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Colorado Races

Marathons, Half Marathons, 10Ks, 5Ks

  1. Races by State
  2. Colorado

Looking for Colorado races? You’re in the right place!

Here are just a few of the upcoming marathons, half marathons, 10K races and 5K races happening in Colorado. You can also browse races by city and distance.

For each race you’ll find key details, finisher ratings and reviews, photos, videos, related articles, race-day weather data and a link to register.

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Showing races in Colorado

Cheyenne Mountain Trail Race
Colorado Springs, CO | Apr 26, 2025

OVERALL

(1 rating)

3
Earth Day 10K & 5K (fka Loveland Classic)
Loveland, CO | Apr 26, 2025

OVERALL

(0 ratings)

0
Royal Gorge Groove
Canon City, CO | Apr 26, 2025

OVERALL

(0 ratings)

0
Runs With Scissors Races
Brighton, CO | Apr 26, 2025

OVERALL

(2 ratings)

3.5
NOCO Half Marathon & 10K
Loveland, CO | Apr 27, 2025

OVERALL

(7 ratings)

4
RMRR Blue Heron Half Marathon & 5K
Brighton, CO | Apr 27, 2025

OVERALL

(0 ratings)

0
Collegiate Peaks Trail Runs
Buena Vista, CO | May 3, 2025

OVERALL

(0 ratings)

0
Falcon 50 Race Series
Air Force Academy, CO | May 3, 2025

OVERALL

(0 ratings)

0
Greenland Trail Races
Larkspur, CO | May 3, 2025

OVERALL

(3 ratings)

4.3
Hayden Cog Run
Hayden, CO | May 3, 2025

OVERALL

(0 ratings)

0
Take 5 in the Garden
Colorado Springs, CO | May 3, 2025

OVERALL

(0 ratings)

0
Colorado Marathon
Fort Collins, CO | May 4, 2025

OVERALL

(22 ratings)

4.2
Longmont Half and 5K
Longmont, CO | May 4, 2025

OVERALL

(2 ratings)

3.5
Carbon Valley Half Marathon & 5K
Firestone, CO | May 10, 2025

OVERALL

(2 ratings)

4
High Line Canal Run
Centennial, CO | May 10, 2025

OVERALL

(0 ratings)

0
Miles over the Meadow Mother’s Day 5K
Parker, CO | May 10, 2025

OVERALL

(0 ratings)

0
Mother’s Day Run Louisville Colorado
Louisville, CO | May 10, 2025

OVERALL

(0 ratings)

0
Mountain Ridge Trail Race
Littleton, CO | May 10, 2025

OVERALL

(0 ratings)

0
Muddy Dash Denver
Erie, CO | May 10, 2025

OVERALL

(1 rating)

4
Niwot’s Challenge
Sedalia, CO | May 10, 2025

OVERALL

(0 ratings)

0

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