All-Out Fall Fest
All-Out Fall Fest is a running race on September 19, 2026 in Westminster, CO, with entry fees from $40 to $70.
- Date
- September 19, 2026 (58 days to go)
- Price
- $40–$70
- Sport
- Running
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.
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
80°
Typical Low
48°
Chance of Rain
19%
Based on US Climate Normals data from Northglenn, 3 mi from the venue.
Host City
About Westminster, CO
Population
115,546
as of 2023
City Elevation
5,551 ft
Nearest Airport
DEN
Denver International Airport · 19 mi
Time Zone
Mountain Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at All-Out Fall Fest, put it on the calendar, and turn “someday” into a start date.
58
Days to train
- Race
- All-Out Fall Fest
- Date
- September 19, 2026
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From Endurance Grid
About This Sport
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 an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
More Running races near Westminster, CO
Jog in the Bog 5k
5K · From $45 · 3645 W 112th ave
2 miles away
Pioneer Prairie Dog Half, 10k & 5k
5K · 10K · Half Marathon · From $40 · 10600 Westminster Blvd
Less than a mile away
Runway 5K - Run for the Angels
5K · From $40 · 11001 Control Tower Road
2 miles away
Westy Half & 5k
5K · Half Marathon · From $45 · 10600 Westminster Blvd
Less than a mile away
Plan your trip
Make it a Racecation
Coming from out of town? There's more to Westminster than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to WestminsterFrequently Asked Questions (FAQs)
What is the All-Out Fall Fest?+
When and where is the All-Out Fall Fest?+
How do I register for the All-Out Fall Fest?+
All-Out Fall Fest
Sep 19, 2026