Fall Equinox
- Date
- September 20 – October 3, 2026
- Location
- Poudre Canyon, Fort Collins, CO
- Distance
- Half Marathon · 5 Mile · Virtual Half Marathon & more
From the Organizer
"One of the best races in Colorado!"
Enjoy the wild & Scenic beauty on the Poudre River Canyon while you run on a downhill point-to-point course to finish in a field of dreams where beer and music flow. Invite your friends & family, don't miss the experience!
Event includes 2 great distances:
Wild & Scenic Half Marathon: Voted best half marathon and best race shirt in Colorado. Great race to run a new PR, your first half marathon, or just for the beauty and the beer! Enjoy the fall vibes along the Cache la Poudre, Colorado's only designated Wild & Scenic River! Starting at the famous Mishawaka Amphitheater.
First to the Finish 5-Mile: Fast or Festive? You choose. Push yourself past the 5k and run a unique race distance that gets you to the finish line party first! Wait, you are the Party! This race is for all those or love to run or walk in nature and know how to celebrate the good things in life,
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
76°
Typical Low
47°
Chance of Rain
23%
Based on US Climate Normals data from Ft Collins, 1 mi from the venue.
Host City
About Fort Collins, CO
Population
169,705
as of 2023
Elevation
4,989 ft
Nearest Airport
CYS
Cheyenne Regional Jerry Olson Field · 42 mi
Major Hub
DEN
Denver International Airport · 54 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 Fall Equinox, put it on the calendar, and turn “someday” into a start date.
104
Days to train
- Race
- Fall Equinox
- Date
- September 20 – October 3, 2026
- Location
- Poudre Canyon, Fort Collins, CO
Coming Up
More Running races near Fort Collins, CO
Sam's Rainbow Run
Less than a mile away
Freedom Tour Classic
Less than a mile away
FireKracker 5k
5K
Less than a mile away
Wild West Relay
Less than a mile away
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 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 Fall Equinox?
- Fall Equinox is a running race held in Fort Collins, Colorado on September 20, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the Fall Equinox?
- Sunday, September 20, 2026 in Fort Collins, Colorado at Poudre Canyon, Fort Collins, CO. Check the event page for exact start times and wave schedules.
- How do I register for the Fall Equinox?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
Fall Equinox
Sep 20, 2026