Colorado Half Marathons

Browse our list of Colorado half marathons by city below, or see the clickable map at the bottom of the page to view races by date in other states. For each race, you’ll find course maps, elevation profiles, runner reviews, fees, and info on how to register.

See also: 2014 Calendar of Colorado Half Marathons

Arvada

9/11 Remembrance Run Half Marathon, 10K & 5K

Summer Breeze Half Marathon, 10K & 5K

Aspen

Aspen Valley Marathon, Half Marathon & 5K

Vasque Golden Leaf Half Marathon

Aurora

Colorado Colfax Marathon & Half Marathon

Basalt

Basalt Half Marathon

Buena Vista

Autumn Color Runs

Boulder

Boulder Marathon, Half Marathon & Relay

Boulder Spring Half Marathon, 10-Mile & 10K

Heart & Sole Half Marathon

Breckenridge

Breck Crest Mountain Marathon & Half Marathon

Breckenridge Hunky Dory Half Marathon

Castle Rock

Area 13.1 Half Marathon & Terrestrial 5K

Castle Rock Half Marathon, 5-Mile & Rock Challenge

Colorado Springs

American Discovery Trail Marathon & Half Marathon

Big Mountain Trail Run Half Marathon, 10K & 5K

Pikes Peak Ascent Half Marathon

Super Half Marathon & 5K Family Run/Walk

Xterra Trail Run Marathon, Half Marathon & 5K

ZOOMA Colorado Half Marathon & 10K

Copper Mountain

Copper Mountain Half Marathon

Crested Butte

Crested Butte Fall Color Classic Half Marathon

Denver

Denver Half Marathon

Race for Open Space Half Marathon, 5K & 10K

Rock & Roll Denver Marathon & Half Marathon

Rocky Mountain Half Marathon

Durango

Steamworks Animas Valley Half Marathon

Erie

Redline 13.1 Erie Half Marathon & 5K

Estes Park

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

Fort Collins

Blue Sky Marathon & Half Marathon

Colorado Marathon, Half Marathon, 5K & 10K

Crossroads Half Marathon & 5K

Equinox Half Marathon & 5-Mile Run

Horsetooth Half Marathon

Red Mountain Trail Race Half Marathon

Frisco

Run The Rockies Half Marathon

Gateway

4th of July Half Marathon & 5K

The Better 1/2 Half Marathon & 5-Mile Run

Georgetown

Georgetown to Idaho Springs Half Marathon

Slacker Half Marathon

Glenwood Springs

Glenwood Canyon Shuffle Race for Literacy

Glenwood Springs Half Marathon & 10K

Granby

Middle Park Half Marathon

Highlands Ranch

Highlands Ranch Half Marathon & 5K

Wildcat Mountain Half Marathon

Keystone

Keystone Half Marathon, 10K, 5K & Kids Run

Lake City

Mountaineer Marathon & Half Marathon

Lakewood

The Bear Chase Trail Half Marathon, 50K, 10K & 50-Miler

Mount Carbon Trail Half Marathon & North Park Trail 5K

Leadville

Turquoise Lake Half Marathon

Littleton

Fear the Deer Trail Half Marathon

Platte River Half Marathon & Buckhorn Exchange Relay

Longmont

American Heroes Run Marathon, Half Marathon, Relay, Ultra & 5K

Redline 13.1 at Longmont Half Marathon

Louisville

Taste of Louisville Half Marathon, 5K & Kids Run

Loveland

Heart Center of the Rockies Half Marathon, 10K & 5K

Pagosa Springs

Devil Mountain Ultra 50-Mile, 50K & Half Marathon

Mountain Chile Cha Cha 5K, 10K & Half Marathon

Turkey Track Trail Marathon & Half Marathon

Palisade

Grand Valley Marathon, Half Marathon, 10K & 5K

Pueblo

Rock Canyon Half Marathon

Ridgway

Mount Sneffels Half Marathon

Salida

Arkansas River Bluegrass Marathon & Half Marathon

Run Through Time Marathon, Half Marathon & 2-Mile Run

Silverton

Kendall Mountain Run Marathon & Half Marathon

Steamboat Springs

Mountain Madness Half Marathon

Steamboat Marathon, Half Marathon & 10K Run/Walk

Trinidad

Bulldog Run Half Marathon, 10K & 5K

Run for the Fallen Coal Miners Half Marathon, 10K & 5K

Vail

Cruxy Half Marathon

La Sportiva Vail Half Marathon

Teva Mountain Games Vail Pass Half Marathon

Westminster

Dog Days Half Marathon, 10K & 5K

Fa La La Half Marathon, 10K & 5K

Redline 13.1 Westminster Half Marathon & 5K Run/Walk

Or, click a state to view its 2014 race calendar:

Washington State
Oregon
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California Half Marathons Calendar
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Alabama
Florida
Georgia
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Indiana
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