All-Out Fall Fest
Sat, Sep 19, 2026, 7:00 AM MDT
- Location
- Westminster, CO
- 10170 Church Ranch Way, 80021
- Type
- RUN
Sign up and verify details on the organizer’s official page.
Vibe analysis coming soon
Course feel, difficulty, and community fit are being added to this listing. Check back, and always confirm details on the official registration page.
Distances & registration
6 optionsRegistration for all distances is through the official signup link above.
- 5K
Sat, Sep 19, 7:40 AM MDT · From $32.80
Opens Sep 18, 2025, 8:00 PM MDT · Closes Mar 19, 2026, 7:59 PM MDT
- 5K
Sat, Sep 19, 7:00 AM MDT · From $27.50
Opens Sep 15, 2025, 8:00 PM MDT · Closes Mar 19, 2026, 7:59 PM MDT
- 10K
Sat, Sep 19, 7:30 AM MDT · From $43.40
Opens Sep 18, 2025, 8:00 PM MDT · Closes Mar 19, 2026, 7:59 PM MDT
+ 3 more optionsHide
- 10K
Sat, Sep 19, 7:00 AM MDT · From $32.80
Opens Sep 15, 2025, 8:00 PM MDT · Closes Mar 19, 2026, 7:59 PM MDT
- 13.1 Miles
Sat, Sep 19, 7:00 AM MDT · From $64.60
Opens Sep 18, 2025, 8:00 PM MDT · Closes Mar 19, 2026, 7:59 PM MDT
- 13.1 Miles
Sat, Sep 19, 7:00 AM MDT · From $43.40
Opens Sep 15, 2025, 8:00 PM MDT · Closes Mar 19, 2026, 7:59 PM MDT
Vibe Check
Push Potential
Push Potentiallong distance + altitude
- High altitude
Based on terrain, weather, and distance data.
The course
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From the organizer
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 .
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