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Half Marathons in Colorado

Planning to run a Half Marathon in Colorado? Check out the full list below to see which races athletes have rated as the best half marathons in Colorado. View more running races by changing filters and expanding your search area.

All-Out Polar Prowl 1M, 5K, 10K & Half Marathon

Arvada, Colorado

January 11th, 2020

Running: Half Marathon, 10K, 5K, 1 Mile

http://prairiedoghalf.com/summer---castle-rock.html

Castle Rock, Colorado

January 20th, 2019

Running: Half Marathon, 10K, 5K

Prairie Dog Half Marathon

Louisville, Colorado

January 20th, 2019

Running: Half Marathon, 10K, 5K

Super Half Marathon

Colorado Springs, Colorado

February 4th, 2018

Running: Half Marathon, 5K

Ralston Creek Half Marathon

Arvada, Colorado

February 18th, 2018

Running: Half Marathon, 5K

All-Out Mardi Crawl 1M, 5K, 10K & Half Marathon

Lakewood, Colorado

February 22nd, 2020

Running: Half Marathon, 10K, 5K, 1 Mile

Pueblo Marathon

Pueblo, Colorado

February 25th, 2018

Running: Half Marathon Trail Run, Marathon

That Dam Run Half Marathon

Greenwood Village, Colorado

March 4th, 2018

Running: Half Marathon, 5K

Run Through Time Marathon

Salida, Colorado

March 10th, 2018

Running: Half Marathon Trail Run, Marathon, 2 Miles

All-Out Spring Fever 1M, 5K, 10K & Half Marathon

Golden, Colorado

March 24th, 2019

Running: 1 Mile, 5K, 10K, Half Marathon

Spring Equinox Half Marathon

Fort Collins, Colorado

March 25th, 2018

Running: Half Marathon, 1 Mile, 4 Miles

Dust Bowl Marathon Series Day 4

Lamar, Colorado

March 31st, 2018

Running: Half Marathon, Marathon

Lantern Run Denver

Denver, Colorado

April 7th, 2018

Running: Half Marathon, 10K, 5K

Platte River Half Marathon & Buckhorn Exchange Relay

Denver, Colorado

April 7th, 2019

Running: Half Marathon, Relay

Great Bay Half Marathon

Boulder, Colorado

April 8th, 2018

Running: Half Marathon, 5K

Spring Fling Prairie Dog Half

Arvada, Colorado

April 8th, 2018

Running: Half Marathon, Kids Run/Fun Run, 10K, 5K

All-Out Beat the Heat 1M, 5K, 10K, Half & Full Marathon

Westminster, Colorado

April 13th, 2019

Running: Marathon, Half Marathon, 10K, 5K, 1 Mile

Bulldog Run

Trinidad, Colorado

April 14th, 2018

Running: Half Marathon, 10K, 5K

Desert RATS Trail Running Festival - Half Marathon & 5M

Fruita, Colorado

April 14th, 2019

Running: Half Marathon Trail Run, 5 Mile Trail Run

Horsetooth Half Marathon

Fort Collins, Colorado

April 14th, 2019

Running: Half Marathon
 

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