If you are looking for races in Fort Collins, Colorado, you have come to the right place. Fort Collins has a growing running scene with 14 races listed in our directory, including 4 upcoming events in 2026. Whether you are lacing up for your first 5K or chasing a new personal record, there is something here for every runner.
Upcoming Races in Fort Collins, Colorado
Here is a look at the top upcoming races in Fort Collins this year. We update our listings weekly so you always have the most current information.
Healthy Kids Running Series Fall 2026 – Fort Collins, CO
Date: September 13, 2026
This five-week spring series welcomes kids from Pre-K through 8th grade to participate in Fort Collins, with weekly races offering distances tailored to each age group, ranging from 50-yard sprints to one-mile runs. Read full details →
Fall Equinox
Date: September 20, 2026
Head to Fort Collins for an unforgettable autumn adventure featuring two fantastic distance optionsa celebrated half marathon and a speedy 5-milerboth showcasing the stunning Poudre River Canyon on a thrilling downhill course. Read full details →
Homecoming 5K – Colorado State University
Date: October 3, 2026
Distance: 5K
Lace up your shoes and celebrate Ram Pride at this beloved annual tradition on Saturday, October 3rd at 8 o’clock in the morning right here in Fort Collins! Read full details →
Blue Sky Trail Marathon & Half Marathon
Date: October 17, 2026
Distance: Half Marathon
Get ready to explore Fort Collins’s one-of-a-kind trail marathon experience, which winds through beautiful terrain between Horsetooth Mountain Park and Devil’s Backbone Open Space along the Front Range’s easternmost ridges. Read full details →
Why Run in Fort Collins?
Running events in Fort Collins offer a mix of community fun runs, charity 5Ks, and competitive road races throughout the year. The local running community is active and welcoming to runners of all levels — from first-timers to seasoned racers. Many of these events benefit local charities and organizations, making race day about more than just your finish time.
Find More Races in Colorado
Fort Collins is just one part of a thriving Colorado running scene. If you want to explore more events across the state, check out our full race listings for Colorado — we track every upcoming running event from 1 mile fun runs to full marathons.
Get Ready to Race
Found a race you want to run? The next step is making sure you are properly trained for it. Whether you are a first-timer aiming to finish or a veteran chasing a PR, having the right training plan makes all the difference.
Take our free 3-question training plan quiz and get matched to the right plan for your fitness level in under a minute. We will send it straight to your inbox so you can start training today.
Good luck out there — see you at the finish line in Fort Collins!
