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 | Yangyang Xu | 41.94 | 10 | BB Min | A: 37.59 (+4.35s | 10.4%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 602 | Bennett Burtz | 41.96 | 9 | BB Min | A: 37.59 (+4.37s | 10.4%) | CAC Stingrays Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 603 | Adrian Magner | 41.97 | 8 | BB Min | A: 37.59 (+4.38s | 10.4%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 604 | Lucas Shan | 41.98 | 10 | BB Min | A: 37.59 (+4.39s | 10.5%) | Legacy Aquatics | 01/30/2026 | 2026 NE GS Silver Championships | |
| 605 | Mason Howe | 42.00 | 10 | BB Min | A: 37.59 (+4.41s | 10.5%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 606 | Camden Sparenborg | 42.01 | 8 | BB Min | A: 37.59 (+4.42s | 10.5%) | Utah Valley Aquatics | 10/23/2025 | 2025 Mike Harper Open | |
| 607 | Ronan MurdockPerriera | 42.01 | 9 | BB Min | A: 37.59 (+4.42s | 10.5%) | AC Swim Club | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 608 | Jayden Huang | 42.01 | 10 | BB Min | A: 37.59 (+4.42s | 10.5%) | Harbor Aquatics Club | 09/27/2025 | 2025 PN PPST Sprint And Relay Fest | |
| 609 | Garrett Legg | 42.02 | 8 | BB Min | A: 37.59 (+4.43s | 10.5%) | Pleasanton Seahawks | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | |
| 610 | Bode McCollum | 42.03 | 10 | BB Min | A: 37.59 (+4.44s | 10.6%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 611 | Leo Ioffe | 42.04 | 10 | BB Min | A: 37.59 (+4.45s | 10.6%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 612 | Moses Wang | 42.07 | 10 | BB Min | A: 37.59 (+4.48s | 10.6%) | Bainbridge Island Swim Club | 04/18/2026 | 2026 PN UPAC Mark Olson Classic Approved | |
| 613 | Aaryan Indurkhya | 42.07 | 9 | BB Min | A: 37.59 (+4.48s | 10.6%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 614 | Shay Jain | 42.08 | 9 | BB Min | A: 37.59 (+4.49s | 10.7%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 615 | Jack Cook | 42.09 | 10 | BB Min | A: 37.59 (+4.50s | 10.7%) | Swim Kauai Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 616 | Ezra Howell | 42.10 | 10 | BB Min | A: 37.59 (+4.51s | 10.7%) | Sun Valley 5 B | 10/25/2025 | Spook Splash 2025 | |
| 617 | Bo Cunningham | 42.10 | 10 | BB Min | A: 37.59 (+4.51s | 10.7%) | North Jeffco Swim Team | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 618 | Oleg Rassadin | 42.10 | 8 | BB Min | A: 37.59 (+4.51s | 10.7%) | Denver Swim Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 619 | Adrito Daas | 42.12 | 10 | BB Min | A: 37.59 (+4.53s | 10.8%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 620 | Jack Farnsworth | 42.13 | 9 | BB Min | A: 37.59 (+4.54s | 10.8%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 621 | Nash Meredith | 42.13 | 10 | BB Min | A: 37.59 (+4.54s | 10.8%) | Pacifica Sea Lions | 03/28/2026 | PSL March CBA+ | |
| 622 | Lionel Sudduth | 42.14 | 8 | BB Min | A: 37.59 (+4.55s | 10.8%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 623 | Kingston Walls | 42.16 | 8 | BB Min | A: 37.59 (+4.57s | 10.8%) | Walnut Creek Aquabears | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 624 | Reagan Wilsey | 42.17 | 10 | BB Min | A: 37.59 (+4.58s | 10.9%) | Palo Alto Stanford Aquatics | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 625 | Otto Seeber | 42.17 | 9 | BB Min | A: 37.59 (+4.58s | 10.9%) | Flatiron Athletic Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 626 | Jackson Porter | 42.18 | 10 | BB Min | A: 37.59 (+4.59s | 10.9%) | Stingray Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 627 | Matthew Lai | 42.18 | 9 | BB Min | A: 37.59 (+4.59s | 10.9%) | Clovis Swim Club | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 628 | Owen Friedman | 42.18 | 9 | BB Min | A: 37.59 (+4.59s | 10.9%) | Legacy Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 629 | Vittorio De Paola | 42.20 | 10 | BB Min | A: 37.59 (+4.61s | 10.9%) | Walnut Creek Aquabears | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 630 | Ari Mobasseri | 42.20 | 8 | BB Min | A: 37.59 (+4.61s | 10.9%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 631 | Santino Verderaime | 42.21 | 9 | BB Min | A: 37.59 (+4.62s | 10.9%) | Pikes Peak Athletics | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 632 | Callahan Espiritu | 42.21 | 8 | BB Min | A: 37.59 (+4.62s | 10.9%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 633 | Andrew Moehle | 42.22 | 10 | BB Min | A: 37.59 (+4.63s | 11.0%) | Cottonwood Heights Aquatics | 11/29/2025 | November Chat Vs SDAT Dual | |
| 634 | Lok Zhang | 42.22 | 10 | BB Min | A: 37.59 (+4.63s | 11.0%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 635 | Adam Wanichek | 42.22 | 10 | BB Min | A: 37.59 (+4.63s | 11.0%) | Bellevue Club Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 636 | Demitry Daniel | 42.23 | 10 | BB Min | A: 37.59 (+4.64s | 11.0%) | Canyons Aquatic Club | 10/25/2025 | CANY Harry Potter Meet | |
| 637 | Henry Muniz | 42.24 | 10 | BB Min | A: 37.59 (+4.65s | 11.0%) | Arcadia Riptides Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 638 | Owen Deis | 42.26 | 10 | BB Min | A: 37.59 (+4.67s | 11.1%) | Clovis Swim Club | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 639 | Max Peterson | 42.27 | 10 | BB Min | A: 37.59 (+4.68s | 11.1%) | Cottonwood Heights Aquatics | 09/12/2025 | 2025 CHAT SDAT September Dual | |
| 640 | Patrick Fullerton | 42.27 | 10 | BB Min | A: 37.59 (+4.68s | 11.1%) | South Bay Aquatics | 12/05/2025 | 2025 SI JBST Wag Max Meet | |
| 641 | Samuel Le | 42.29 | 9 | BB Min | A: 37.59 (+4.70s | 11.1%) | Valley Splash | 02/28/2026 | Swim South Bay | |
| 642 | Aleksander Zuev | 42.29 | 10 | BB Min | A: 37.59 (+4.70s | 11.1%) | Foothills Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 643 | Hayden Wang | 42.30 | 9 | BB Min | A: 37.59 (+4.71s | 11.1%) | McGrath Marlins Swim Team | 04/11/2026 | SI 2026 RSD All Ages BC Meet | |
| 644 | Kai Vo | 42.30 | 9 | BB Min | A: 37.59 (+4.71s | 11.1%) | Splash Aquatics | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 645 | Henry Burns | 42.30 | 9 | BB Min | A: 37.59 (+4.71s | 11.1%) | Beast | 12/04/2025 | 2025 Holiday Swim Festival | |
| 646 | Sebastian Lam | 42.31 | 8 | BB Min | A: 37.59 (+4.72s | 11.2%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 647 | Hugo Pace | 42.32 | 10 | BB Min | A: 37.59 (+4.73s | 11.2%) | Pacifica Sea Lions | 03/07/2026 | BAC Race To AGCs | |
| 648 | Gabriel Dieme | 42.33 | 10 | BB Min | A: 37.59 (+4.74s | 11.2%) | Humboldt Swim Club | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 649 | Preston Stueckle | 42.33 | 10 | B: 38.49 (+3.84s | 9.1%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | ||
| 650 | Isaac Engelbart | 42.35 | 10 | BB Min | A: 37.59 (+4.76s | 11.2%) | Stingray Swim Team | 05/15/2026 | 2026 PN SRST Pacific Coast Invitational App | |
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.