All-Out Fall Fest
SEP
19
2026
Join All Out Fall Fest in Westminster Colorado for a scenic half marathon, 10K, 5K or virtual run along Big Dry Creek Trail with Standley Lake and Flatirons views. The friendly fall race is a BOLDERBoulder qualifier.
Sat 19 Sep 2026
Half Marathon
10 kilometers
5 kilometers
Always double-check with the organizer's website! This page may contain affiliate links.
All-Out Fall Fest : event details
All-Out Fall Fest takes place on Saturday, September 19, 2026, in Westminster, Colorado. The event is organized by All-Out Multicourse Productions and is the 12th annual edition. The course follows the Big Dry Creek Trail and runs near Standley Lake with views of the Flatirons. The event is an official BOLDERBoulder qualifying race.
Distances and entries
- Half Marathon - in-person; price $64.60.
- 10K - in-person; price $43.40.
- 5K - in-person; price $32.80.
- VIRTUAL Half Marathon - run anywhere; price $43.40.
- VIRTUAL 10K - run anywhere; price $32.80.
- VIRTUAL 5K - run anywhere; price $27.50.
Virtual entries note that participants can run anywhere. Virtual options include event SWAG and an alumni credit. Prices shown include listed event fees. Visit the organization's website for the most recent information.
Half Marathon
Half Marathon
10 km
10k
5 km
Virtual Half Marathon
Virtual 5k
Virtual 10k