Western Zone Zone Boys 10 & under - 50 M Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1751 | Clayton Du | 52.76 | 9 | B: 43.89 (+8.87s | 16.8%) | Palo Alto Stanford Aquatics | 06/06/2025 | BAC C B A Meet | ||
| 1752 | Hill Anstine | 52.76 | 8 | B: 43.89 (+8.87s | 16.8%) | Fort Collins Area Swim Team | 06/27/2026 | 2026 CO FAST Single Session | ||
| 1753 | Brock Georgievski | 52.78 | 9 | B: 43.89 (+8.89s | 16.8%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | ||
| 1754 | Knox Finkle | 52.79 | 8 | B: 43.89 (+8.90s | 16.9%) | Mission Valley YMCA | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | ||
| 1755 | Bryan Zhou | 52.81 | 10 | B: 43.89 (+8.92s | 16.9%) | Pacific Dragons Swim Team | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 1756 | Acen Liu | 52.81 | 9 | B: 43.89 (+8.92s | 16.9%) | Olympic Cascade Aquatics | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | ||
| 1757 | Lawrence Lai | 52.82 | 8 | B: 43.89 (+8.93s | 16.9%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 1758 | Oladibu Owoseni | 52.83 | 8 | B: 43.89 (+8.94s | 16.9%) | Hillsboro Swim Team | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | ||
| 1759 | Zayn Iman | 52.86 | 9 | B: 43.89 (+8.97s | 17.0%) | Cascade Swim Club | 09/20/2025 | 2025 PN CSC September Shakeout | ||
| 1760 | Remington Stentzel | 52.87 | 8 | B: 43.89 (+8.98s | 17.0%) | Gallatin Valley Y Brookies | 07/10/2026 | 2026 MT HLST Last Chance Invitational | ||
| 1761 | William Best | 52.87 | 9 | B: 43.89 (+8.98s | 17.0%) | Loveland Swim Club | 04/25/2025 | 2025 CO FAST Spring Splash LC Open | ||
| 1762 | Arunas Babusis | 52.92 | 9 | B: 43.89 (+9.03s | 17.1%) | Apex | 06/06/2025 | 2025 CST Summer Invitational | ||
| 1763 | Alexander Bahr | 52.93 | 9 | B: 43.89 (+9.04s | 17.1%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | ||
| 1764 | Kyle Sahimi | 52.96 | 9 | B: 43.89 (+9.07s | 17.1%) | Fort Collins Area Swim Team | 04/11/2026 | 2026 CO FAST Vs CUDA Dua; | ||
| 1765 | Henry Nelligan | 52.96 | 9 | B: 43.89 (+9.07s | 17.1%) | Sparks Piranhas Swim Team | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | ||
| 1766 | Jaxon Oliveria | 53.00 | 10 | B: 43.89 (+9.11s | 17.2%) | South Bay Aquatics | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | ||
| 1767 | Roy Shen | 53.03 | 8 | B: 43.89 (+9.14s | 17.2%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1768 | Hayes Liebowitz | 53.04 | 9 | B: 43.89 (+9.15s | 17.3%) | Rocky Mountain Rapids | 06/05/2026 | 2026 COSA Long Couse Open | ||
| 1769 | Julian Kau | 53.04 | 10 | B: 43.89 (+9.15s | 17.3%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 1770 | Thomas Vartanian | 53.08 | 9 | B: 43.89 (+9.19s | 17.3%) | Burlingame Aquatics | 06/12/2026 | BAC Long Course | ||
| 1771 | John Ripp | 53.08 | 9 | B: 43.89 (+9.19s | 17.3%) | San Benito Aquatics | 06/27/2026 | NVST Summer Plunge 2026 | ||
| 1772 | Jonathan Chen | 53.08 | 9 | B: 43.89 (+9.19s | 17.3%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | ||
| 1773 | James Barr | 53.08 | 9 | B: 43.89 (+9.19s | 17.3%) | Wind N Sea Swim Team | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | ||
| 1774 | Cal Willey | 53.10 | 10 | B: 43.89 (+9.21s | 17.3%) | Humboldt Swim Club | 04/19/2024 | VJO Long Spring Thaw C B A+ 2024 | ||
| 1775 | Caleb Fincham | 53.12 | 10 | B: 43.89 (+9.23s | 17.4%) | Redmond Aquatic Club | 06/19/2026 | Prineville Invitational Swim Meet | ||
| 1776 | Miles Robertson | 53.13 | 9 | B: 43.89 (+9.24s | 17.4%) | Eastmont | 07/10/2026 | 2026 Sizzlin Summer Splash Copied | ||
| 1777 | Ramana Kirk | 53.14 | 8 | B: 43.89 (+9.25s | 17.4%) | Academy Swim Club | 06/06/2026 | BIG ISLAND SWIMMING @ KSH | ||
| 1778 | Lorenzo Watts | 53.14 | 7 | B: 43.89 (+9.25s | 17.4%) | Sebastopol Sea Serpents | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1779 | Bennett Sims | 53.15 | 8 | B: 43.89 (+9.26s | 17.4%) | Front Range Barracudas | 05/23/2026 | 2026 CO CUDA Vs AQUA Dual | ||
| 1780 | Jordan O'Sullivan | 53.16 | 8 | B: 43.89 (+9.27s | 17.4%) | Maui Dolphins Swim Club | 05/02/2026 | 2026 MAGSA LCM B 1 Meet | ||
| 1781 | Colin Hobbs | 53.16 | 8 | B: 43.89 (+9.27s | 17.4%) | Rawlins Rebels Swim Team | 06/27/2026 | 2026 CO Greeley Stampede | ||
| 1782 | Leif An | 53.17 | 8 | B: 43.89 (+9.28s | 17.5%) | Columbia River Swim Team | 06/05/2026 | 2026 CST Summer Invitational | ||
| 1783 | Jonathan Yang | 53.19 | 8 | B: 43.89 (+9.30s | 17.5%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | ||
| 1784 | Max Hao | 53.20 | 10 | B: 43.89 (+9.31s | 17.5%) | Cascade Swim Club | 06/06/2026 | 2026 PN CSC Swimtacular Approved | ||
| 1785 | Collin Child | 53.20 | 10 | B: 43.89 (+9.31s | 17.5%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | ||
| 1786 | Neil Dandapat | 53.24 | 9 | B: 43.89 (+9.35s | 17.6%) | Issaquah Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | ||
| 1787 | Ryan Jin | 53.24 | 8 | B: 43.89 (+9.35s | 17.6%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | ||
| 1788 | Haomiao Zhuang | 53.26 | 7 | B: 43.89 (+9.37s | 17.6%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
| 1789 | Walter Huang | 53.26 | 9 | B: 43.89 (+9.37s | 17.6%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 1790 | Cian Stiff | 53.27 | 9 | B: 43.89 (+9.38s | 17.6%) | Front Range Barracudas | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | ||
| 1791 | Cormac Walker | 53.31 | 7 | B: 43.89 (+9.42s | 17.7%) | Lake Oswego Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | ||
| 1792 | Lucas Wang | 53.31 | 9 | B: 43.89 (+9.42s | 17.7%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | ||
| 1793 | Landon Swenson | 53.32 | 9 | B: 43.89 (+9.43s | 17.7%) | Evergreen Hurricanes | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | ||
| 1794 | Ty Donlin | 53.34 | 7 | B: 43.89 (+9.45s | 17.7%) | Denver Swim Academy | 06/26/2026 | 2026 CO Zone 2 District Meet DU | ||
| 1795 | Lincoln Zhang | 53.34 | 10 | B: 43.89 (+9.45s | 17.7%) | Eastside Aquatic Swim Team | 07/11/2025 | 2025 THSC Summer Classic | ||
| 1796 | Lucas Hunt | 53.35 | 9 | B: 43.89 (+9.46s | 17.7%) | Bay Club Panthers | 05/02/2026 | Alto Spring Jam CBA | ||
| 1797 | Arthur Dauletbaev | 53.38 | 9 | B: 43.89 (+9.49s | 17.8%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | ||
| 1798 | Carter Hanrahan | 53.41 | 10 | B: 43.89 (+9.52s | 17.8%) | Rogue Rapids | 06/26/2026 | 2026 TEAM Summer Invitational | ||
| 1799 | Allan Duan | 53.43 | 8 | B: 43.89 (+9.54s | 17.9%) | Pro Swimming | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 1800 | Miles Zhang | 53.46 | 9 | B: 43.89 (+9.57s | 17.9%) | Milpitas Aquatic Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
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.