Upcoming Races in Denver, Colorado 2026

Written By: Jeremy N

If you are looking for races in Denver, Colorado, you have come to the right place. Denver has a growing running scene with 25 races listed in our directory, including 10 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 Denver, Colorado

Here is a look at the top upcoming races in Denver this year. We update our listings weekly so you always have the most current information.

D’Evelyn Dash XC

Date: August 28, 2026

Get ready to hit the trails at this exciting cross country event happening in Denver, Colorado! The D’Evelyn Dash brings runners together for a fantastic day of racing and competition in a beautiful mountain setting. Read full details →

Register for this Race →


4th Annual Roost Rebellion Relays

Date: September 2, 2026

Get ready to join the excitement as this beloved relay event returns for its fourth year on September 2nd in Denver’s beautiful Wash Park! Gather three running buddies (with at least one woman on your squad) to form a 4-person relay team, where each runner will tackle roughly a… Read full details →

Register for this Race →


9/11 Heroes Run – Denver, Colorado

Date: September 13, 2026

Join folks of every age and fitness level for a meaningful 5K that celebrates the courage of 9/11 heroes and honors those who’ve served our country. Read full details →

Register for this Race →


31st El Grito 5k (2026)

Date: September 13, 2026

Distance: 5K

Join us Sunday, September 13, 2026 at 9am in Denver for a celebration that’s been going strong since 1994lace up for the 31st El Grito 5k at MSU Denver’s Auraria Parkway campus! Read full details →

Register for this Race →


Healthy Kids Running Series Fall 2026 – Denver, CO

Date: September 13, 2026

This spring running program in Denver welcomes kids from Pre-K through 8th grade for a five-week series featuring age-appropriate distances ranging from 50-yard sprints to one-mile runs. Read full details →

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Denver: Walk With Autism and Resource Fair

Date: September 19, 2026

Get ready to celebrate autism acceptance and community spirit at this inclusive gathering in Denver where runners of all abilities are totally welcome! Read full details →

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2026 Montbello Alive! 5K

Date: September 19, 2026

Distance: 5K

Get ready to celebrate community spirit while hitting the pavement at this beloved Denver gathering, where runners and walkers of all abilities come together for fitness, fun, and neighborhood connection. Read full details →

Register for this Race →


Denver Rotary Club Cycling to Serve 2026

Date: September 26, 2026

This major fundraising event in Denver invites cyclists of all abilities to support the Denver Rotary Club Foundation’s work helping youth locally and funding global initiatives like clean water and education programs in developing regions. Read full details →

Register for this Race →

Why Run in Denver?

Running events in Denver 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

Denver 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 Denver!

Hi, Jeremy Here, 

I am the the guy behind Train for a 5K. On this site, I share everything that learned along my running journey. The content I create is the running training I wish I had before we started this journeyAbout Jeremy. 

I have run over 250 races including the California International Marathon, Clarksburg Country Run, and various other 5K & 10K races throughout the United States. I am a former Athletics department employee at University of the Pacific and Shoe Consultant with Dicks Sporting Goods

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