In 53 days · Sat, Sep 19, 2026
Don't let race day sneak up
One email during race week. That's it.
When
Saturday, September 19th, 2026
Where
10170 Church Ranch Way, Westminster CO
Distances
Half · 10K · 5K
Typical weather
51–79°F · low rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2025
46–79°F
dry
2024
49–85°F
dry
2023
53–77°F
dry
2022
53–88°F
dry
2021
59–88°F
dry
2020
55–86°F
dry
2019
53–85°F
dry
2018
57–86°F
dry
2017
52–85°F
dry
2016
51–85°F
dry
Best months to race in Colorado →
About this race
Event Overview
- Event Name: All-Out Fall Fest
- Date: September 19, 2026
- Location: 10170 Church Ranch Way, Westminster, CO
- Registration Link: Register Here
Course Highlights
- Trail: One of Colorado's favorite trails
- Scenery: Courses wind southwest along Big Dry Creek Trail
- Landmarks: View of Standley Lake with the Flatirons on the horizon
- Event Series: Part of the Endless Series
Special Features
- Sidekick Event: Features the Beat the Heat in September
- Annual Tradition: Celebrating the 9th annual Fallfest
- Community: A great opportunity to engage with the local community
- Fun: Enjoy a festive atmosphere perfect for all ages
Course map
Train with a club
Run clubs near Westminster to train with before race day.
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