2017 - 2018 Colorado Half Marathon Calendar

Browse our Half Marathon Calendar for races organized in Colorado among 117 races.

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117 races

Platte River Half Marathon & Buckhorn Excahnge Relay

April 09, 2017 To be confirmed Race day in 11 days
USA / Mountain Region / Colorado / Littleton
Half Marathon
Road Running

Prairie Dog Half Marathon and 10K - Arvada

Prairie Dog Half Marathon - Arvada
April 09, 2017 Race day in 11 days
USA / Mountain Region / Colorado / Arvada
Half Marathon
Charity Road Running

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

All-Out Beat the Heat Half Marathon
April 15, 2017 Race day in 17 days
USA / Mountain Region / Colorado / Westminster
Half Marathon
All-Out Multisport Productions

Desert R.A.T.S. Trail Running Festival

Half Marathon
April 16, 2017 Race day in 18 days
USA / Mountain Region / Colorado / Fruita
Half Marathon
Desert Trail

Rock Hawk Half Marathon, 10K and 5K

Half Marathon
April 22, 2017 Race day in 24 days
USA / Mountain Region / Colorado / Castle Rock
Half Marathon
Trail

Horsetooth Half Marathon

April 23, 2017 Race day in 25 days
USA / Mountain Region / Colorado / Fort Collins
Half Marathon
Hilly Road Running Relay

Three Creeks Half Marathon

April 23, 2017 To be confirmed Race day in 25 days
USA / Mountain Region / Colorado / Denver
Half Marathon - 13 miles

Colorado Marathon

Colorado Half Marathon
May 07, 2017 Race day in about 1 month
USA / Mountain Region / Colorado / Fort Collins
Half Marathon
Road Running

Rabbit Valley Half

May 13, 2017 Race day in about 2 months
USA / Mountain Region / Colorado / Grand Junction
Half Marathon
Desert Trail

Carbon Valley Half Marathon

Carbon Valley Half Marathon
May 20, 2017 Race day in about 2 months
USA / Mountain Region / Colorado / Firestone
Half Marathon
Charity Road Running Relay

Fear the Deer trail 1/2 marathon

May 20, 2017 Race day in about 2 months
USA / Mountain Region / Colorado / Littleton
Half Marathon
Trail Mountain

Palmer Lake Trail Half Marathon and 10K

Half Marathon
May 20, 2017 Race day in about 2 months
USA / Mountain Region / Colorado / Palmer Lake
Half Marathon
Trail

Kaiser Permanente Colfax Marathon

Colfax Half Marathon 13.1
May 21, 2017 Race day in about 2 months
USA / Mountain Region / Colorado / Denver
Half Marathon
Charity Flat Road Running Fast

Endurance House Erie Half & 5k

Half Marathon
May 21, 2017 Race day in about 2 months
USA / Mountain Region / Colorado / Erie
Half Marathon - 13.100 miles

Run The Rockies

Run The Rockies Half Marathon
June 03, 2017 Race day in 2 months
USA / Mountain Region / Colorado / Frisco
Half Marathon
Mountain