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 | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | Miles Edwards | 41.09 | 9 | BB Min | A: 37.59 (+3.50s | 8.5%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 602 | Luke Brophy | 41.12 | 9 | BB Min | A: 37.59 (+3.53s | 8.6%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 603 | Jaxon Mendoza | 41.12 | 9 | BB Min | A: 37.59 (+3.53s | 8.6%) | San Benito Aquatics | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 604 | Landon Cardoso | 41.14 | 10 | BB Min | A: 37.59 (+3.55s | 8.6%) | Montrose Marlins Swim Club | 01/16/2026 | 2026 CO MAValanche Invitational | |
| 605 | Westley Berman | 41.14 | 10 | BB Min | A: 37.59 (+3.55s | 8.6%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | |
| 606 | Milo Lanigan | 41.15 | 10 | BB Min | A: 37.59 (+3.56s | 8.7%) | Pikes Peak Athletics | 01/10/2026 | 2026 CO PPA January Meet | |
| 607 | Daniel Chang | 41.16 | 8 | BB Min | A: 37.59 (+3.57s | 8.7%) | Brea Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 608 | Moses Xia | 41.16 | 9 | BB Min | A: 37.59 (+3.57s | 8.7%) | Wasc | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 609 | Adam Ma | 41.18 | 10 | BB Min | A: 37.59 (+3.59s | 8.7%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 610 | Sebastian Hartline | 41.19 | 10 | BB Min | A: 37.59 (+3.60s | 8.7%) | Multnomah Athletic Club | 10/17/2025 | 2025 THSC Fall Open | |
| 611 | Conrad Tanton | 41.20 | 10 | BB Min | A: 37.59 (+3.61s | 8.8%) | Utah Valley Aquatics | 10/23/2025 | 2025 Mike Harper Open | |
| 612 | Vinh Bui | 41.20 | 9 | BB Min | A: 37.59 (+3.61s | 8.8%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 613 | Evan Tomizawa | 41.21 | 10 | BB Min | A: 37.59 (+3.62s | 8.8%) | Kamehameha Swim Club | 01/18/2026 | January A+ Meet | |
| 614 | Ruslan Kalinnikov | 41.22 | 8 | BB Min | A: 37.59 (+3.63s | 8.8%) | Olympus Aquatics | 12/29/2025 | 60th Kearns Holiday Open Invitational | |
| 615 | Ocea Ferrara | 41.24 | 10 | BB Min | A: 37.59 (+3.65s | 8.9%) | Humboldt Swim Club | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 616 | Solomon Wang | 41.26 | 10 | BB Min | A: 37.59 (+3.67s | 8.9%) | Pacific Swim | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 617 | Ivan Smarshchok | 41.27 | 8 | BB Min | A: 37.59 (+3.68s | 8.9%) | King Aquatic Club | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 618 | Elliott Linsmeier | 41.27 | 9 | BB Min | A: 37.59 (+3.68s | 8.9%) | Ramona Swim Team | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 619 | Jonathan Zou | 41.30 | 10 | BB Min | A: 37.59 (+3.71s | 9.0%) | Lake Oswego Swim Club | 01/28/2026 | 2026 January LOSC Intrasquad | |
| 620 | Anthony Ma | 41.31 | 9 | BB Min | A: 37.59 (+3.72s | 9.0%) | Cottonwood Heights Aquatics | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 621 | Edward Uvejzovic | 41.32 | 9 | BB Min | A: 37.59 (+3.73s | 9.0%) | Olympus Aquatics | 12/13/2025 | 2025 UTAH Winter Classic | |
| 622 | Andrew Corman | 41.32 | 10 | BB Min | A: 37.59 (+3.73s | 9.0%) | Pikes Peak Athletics | 01/10/2026 | 2026 CO PPA January Meet | |
| 623 | Brendan Ma | 41.33 | 9 | BB Min | A: 37.59 (+3.74s | 9.0%) | Orinda Aquatics | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 624 | Ayaan Shaik | 41.36 | 10 | BB Min | A: 37.59 (+3.77s | 9.1%) | Apex | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 625 | Thomas Kyung | 41.36 | 8 | BB Min | A: 37.59 (+3.77s | 9.1%) | Maywood Sparks Swim Team | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 626 | Stuart Shillington | 41.40 | 10 | BB Min | A: 37.59 (+3.81s | 9.2%) | Team Eugene Aquatics | 11/23/2025 | 2025 Dual Meet | |
| 627 | Joon Cha | 41.41 | 9 | BB Min | A: 37.59 (+3.82s | 9.2%) | Sunnyvale Swim Club | 12/12/2025 | Winter SC Age Group Championships | |
| 628 | Samuel Diemert | 41.41 | 9 | BB Min | A: 37.59 (+3.82s | 9.2%) | Mission Aurora Colorado Swimmi | 01/03/2026 | 2026 CO MACS Winter Invitationak | |
| 629 | Gavin Yang | 41.41 | 10 | BB Min | A: 37.59 (+3.82s | 9.2%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 630 | Conner Koning | 41.42 | 10 | BB Min | A: 37.59 (+3.83s | 9.2%) | Unattached | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 631 | Adelynn Spurlin | 41.43 | 10 | BB Min | A: 37.59 (+3.84s | 9.3%) | North Jeffco Swim Team | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 632 | Ethan Holmgren | 41.44 | 10 | BB Min | A: 37.59 (+3.85s | 9.3%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 633 | Vincent Yue | 41.44 | 10 | BB Min | A: 37.59 (+3.85s | 9.3%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 634 | Felix Wang | 41.44 | 9 | BB Min | A: 37.59 (+3.85s | 9.3%) | Eastside Aquatic Swim Team | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 635 | Yong-Jun Yu | 41.44 | 10 | BB Min | A: 37.59 (+3.85s | 9.3%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 636 | Cy Cooper | 41.44 | 10 | BB Min | A: 37.59 (+3.85s | 9.3%) | Kamehameha Swim Club | 11/09/2025 | OSL A+ SCY Meet | |
| 637 | Alan Li | 41.45 | 10 | BB Min | A: 37.59 (+3.86s | 9.3%) | Tualatin Hills Swim Club | 02/06/2026 | 2026 Forest Grove Coast Range Qualifier | |
| 638 | Zhouhan Yang | 41.45 | 10 | BB Min | A: 37.59 (+3.86s | 9.3%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 639 | Quintus Cheung | 41.45 | 8 | BB Min | A: 37.59 (+3.86s | 9.3%) | Milpitas Aquatic Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 640 | Calvin Alezeau | 41.46 | 9 | BB Min | A: 37.59 (+3.87s | 9.3%) | Life Time Northern California | 11/09/2024 | Folsom Classic 2024 | |
| 641 | William Power | 41.46 | 9 | BB Min | A: 37.59 (+3.87s | 9.3%) | Monterey Bay Swim Club | 07/18/2025 | CVAL | |
| 642 | Brooks Farrington | 41.46 | 9 | BB Min | A: 37.59 (+3.87s | 9.3%) | Life Time Oregon Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 643 | Jay Kowren | 41.46 | 10 | BB Min | A: 37.59 (+3.87s | 9.3%) | Bainbridge Island Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 644 | Mo Chen | 41.47 | 9 | BB Min | A: 37.59 (+3.88s | 9.4%) | Wave Aquatics | 10/04/2025 | 2025 PN Cascade Fall Classic | |
| 645 | Miles VanderLinden | 41.49 | 9 | BB Min | A: 37.59 (+3.90s | 9.4%) | Truckee-Tahoe Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 646 | Hongshen Huang | 41.49 | 10 | BB Min | A: 37.59 (+3.90s | 9.4%) | Tualatin Hills Swim Club | 10/17/2025 | 2025 THSC Fall Open | |
| 647 | Avyan Bajpai | 41.51 | 9 | BB Min | A: 37.59 (+3.92s | 9.4%) | Hillsboro Swim Team | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 648 | Benjamin Dussel | 41.51 | 10 | BB Min | A: 37.59 (+3.92s | 9.4%) | Multnomah Athletic Club | 12/05/2025 | 2025 Tualatin Hills Holiday Classic | |
| 649 | Daniel Kalinovski | 41.52 | 10 | BB Min | A: 37.59 (+3.93s | 9.5%) | Otter Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 650 | Matthew McNeilly | 41.53 | 9 | BB Min | A: 37.59 (+3.94s | 9.5%) | CAC Stingrays Swim Team | 12/14/2025 | 2025 CO FORM Winter Open | |
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.