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 | |
|---|---|---|---|---|---|---|---|---|---|
| 701 | 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 | |
| 702 | 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 | |
| 703 | 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 | |
| 704 | 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 | |
| 705 | Nash Meredith | 42.13 | 10 | BB Min | A: 37.59 (+4.54s | 10.8%) | Pacifica Sea Lions | 03/28/2026 | PSL March CBA+ | |
| 706 | 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 | |
| 707 | 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 | |
| 708 | 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 | |
| 709 | 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 | |
| 710 | 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 | |
| 711 | 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 | |
| 712 | 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 | |
| 713 | 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 | |
| 714 | 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 | |
| 715 | 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 | |
| 716 | 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 | |
| 717 | 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 | |
| 718 | Demitry Daniel | 42.23 | 9 | BB Min | A: 37.59 (+4.64s | 11.0%) | Canyons Aquatic Club | 10/25/2025 | CANY Harry Potter Meet | |
| 719 | 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 | |
| 720 | 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 | |
| 721 | 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 | |
| 722 | Simon Stapley | 42.27 | 10 | BB Min | A: 37.59 (+4.68s | 11.1%) | Olympus Aquatics | 11/06/2025 | 2025 OA Thanksgiving Turkey Meet | |
| 723 | 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 | |
| 724 | Samuel Le | 42.29 | 9 | BB Min | A: 37.59 (+4.70s | 11.1%) | Valley Splash | 02/28/2026 | Swim South Bay | |
| 725 | 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 | |
| 726 | 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 | |
| 727 | Sutton Howard | 42.30 | 10 | BB Min | A: 37.59 (+4.71s | 11.1%) | Excel Aquatics | 12/13/2025 | 2025 Ho Ho Ho Holiday 12 Under Meet | |
| 728 | Kai Vo | 42.30 | 9 | BB Min | A: 37.59 (+4.71s | 11.1%) | Splash Aquatics | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 729 | Henry Burns | 42.30 | 9 | BB Min | A: 37.59 (+4.71s | 11.1%) | Beast | 12/04/2025 | 2025 Holiday Swim Festival | |
| 730 | 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 | |
| 731 | Hugo Pace | 42.32 | 10 | BB Min | A: 37.59 (+4.73s | 11.2%) | Pacifica Sea Lions | 03/07/2026 | BAC Race To AGCs | |
| 732 | 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 | |
| 733 | Preston Stueckle | 42.33 | 10 | BB Min | A: 37.59 (+4.74s | 11.2%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 734 | Michael Hefner | 42.34 | 9 | BB Min | A: 37.59 (+4.75s | 11.2%) | Aspen Swim Club | 04/25/2026 | 2026 CO Aspen Spring Invite | |
| 735 | 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 | |
| 736 | Lars Milhaupt | 42.35 | 10 | BB Min | A: 37.59 (+4.76s | 11.2%) | North Jeffco Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 737 | Beckett Flynn | 42.37 | 10 | BB Min | A: 37.59 (+4.78s | 11.3%) | Issaquah Swim Team | 10/18/2025 | 2025 PN IST Fall Open | |
| 738 | Gairen Bean | 42.38 | 10 | BB Min | A: 37.59 (+4.79s | 11.3%) | South Bay Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 739 | Francis Wang | 42.38 | 9 | BB Min | A: 37.59 (+4.79s | 11.3%) | West Coast Aquatics | 05/15/2026 | 2026 PN SRST Pacific Coast Invitational App | |
| 740 | Remington Kang | 42.40 | 9 | BB Min | A: 37.59 (+4.81s | 11.3%) | Issaquah Swim Team | 11/15/2025 | 2025 PN IST November Invitational | |
| 741 | Alex Li | 42.42 | 9 | BB Min | A: 37.59 (+4.83s | 11.4%) | DeAnza Cupertino Aquatics | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 742 | Zuriel Cariazo | 42.42 | 10 | BB Min | A: 37.59 (+4.83s | 11.4%) | Unattached | 03/06/2026 | 2026 CO 14 U Silver State | |
| 743 | Dominik Orlov | 42.43 | 9 | BB Min | A: 37.59 (+4.84s | 11.4%) | Avon Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 744 | Ishaan Mittal | 42.43 | 10 | BB Min | A: 37.59 (+4.84s | 11.4%) | Rogue Rapids | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 745 | Gabriel Terrones | 42.44 | 10 | BB Min | A: 37.59 (+4.85s | 11.4%) | Team Eugene Aquatics | 11/07/2025 | 2025 McSwimville Invitational | |
| 746 | Caleb Taussig | 42.45 | 9 | BB Min | A: 37.59 (+4.86s | 11.4%) | Denver Swim Academy | 02/14/2026 | 2026 CO ACES Winter Open | |
| 747 | Owen Yan | 42.46 | 10 | BB Min | A: 37.59 (+4.87s | 11.5%) | Wave Aquatics | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 748 | Duorong Yu | 42.47 | 10 | BB Min | A: 37.59 (+4.88s | 11.5%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 749 | Liam Larson | 42.50 | 9 | BB Min | A: 37.59 (+4.91s | 11.6%) | Pacific Swim | 12/13/2025 | 2025 SI CAST 14U Rising Stars 2 | |
| 750 | Adam Ellingwood | 42.51 | 10 | BB Min | A: 37.59 (+4.92s | 11.6%) | Pleasanton Seahawks | 01/31/2026 | Zone 2 Winter Championship Meet | |
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.