2017 - 2018 Colorado Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Colorado among 633 races.

633 races

Six Pack Series Winter Westminster 5k

February 04, 2017 Race day in 11 days
USA / Mountain Region / Colorado / Westminser
5k race - 5 kilometers

Super Half Marathon and Game Day 5K

Game Day 5K
February 05, 2017 Race day in 12 days
USA / Mountain Region / Colorado / Colorado Springs
5k race - 5 kilometers
Road Running

Ralston Creek Half-Marathon & 5K Run

Ralston Creek 5K
February 05, 2017 Race day in 12 days
USA / Mountain Region / Colorado / Arvada
5k race - 5 kilometers
Road Running

Ralston Creek Half-Marathon & 5K Run

Ralston Creek Half-Marathon
February 05, 2017 Race day in 12 days
USA / Mountain Region / Colorado / Arvada
Half Marathon
Road Running

Super Half Marathon and Game Day 5K

Super Half Marathon
February 05, 2017 Race day in 12 days
USA / Mountain Region / Colorado / Colorado Springs
Half Marathon
Road Running

Heart Throb 5k

February 11, 2017 Race day in 18 days
USA / Mountain Region / Colorado / Arvada
5k race - 5 kilometers

Longmont Heart Throb 5k

February 11, 2017 Race day in 18 days
USA / Mountain Region / Colorado / Longmont
5k race - 5 kilometers

peng's company fun run

February 11, 2017 Race day in 18 days
USA / Mountain Region / Colorado / Westminster
5k race - 5 kilometers

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

10K
February 18, 2017 Race day in 25 days
USA / Mountain Region / Colorado / Morrison
10k race - 10 kilometers

Snowman Stampede 5M/10M

10 Mile
February 18, 2017 Race day in 25 days
USA / Mountain Region / Colorado / Littleton
10 km race to Half Marathon - 10 miles

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

1M
February 18, 2017 Race day in 25 days
USA / Mountain Region / Colorado / Morrison
Shorter than 10 km race - 1 miles

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

5K
February 18, 2017 Race day in 25 days
USA / Mountain Region / Colorado / Morrison
5k race - 5 kilometers

Snowman Stampede 5M/10M

5 Mile
February 18, 2017 Race day in 25 days
USA / Mountain Region / Colorado / Littleton
Shorter than 10 km race - 5 miles

Snowman Stampede 5M/10M

Double (Both Events)
February 18, 2017 Race day in 25 days
USA / Mountain Region / Colorado / Littleton
Half Marathon to Full Marathon - 15 miles

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

Half Marathon
February 18, 2017 Race day in 25 days
USA / Mountain Region / Colorado / Morrison
Half Marathon - 13.100 miles