All-Out Fall Fest
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All-Out Fall Fest
All-Out Fall Fest is an annual running event held on Saturday, September 19, 2026, in Westminster, Colorado. The central location is listed as 10170 Church Ranch Way. Courses run along the Big Dry Creek Trail toward the southwest and provide views of Standley Lake and the Flatirons.
The event includes the following distances:
- Half Marathon
- 10K
- 5K
- VIRTUAL Half Marathon
- VIRTUAL 10K
- VIRTUAL 5K
Virtual options allow participants to complete their chosen distance remotely. The event is part of the Run Amok Fall Series and is listed as an Endless Series event associated with Beat the Heat. It is designated as an official BOLDERBoulder qualifying event, so finish times from any distance can be used to qualify for BOLDERBoulder waves.
The event names BookGive as its benefiting charity; BookGive donates books to schools, senior centers, and other community organizations. Event information also references packet pick-up, course details, results, and photos as available event services. Visit the organization's website for the most recent information.