2018 - 2019 Colorado Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Colorado among 695 races.

695 races

Frosty's Frozen Five and Ten

5 Mile
01/20/2018 - 09:00
North America / USA / Mountain Region / Colorado / Littleton
Shorter than 10 km race
Running

Frosty's Frozen Five and Ten

10 Mile
01/20/2018 - 10:15
North America / USA / Mountain Region / Colorado / Littleton
10 km race to Half Marathon
Running

Six Pack Series Winter 2 Mile & 5k

5k
01/20/2018 - 09:00
North America / USA / Mountain Region / Colorado / Westminster
5k race
Running

Six Pack Series Winter 2 Mile & 5k

2 miles
01/20/2018 - 09:00
North America / USA / Mountain Region / Colorado / Westminster
Shorter than 10 km race
Running

Frost Giant 5K

01/27/2018 - 10:00
North America / USA / Mountain Region / Colorado / Estes Park
5k race
Running

Yeti Chase 5k/10k

Yeti Chase 10k
01/28/2018 - 10:00
North America / USA / Mountain Region / Colorado / Morrison
10k race
Running

Yeti Chase 5k/10k

Yeti Chase 5k
01/28/2018 - 10:00
North America / USA / Mountain Region / Colorado / Morrison
5k race
Running

Six Pack Series Winter Westminster 5k

02/03/2018 - 09:00
North America / USA / Mountain Region / Colorado / Westminster
5k race
Running

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

Super Half Marathon and Game Day 5K

Game Day 5K
02/04/2018 - 10:15
North America / USA / Mountain Region / Colorado / Colorado Springs
5k race
Road Running

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

10K
02/10/2018 - 09:30
North America / USA / Mountain Region / Colorado / Morrison
10k race
Running

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

1M
02/10/2018 - 09:45
North America / USA / Mountain Region / Colorado / Morrison
Shorter than 10 km race
Running