2017 - 2018 Colorado Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Colorado among 627 races.

627 races

Narrow Gauge 10 Mile & 4 Mile

10 Mile
May 28, 2017 Race day in 1 day
USA / Mountain Region / Colorado / Durango
10 km race to Half Marathon - 10 miles
Charity

Narrow Gauge 10 Mile & 4 Mile

4 Mile
May 28, 2017 Race day in 1 day
USA / Mountain Region / Colorado / Durango
Shorter than 10 km race - 4 miles
Charity

Ultimate Direction Dirty 30

12 Mile
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Golden Gate Canyon State Park
10 km race to Half Marathon - 12 miles
Charity Trail Mountain

Turquoise Lake 20K

June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Leadville
10 km race to Half Marathon - 20 kilometers
Hilly Trail

Ultimate Direction Dirty 30

50K
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Golden Gate Canyon State Park
Ultramarathon - 50 kilometers
Charity Trail Mountain

North Fork 50 Mile/50K Trail Race

50K Trail Race
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Pine Valley Ranch Park, Pine
Ultramarathon - 50 kilometers
Trail Mountain

North Fork 50 Mile/50K Trail Race

50 Mile Trail Race
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Pine Valley Ranch Park, Pine
Ultramarathon - 50 miles
Trail Mountain

Hardscrabble Mountain Trail Run

Hardscrabble Mountain Trail 10 km Run
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Westcliffe
10k race
Charity Trail Mountain

Hardscrabble Mountain Trail Run

Hardscrabble Mountain Trail 5 km Run or Walk
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Westcliffe
5k race - 5 kilometers
Walk Charity Trail Mountain

Run for the Door 5K

June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Denver
5k race - 5 kilometers
Charity

Run The Rockies

Run The Rockies 10K
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Frisco
10k race
Mountain

Run The Rockies

Run The Rockies Half Marathon
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Frisco
Half Marathon
Mountain

XTERRA Turkey Track Trail Run

XTERRA Turkey Track Trail Run 10K
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Pagosa Springs
10k race
Trail Mountain

XTERRA Turkey Track Trail Run

XTERRA Turkey Track Trail Run 5K
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Pagosa Springs
5k race - 5 kilometers
Trail Mountain

XTERRA Turkey Track Trail Run

XTERRA Turkey Track Trail Run Half Marathon
June 03, 2017 Race day in 7 days
USA / Mountain Region / Colorado / Pagosa Springs
Half Marathon
Trail Mountain