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 | |
|---|---|---|---|---|---|---|---|---|---|
| 551 | Luca Tricano | 40.39 | 10 | BB Min | A: 37.59 (+2.80s | 6.9%) | Golden West Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 552 | Oleksandr Yaroshyk | 40.39 | 10 | BB Min | A: 37.59 (+2.80s | 6.9%) | Valley Aquatics | 04/26/2025 | 2025 PN UPAC Mark Olson Invitational | |
| 553 | Joshua Wheaton | 40.40 | 10 | BB Min | A: 37.59 (+2.81s | 7.0%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 554 | Noah Aylesworth | 40.41 | 10 | BB Min | A: 37.59 (+2.82s | 7.0%) | Wind N Sea Swim Team | 02/21/2026 | 2026 SI JBST Age Group Champs Max | |
| 555 | Archie McCallum | 40.42 | 7 | BB Min | A: 37.59 (+2.83s | 7.0%) | Poseidon Aquatic Club | 11/22/2025 | 2025 PN November AGI, Div 3 (UPAC) | |
| 556 | Alex Joy | 40.42 | 10 | BB Min | A: 37.59 (+2.83s | 7.0%) | Los Altos Mountain View Aquati | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 557 | 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 | |
| 558 | Henry Kyles | 40.46 | 9 | BB Min | A: 37.59 (+2.87s | 7.1%) | Bellingham Bay Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 559 | Jeremy Zhao | 40.46 | 9 | BB Min | A: 37.59 (+2.87s | 7.1%) | Quicksilver Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 560 | Kawika Cox | 40.49 | 10 | BB Min | A: 37.59 (+2.90s | 7.2%) | Kamehameha Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 561 | James Tyrrell | 40.49 | 9 | BB Min | A: 37.59 (+2.90s | 7.2%) | Capital City Athletics | 01/16/2026 | 2026 CO CUDA Classic | |
| 562 | Christopher Williams | 40.49 | 10 | BB Min | A: 37.59 (+2.90s | 7.2%) | Hilltop Aquatic Swim Team | 11/14/2025 | 2025 UT HAST Fall Back Bash | |
| 563 | Dallas Wilson | 40.49 | 9 | BB Min | A: 37.59 (+2.90s | 7.2%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 564 | Vincent Xie | 40.50 | 10 | BB Min | A: 37.59 (+2.91s | 7.2%) | Beaverton Area Aquatics Club | 10/18/2024 | 2024 THSC Fall Invitational | |
| 565 | 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 | |
| 566 | Cooper Dickie | 40.50 | 10 | BB Min | A: 37.59 (+2.91s | 7.2%) | Seattle Metropolitan Aquatic C | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | |
| 567 | 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 | |
| 568 | Matthew Caldwell | 40.52 | 10 | BB Min | A: 37.59 (+2.93s | 7.2%) | Univ. of Denver Hilltoppers | 03/06/2026 | 2026 CO 14 U Silver State | |
| 569 | Young Sun | 40.52 | 9 | BB Min | A: 37.59 (+2.93s | 7.2%) | Pro Swimming | 03/06/2026 | 2026 PN PRO March Last Chance Intra Apprived | |
| 570 | Derek Zhu | 40.52 | 9 | BB Min | A: 37.59 (+2.93s | 7.2%) | Chinook Aquatic Club | 03/07/2026 | 2026 PN C March Madness Approved | |
| 571 | Ahaan Maknojia | 40.53 | 9 | BB Min | A: 37.59 (+2.94s | 7.3%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 572 | Ryan Chen | 40.53 | 10 | BB Min | A: 37.59 (+2.94s | 7.3%) | DeAnza Cupertino Aquatics | 03/28/2026 | LAMV C B A+ Meet | |
| 573 | Matthew Castaneda | 40.54 | 10 | BB Min | A: 37.59 (+2.95s | 7.3%) | Seattle Metropolitan Aquatic C | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 574 | Kensington Hull | 40.55 | 10 | BB Min | A: 37.59 (+2.96s | 7.3%) | Heartland Swim Assoc | 01/17/2026 | 2026 SBA All Ages A BB Meet | |
| 575 | William Foster | 40.55 | 10 | BB Min | A: 37.59 (+2.96s | 7.3%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 576 | Rhys Beyeler-Evans | 40.56 | 10 | BB Min | A: 37.59 (+2.97s | 7.3%) | Piedmont Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 577 | Luke Xu | 40.57 | 10 | BB Min | A: 37.59 (+2.98s | 7.3%) | California Dolphins Swim Team | 12/12/2025 | Winter SC Age Group Championships | |
| 578 | Locke Kane | 40.57 | 9 | BB Min | A: 37.59 (+2.98s | 7.3%) | Lahaina Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 579 | Isak Breckon | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | South Davis Aquatics Team | 11/21/2025 | 2025 MAC Thanksgiving Invitational | |
| 580 | Mahkoah Tanap | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | Quantum Waves Aquatics | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 581 | Lincoln Kelly | 40.59 | 10 | BB Min | A: 37.59 (+3.00s | 7.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 582 | Banyan Villagomez | 40.59 | 10 | BB Min | A: 37.59 (+3.00s | 7.4%) | Humboldt Swim Club | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 583 | Kaleb Luu | 40.61 | 9 | BB Min | A: 37.59 (+3.02s | 7.4%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 584 | 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 | |
| 585 | Nakai LaMere | 40.63 | 10 | BB Min | A: 37.59 (+3.04s | 7.5%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 586 | Daniel Heilman | 40.63 | 10 | BB Min | A: 37.59 (+3.04s | 7.5%) | San Francisco Seals Swim Team | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 587 | Declan Becker | 40.64 | 8 | BB Min | A: 37.59 (+3.05s | 7.5%) | Woodbridge Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 588 | Owen Laidlaw | 40.66 | 8 | BB Min | A: 37.59 (+3.07s | 7.6%) | Island Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 589 | Reid Dixon | 40.66 | 10 | BB Min | A: 37.59 (+3.07s | 7.6%) | SlipStream Aquatics | 03/06/2026 | 2026 CO 14 U Silver State | |
| 590 | Kai Kitamori | 40.67 | 10 | BB Min | A: 37.59 (+3.08s | 7.6%) | East Bay Bat Rays | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 591 | Raizo Copp | 40.68 | 10 | BB Min | A: 37.59 (+3.09s | 7.6%) | King Aquatic Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 592 | 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 | |
| 593 | Leland Tsou | 40.68 | 9 | BB Min | A: 37.59 (+3.09s | 7.6%) | Paseo Aquatics Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 594 | Oliver Panofsky | 40.69 | 9 | BB Min | A: 37.59 (+3.10s | 7.6%) | Slo Swim Club Seahawks | 02/14/2025 | 2025 CCS SCY AGC | |
| 595 | Asher Young | 40.70 | 10 | BB Min | A: 37.59 (+3.11s | 7.6%) | Terrapins Swim Team | 07/26/2025 | Zone 2 Summer Championships | |
| 596 | Ethan Liu | 40.70 | 9 | BB Min | A: 37.59 (+3.11s | 7.6%) | Highlands Ranch Aquatics | 03/13/2026 | Mile High Championship Invitational | |
| 597 | Jacob Cardenas | 40.70 | 10 | BB Min | A: 37.59 (+3.11s | 7.6%) | Pacific Swim | 12/04/2025 | 2025 Holiday Swim Festival | |
| 598 | Ian Susanto | 40.71 | 9 | BB Min | A: 37.59 (+3.12s | 7.7%) | Legacy Aquatics | 12/05/2025 | 2025 Tualatin Hills Holiday Classic | |
| 599 | Blaze Garcia | 40.72 | 10 | BB Min | A: 37.59 (+3.13s | 7.7%) | Pueblo County Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 600 | Elliott Linsmeier | 40.75 | 10 | BB Min | A: 37.59 (+3.16s | 7.8%) | Ramona Swim Team | 03/06/2026 | 2026 SI 14U AGE GRP 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.