2017 - 2018 Colorado Half Marathon Calendar

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

116 races

Rock Canyon Half Marathon

December 02, 2017 Race day in 11 days
USA / Mountain Region / Colorado / Pueblo
Half Marathon
Trail

Fa La La 5K, 10K & Half Marathon

December 09, 2017 Race day in 18 days
USA / Mountain Region / Colorado / City Park, Westminster
Half Marathon
All-Out Multisport Productions Charity

Prairie Dog Half Marathon and 10K - Louisville

January 14, 2018 Race day in about 2 months
USA / Mountain Region / Colorado / Louisville
Half Marathon
Charity Road Running

Super Half Marathon and Game Day 5K

February 04, 2018 Race day in 3 months
USA / Mountain Region / Colorado / Colorado Springs
Half Marathon
Road Running

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

February 10, 2018 Race day in 3 months
USA / Mountain Region / Colorado / Morrison
Half Marathon

Ralston Creek Half-Marathon & 5K Run

February 18, 2018 Race day in 3 months
USA / Mountain Region / Colorado / Arvada
Half Marathon
Road Running

DreamCatcher Half Marathon

March 03, 2018 Race day in 3 months
USA / Mountain Region / Colorado / Grand Junction
Half Marathon
Charity

Spring Fever 5K, 10K & Half Marathon

March 18, 2018 Race day in 4 months
USA / Mountain Region / Colorado / Golden
Half Marathon
All-Out Multisport Productions

Dust Bowl Marathon Series Day 4

March 31, 2018 Race day in 4 months
USA / Mountain Region / Colorado / Lamar
Half Marathon
Dust Bowl Series

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

April 14, 2018 Race day in 5 months
USA / Mountain Region / Colorado / Westminster
Half Marathon
All-Out Multisport Productions

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

April 15, 2018 Race day in 5 months
USA / Mountain Region / Colorado / Fruita
Half Marathon
Desert Trail

Rabbit Valley Half

May 12, 2018 Race day in 6 months
USA / Mountain Region / Colorado / Fruita
Half Marathon
Desert Trail
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