All-Out Fall Fest
- Date
- September 19, 2026
- Distance
- Half Marathon · 10K · 5K & more
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.
Distances & Pricing
Race Location
About This Sport
From Endurance Grid's Founder
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the All-Out Fall Fest?
- All-Out Fall Fest is a running event held in Westminster, CO. Learn more about the different endurance sports here.
- When and where is the All-Out Fall Fest?
- Saturday, September 19, 2026 in Westminster, CO at 10170 Church Ranch Way, Westminster, CO. Check the official event page for exact start times and wave schedules.
- How do I register for the All-Out Fall Fest?
- Registration is handled through their official registration page. Confirm pricing, distances available, and sign up there.
All-Out Fall Fest
Sep 19, 2026