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 | James Milchteim | 41.92 | 9 | BB Min | A: 37.59 (+4.33s | 10.3%) | Bay Club Aquatics | 12/05/2025 | SI 2025 RSD All Ages WAG Max | |
| 702 | Scott Rickert | 41.92 | 9 | BB Min | A: 37.59 (+4.33s | 10.3%) | South Orange County Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 703 | Leo Miyamoto | 41.93 | 10 | BB Min | A: 37.59 (+4.34s | 10.4%) | Napa Valley Swim Team | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 704 | Aden Sun | 41.93 | 10 | BB Min | A: 37.59 (+4.34s | 10.4%) | Burlingame Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 705 | 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 | |
| 706 | 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 | |
| 707 | Maverick Albright | 41.96 | 9 | BB Min | A: 37.59 (+4.37s | 10.4%) | Reno Aquatic Club | 03/15/2025 | 2025 NNA Age Group Open | |
| 708 | Jasper Timmons | 41.96 | 10 | BB Min | A: 37.59 (+4.37s | 10.4%) | Cascade Swim Club | 02/01/2026 | 2026 PN CSC February Mini Meet Approved | |
| 709 | Adrian Magner | 41.97 | 8 | BB Min | A: 37.59 (+4.38s | 10.4%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 710 | Bryce Bowman | 41.98 | 10 | BB Min | A: 37.59 (+4.39s | 10.5%) | Mission Viejo Nadadores | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 711 | Lucas Shan | 41.98 | 10 | BB Min | A: 37.59 (+4.39s | 10.5%) | Legacy Aquatics | 01/30/2026 | 2026 NE GS Silver Championships | |
| 712 | Joel Stees | 41.99 | 9 | BB Min | A: 37.59 (+4.40s | 10.5%) | Aquawolves Swimming | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 713 | Terry Pan | 41.99 | 10 | BB Min | A: 37.59 (+4.40s | 10.5%) | Unattached | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 714 | Camden Sparenborg | 42.01 | 8 | BB Min | A: 37.59 (+4.42s | 10.5%) | Utah Valley Aquatics | 10/23/2025 | 2025 Mike Harper Open | |
| 715 | Muyang He | 42.01 | 8 | BB Min | A: 37.59 (+4.42s | 10.5%) | Santa Clara Swim Club | 02/08/2025 | Swim South Bay | |
| 716 | Jayden Huang | 42.01 | 9 | BB Min | A: 37.59 (+4.42s | 10.5%) | Harbor Aquatics Club | 09/27/2025 | 2025 PN PPST Sprint And Relay Fest | |
| 717 | William Levy | 42.02 | 10 | BB Min | A: 37.59 (+4.43s | 10.5%) | Colorado Blue | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 718 | Leo Ioffe | 42.04 | 9 | BB Min | A: 37.59 (+4.45s | 10.6%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 719 | Blake Hadfield | 42.06 | 10 | BB Min | A: 37.59 (+4.47s | 10.6%) | Aulea Swim Club | 02/08/2026 | Aulea Winter Sprint Festival | |
| 720 | Oliver Conrad | 42.06 | 10 | BB Min | A: 37.59 (+4.47s | 10.6%) | SlipStream Aquatics | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 721 | Maddox Merz | 42.08 | 9 | BB Min | A: 37.59 (+4.49s | 10.7%) | Los Gatos Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 722 | Blaze Garcia | 42.08 | 10 | BB Min | A: 37.59 (+4.49s | 10.7%) | Pueblo County Swim Team | 01/02/2026 | 2026 CO COSA New Year Open | |
| 723 | 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 | |
| 724 | Vivaan Jagadish | 42.09 | 10 | BB Min | A: 37.59 (+4.50s | 10.7%) | Tualatin Hills Swim Club | 02/06/2026 | 2026 Forest Grove Coast Range Qualifier | |
| 725 | Luke Lim | 42.09 | 10 | BB Min | A: 37.59 (+4.50s | 10.7%) | Alto Swim Club | 12/06/2025 | Alto Dec 6 7 CBA | |
| 726 | Ezra Howell | 42.10 | 9 | BB Min | A: 37.59 (+4.51s | 10.7%) | Sun Valley 5 B | 10/25/2025 | Spook Splash 2025 | |
| 727 | Bo Cunningham | 42.10 | 9 | BB Min | A: 37.59 (+4.51s | 10.7%) | North Jeffco Swim Team | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 728 | 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 | |
| 729 | James Covey | 42.13 | 7 | BB Min | A: 37.59 (+4.54s | 10.8%) | Bellevue Club Swim Team | 01/18/2026 | 2026 PN BC Snowflake Classic Invite Approved | |
| 730 | Jameson Martin | 42.14 | 9 | BB Min | A: 37.59 (+4.55s | 10.8%) | Gold Medal Swim Club | 02/14/2025 | 33rd Annual Lost Dutchman Invitational | |
| 731 | Wilder Toohey | 42.15 | 10 | BB Min | A: 37.59 (+4.56s | 10.8%) | La Grande Swim Club | 10/25/2025 | 2025 Spooktacular Swim Meet | |
| 732 | 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 | |
| 733 | Reagan Wilsey | 42.17 | 9 | BB Min | A: 37.59 (+4.58s | 10.9%) | Palo Alto Stanford Aquatics | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 734 | 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 | |
| 735 | Jacob Akerley | 42.17 | 9 | BB Min | A: 37.59 (+4.58s | 10.9%) | Rocky Mountain Rapids | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 736 | Matthew Lai | 42.18 | 8 | BB Min | A: 37.59 (+4.59s | 10.9%) | Clovis Swim Club | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 737 | Fanch Hamon | 42.18 | 10 | BB Min | A: 37.59 (+4.59s | 10.9%) | Excel Aquatics | 02/07/2026 | 2026 PN TAC Island Express | |
| 738 | 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 | |
| 739 | Ari Mobasseri | 42.20 | 7 | BB Min | A: 37.59 (+4.61s | 10.9%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 740 | Andrei Talalay | 42.21 | 9 | BB Min | A: 37.59 (+4.62s | 10.9%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 741 | Santino Verderaime | 42.21 | 8 | BB Min | A: 37.59 (+4.62s | 10.9%) | Pikes Peak Athletics | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 742 | Charlie Wheeler | 42.21 | 10 | BB Min | A: 37.59 (+4.62s | 10.9%) | Longmont Swim Club | 01/16/2026 | 2026 CO CUDA Classic | |
| 743 | Jonathan Chen | 42.21 | 9 | BB Min | A: 37.59 (+4.62s | 10.9%) | California Dolphins Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 744 | Ryan Ferguson | 42.21 | 9 | BB Min | A: 37.59 (+4.62s | 10.9%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 745 | 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 | |
| 746 | 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 | |
| 747 | Lok Zhang | 42.22 | 9 | BB Min | A: 37.59 (+4.63s | 11.0%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 748 | Augustus Pape | 42.22 | 10 | BB Min | A: 37.59 (+4.63s | 11.0%) | Sparks Piranhas Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 749 | Demitry Daniel | 42.23 | 9 | BB Min | A: 37.59 (+4.64s | 11.0%) | Canyons Aquatic Club | 10/25/2025 | CANY Harry Potter Meet | |
| 750 | Daniel Heilman | 42.23 | 9 | BB Min | A: 37.59 (+4.64s | 11.0%) | San Francisco Seals Swim Team | 10/11/2025 | SSF October Splash C B A+ 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.