026 KING OF THE HILL CHALLENGE | |
| 449 | Theodore Carpenter | 40.68 | 10 | BB Min | A: 37.59 (+3.09s | 7.6%) | COSA Swimming | 01/02/2026 | 2026 CO COSA New Year Open | |
| 450 | Leland Tsou | 40.68 | 10 | BB Min | A: 37.59 (+3.09s | 7.6%) | Paseo Aquatics Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group 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.