2017 - 2018 Colorado Half Marathon Calendar

Browse our Half Marathon Calendar for races organized in Colorado among 116 races.

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116 races

Run The Rockies

Run The Rockies Half Marathon
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Frisco
Half Marathon
Mountain

XTERRA Turkey Track Trail Run

XTERRA Turkey Track Trail Run Half Marathon
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Pagosa Springs
Half Marathon
Trail Mountain

Skirt Sports 13er (Half Marathon and 5k)

13er (Half Marathon distance)
June 04, 2017 Race day in 8 days
USA / Mountain Region / Colorado / Louisville
Half Marathon - 13.100 miles

Boulder Rez Half Marathon

Half Marathon
June 04, 2017 Race day in 8 days
USA / Mountain Region / Colorado / Boulder Reservoir, Boulder
Half Marathon
Flat

Skirt Sports Half Marathon, 10K & 5K

Skirt Sports Half Marathon
June 04, 2017 Race day in 8 days
USA / Mountain Region / Colorado / Louisville
Half Marathon
Women-only Road Running

Steamboat Marathon, Half Marathon and 10K

Steamboat Half Marathon
June 04, 2017 Race day in 8 days
USA / Mountain Region / Colorado / Steamboat Springs
Half Marathon
Hilly Charity Road Running Mountain Steamboat Springs Running Series

GoPro Mountain Games Vail

June 10, 2017 Race day in 14 days
USA / Mountain Region / Colorado / Vail
Half Marathon

Runoff Runoff!

Half Marathon
June 10, 2017 Race day in 14 days
USA / Mountain Region / Colorado / Creede
Half Marathon
Road Running

East-West Trail Half Marathon / 10K

Half Marathon
June 10, 2017 Race day in 14 days
USA / Mountain Region / Colorado / Littleton
Half Marathon
Trail

Steamworks Animas Valley

June 10, 2017 Race day in 14 days
USA / Mountain Region / Colorado / Durango
Half Marathon

Horse & Dragon Half Marathon

Half Marathon
June 11, 2017 Race day in 15 days
USA / Mountain Region / Colorado / Fort Collins
Half Marathon
Fun

REVEL Rockies Marathon & Half Marathon

REVEL Rockies Half Marathon
June 11, 2017 Race day in 15 days
USA / Mountain Region / Colorado / Denver
Half Marathon
Charity Road Running REVEL Race Series Fast

Aravada Summer Breeze 5K, 10K & Half Marathon

Aravada Summer Breeze Half Marathon
June 17, 2017 Race day in 21 days
USA / Mountain Region / Colorado / Aravada
Half Marathon
Charity

Leadville Trail Marathon

Heavy Half Marathon
June 17, 2017 Race day in 21 days
USA / Mountain Region / Colorado / Leadville
Half Marathon
Trail Leadville Race Series

Estes Park Marathon & Half Marathon, 10K & 5K

Estes Park Half Marathon
June 18, 2017 Race day in 22 days
USA / Mountain Region / Colorado / Estes Park
Half Marathon
Road Running