Start Fall with a great, fun run!
All-Out Fall Fest
Saturday, September 13, 7a
Church Ranch Office Park, Westminster, CO
Half Marathon
Join us for the 11th Annual Fall Fest, where one of Colorado's favorite trails meets one of its most glorious parks, all in support of #themarshalleffect! Follow the winding courses southwest along Big Dry Creek Trail, and enjoy the breathtaking sight of Standley Lake against the backdrop of the majestic Flatirons. Its Endless Series sidekick is Beat the Heat. Kick off your fall season with this event embracing 70s nostalgia and flower power!
Location
An official BOLDERBoulder qualifying event!
We are thrilled to announce that Fall Fest has been designated as an official BOLDERBoulder Qualifier event! You can use your finishing time from any distance of this race to qualify for one of the 2026 BOLDERBoulder's qualified waves. For more details on the BB10K qualifying waves, please visit this link.
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