2018 - 2019 Colorado Half Marathon Calendar

Browse our Half Marathon Calendar for races organized in Colorado among 115 races.

115 races

Super Half Marathon and Game Day 5K

Super Half Marathon
02/04/2018 - 10:00
North America / USA / Mountain Region / Colorado / Colorado Springs
Half Marathon
Road Running

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

Half Marathon
02/10/2018 - 09:00
North America / USA / Mountain Region / Colorado / Morrison
Half Marathon
Running

Ralston Creek Half-Marathon & 5K Run

Ralston Creek Half-Marathon
02/18/2018
North America / USA / Mountain Region / Colorado / Arvada
Half Marathon
Road Running

DreamCatcher Half Marathon

03/03/2018 - 07:00
North America / USA / Mountain Region / Colorado / Grand Junction
Half Marathon
Running

Run Through Time Marathon and Hard Half

Half Marathon
03/10/2018 - 09:00
North America / USA / Mountain Region / Colorado / Salida
Half Marathon
Trail Running Solo

Spring Fever 5K, 10K & Half Marathon

Spring Fever Half Marathon
03/18/2018 - 09:00
North America / USA / Mountain Region / Colorado / Golden
Half Marathon
Running

Equinox Spring Half Marathon & 4 Mile

Half Marathon
03/25/2018 - 09:00
North America / USA / Mountain Region / Colorado / Fort Collins
Half Marathon
Road Running Solo

Dust Bowl Marathon Series Day 4

Dust Bowl Marathon Series Day 4 Half-Marathon
03/31/2018 - 06:30
North America / USA / Mountain Region / Colorado / Lamar
Half Marathon
Running

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

All-Out Beat the Heat Half Marathon
04/14/2018 - 08:00
North America / USA / Mountain Region / Colorado / Westminster
Half Marathon
Running

Bulldog Run 11/18/2017

Half Marathon
04/14/2018 - 08:00
North America / USA / Mountain Region / Colorado / Trinidad
Half Marathon
Running

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

Half Marathon
04/15/2018 - 08:30
North America / USA / Mountain Region / Colorado / Fruita
Half Marathon
Desert Trail Running

Rabbit Valley Half

05/12/2018 - 07:30
North America / USA / Mountain Region / Colorado / Fruita
Half Marathon
Desert Trail Running
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