One of Colorado's favorite trails meets one of its most glorious parks at our 9th annual Fallfest! As courses wind southwest along Big Dry Creek Trail, the remarkable sight of Standley Lake with the Flatirons on the horizon will come into view. Its Endless Series sidekick in September is Beat the Heat.
Sep 19, 2026
Distance — 1 Miles
Type — Running
07:00
0.00
Sep 19, 2026
Distance — 26.2 Miles
Type — Running
07:00
0.00
Sep 19, 2026
Distance — 13.1 Miles
Type — Running
07:00
$60.00
Sep 19, 2026
Distance — 10K
Type — Running
07:00
$30.00
Sep 19, 2026
Distance — 5K
Type — Running
07:00
$25.00
Sep 19, 2026
Distance — 13.1 Miles
Type — Running
07:00
$40.00
Sep 19, 2026
Distance — 10K
Type — Running
07:30
$40.00
Sep 19, 2026
Distance — 5K
Type — Running
07:40
$30.00
Sep 19, 2026
Distance — 26.2 Miles
Type — Running
09:00
0.00
These values represent the 3-year monthly averages for September in Westminster.
Learn more about the host city, Westminster.
Westminster is a city of about 115,000 in the Denver Metropolitan Area of the western U.S. state of Colorado. The city lies northwest of Denver in Adams and Jefferson counties.
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location_on Westminster, Colorado, US
calendar_today Aug 23, 2026
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