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 | |
|---|---|---|---|---|---|---|---|---|---|
| 651 | Riley Dewing | 42.48 | 10 | BB Min | A: 37.59 (+4.89s | 11.5%) | North Jeffco Swim Team | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 652 | Samuel Zhou | 42.48 | 10 | BB Min | A: 37.59 (+4.89s | 11.5%) | Bay Club Panthers | 10/03/2026 | 2026 De Anza Cupertino Aquatics SC CBA Meet | |
| 653 | Senge Laka | 42.49 | 9 | BB Min | A: 37.59 (+4.90s | 11.5%) | Cascadia Swimming | 10/10/2026 | LA Fall Kick Off 2026 | |
| 654 | Cameron DuBeshter | 42.49 | 9 | BB Min | A: 37.59 (+4.90s | 11.5%) | Wolverine Aquatics | 10/17/2026 | Pumpkin Meet, Oct 2026 | |
| 655 | Felix Franson | 42.49 | 9 | BB Min | A: 37.59 (+4.90s | 11.5%) | Pikes Peak Athletics | 09/18/2026 | 2026 CO PPA September Kick Off | |
| 656 | Harrison Hsu | 42.49 | 10 | BB Min | A: 37.59 (+4.90s | 11.5%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 657 | James Vickland | 42.49 | 10 | BB Min | A: 37.59 (+4.90s | 11.5%) | Longmont Swim Club | 10/24/2026 | 2026 CO LONG Great Pumpkin Pentathlon | |
| 658 | Liam Larson | 42.50 | 10 | BB Min | A: 37.59 (+4.91s | 11.6%) | Pacific Swim | 12/13/2025 | 2025 SI CAST 14U Rising Stars 2 | |
| 659 | Ryder McDermitt | 42.50 | 9 | BB Min | A: 37.59 (+4.91s | 11.6%) | Flatiron Athletic Club | 09/26/2026 | 2026 CO NJ SC Kick Off Invite | |
| 660 | Rishen Tayal | 42.51 | 10 | BB Min | A: 37.59 (+4.92s | 11.6%) | Wave Aquatics | 10/03/2026 | 2026 PN Wave Rocktober Invitational Approved | |
| 661 | Gabriel Saldanha | 42.52 | 9 | BB Min | A: 37.59 (+4.93s | 11.6%) | Wasatch Front Fish Market | 07/29/2025 | WFFM July Developmental | |
| 662 | Julian Brown | 42.52 | 10 | BB Min | A: 37.59 (+4.93s | 11.6%) | Razor Aquatics | 12/12/2025 | OLY Swimming Holiday Bowl | |
| 663 | Xavier Anderson | 42.54 | 9 | BB Min | A: 37.59 (+4.95s | 11.6%) | Albany Aquatic Association | 08/07/2026 | Big Kahuna 2026 | |
| 664 | Alexander Zhurid | 42.55 | 9 | BB Min | A: 37.59 (+4.96s | 11.7%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 665 | Grayson Jones | 42.57 | 10 | BB Min | A: 37.59 (+4.98s | 11.7%) | North State Narwhals | 09/26/2026 | 2026 CCA Spook Tacular | |
| 666 | Zimo Xu | 42.59 | 10 | BB Min | A: 37.59 (+5.00s | 11.7%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 667 | Lance Coyne | 42.59 | 9 | BB Min | A: 37.59 (+5.00s | 11.7%) | Mission Aurora Colorado Swimmi | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 668 | Emerson Geiger | 42.59 | 9 | BB Min | A: 37.59 (+5.00s | 11.7%) | Neptune Swimming | 10/23/2026 | SSS 2026 Pumpkin Plunge | |
| 669 | Jaden Langley | 42.60 | 9 | BB Min | A: 37.59 (+5.01s | 11.8%) | Rocky Mountain Rapids | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 670 | Silvio Leal | 42.61 | 10 | BB Min | A: 37.59 (+5.02s | 11.8%) | Maui Swim Club | 08/22/2026 | 19th Annual Kauai Classic | |
| 671 | Eric Liang | 42.61 | 10 | BB Min | A: 37.59 (+5.02s | 11.8%) | Issaquah Swim Team | 10/17/2026 | 2026 PN IST Fall Open Approved | |
| 672 | Julian Kreth | 42.62 | 8 | BB Min | A: 37.59 (+5.03s | 11.8%) | Tualatin Hills Swim Club | 03/14/2026 | 2026 CAT Spring Invite | |
| 673 | Ansh Dhuri | 42.62 | 10 | BB Min | A: 37.59 (+5.03s | 11.8%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 674 | William Huang | 42.62 | 9 | BB Min | A: 37.59 (+5.03s | 11.8%) | Daly City Dolphins | 09/18/2026 | PSL Pacifica Season Launch CBA+ Meet | |
| 675 | Tristan Wan | 42.63 | 9 | BB Min | A: 37.59 (+5.04s | 11.8%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 676 | Noah Wang | 42.64 | 10 | BB Min | A: 37.59 (+5.05s | 11.8%) | Flatiron Athletic Club | 03/13/2026 | Mile High Championship Invitational | |
| 677 | Robert Karpenko | 42.65 | 8 | BB Min | A: 37.59 (+5.06s | 11.9%) | University Place Aquatic Club | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 678 | Lucas Tarr | 42.66 | 10 | BB Min | A: 37.59 (+5.07s | 11.9%) | Excel Aquatics | 10/23/2026 | 2026 Pumpkin Spice Splash | |
| 679 | Smith Larsen | 42.67 | 9 | BB Min | A: 37.59 (+5.08s | 11.9%) | Magic Valley Marlins | 06/28/2025 | 2025 Elko High Altitude | |
| 680 | Austin Smith | 42.67 | 9 | BB Min | A: 37.59 (+5.08s | 11.9%) | Cascade Swim Club | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 681 | Sawyer Stephenson-Sabin | 42.68 | 10 | BB Min | A: 37.59 (+5.09s | 11.9%) | Napa Valley Swim Team | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 682 | Gavin Osterman | 42.70 | 10 | BB Min | A: 37.59 (+5.11s | 12.0%) | Excel Aquatics | 09/25/2026 | 2026 Excel Aquatics Fall Fest Invite | |
| 683 | Jayke Hung | 42.72 | 10 | BB Min | A: 37.59 (+5.13s | 12.0%) | Bellevue Club Swim Team | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 684 | Charlie Wang | 42.72 | 9 | BB Min | A: 37.59 (+5.13s | 12.0%) | DeAnza Cupertino Aquatics | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 685 | Marcus Wang | 42.73 | 10 | BB Min | A: 37.59 (+5.14s | 12.0%) | Pacific Dragons Swim Team | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 686 | Jacob Ahnen | 42.75 | 9 | BB Min | A: 37.59 (+5.16s | 12.1%) | Denver Swim Academy | 10/10/2026 | 2026 CO FST Swim Pink | |
| 687 | Jeremy Lyu | 42.75 | 10 | BB Min | A: 37.59 (+5.16s | 12.1%) | Wave Aquatics | 10/03/2026 | 2026 PN Wave Rocktober Invitational Approved | |
| 688 | Asher Shim | 42.76 | 10 | BB Min | A: 37.59 (+5.17s | 12.1%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 689 | Samuel Ellsworth | 42.76 | 10 | BB Min | A: 37.59 (+5.17s | 12.1%) | Boise Swim Club | 12/20/2025 | 2025 BY Candy Cane Invitational | |
| 690 | Elliot Gorman | 42.77 | 10 | BB Min | A: 37.59 (+5.18s | 12.1%) | Front Range Barracudas | 07/09/2026 | 2026 CO NCS 10 U Summer Festival | |
| 691 | Whittaker Riles | 42.77 | 10 | BB Min | A: 37.59 (+5.18s | 12.1%) | Denver Triton Swim Team | 09/26/2026 | 2026 CO Gregg Gracheck Memorial | |
| 692 | Alex Chen | 42.78 | 9 | BB Min | A: 37.59 (+5.19s | 12.1%) | Seattle Metropolitan Aquatic C | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 693 | William Oubre | 42.79 | 10 | BB Min | A: 37.59 (+5.20s | 12.2%) | Salida Cyclones | 07/31/2026 | 2026 CO Scottie Aschermann Memorial | |
| 694 | Damon Shao | 42.80 | 9 | BB Min | A: 37.59 (+5.21s | 12.2%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 695 | Sawyer Mabry | 42.83 | 10 | BB Min | A: 37.59 (+5.24s | 12.2%) | Wild West Aquatic Club | 09/20/2026 | 2026 BD Del Norte #1 | |
| 696 | Aiden Lam | 42.83 | 9 | BB Min | A: 37.59 (+5.24s | 12.2%) | Pacific Swim | 10/17/2026 | 2026 SI SBA All Ages NTS Meet | |
| 697 | Logan McLaughlin | 42.84 | 9 | BB Min | A: 37.59 (+5.25s | 12.3%) | Patriot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 698 | Lukas Zazhitskiy | 42.84 | 9 | BB Min | A: 37.59 (+5.25s | 12.3%) | Highlands Ranch Aquatics | 09/11/2026 | 2026 CO Friday Night At The Races | |
| 699 | Aadyant Agrawal | 42.85 | 9 | BB Min | A: 37.59 (+5.26s | 12.3%) | Wave Aquatics | 10/03/2026 | 2026 PN Wave Rocktober Invitational Approved | |
| 700 | Jace Gordon | 42.86 | 9 | BB Min | A: 37.59 (+5.27s | 12.3%) | Los Gatos Swim Club | 10/03/2026 | Quicksilver Santa Cruz Competencia 2026 | |
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.