Ultramarathons in Colorado (CO)

Ultramarathon races in ColoradoHere is an upcoming list of ultramarathon races in Colorado.

Click the name of the race to learn more.

Are you a race administrator or marketer and don’t see your upcoming ultramarathon on our list? No worries, you can add it here for free.

Upcoming Ultramarathons in Colorado (CO)

01/31/15 50 KM Frozen Dead Guy 50K – Nederland
02/21/15 50 KM Headless Horsetooth 50K – Loveland
03/14/15 100 KM High Line Canal 100K – Platte Canyon Reservoir Parking Area
04/25/15 50 M Niwot’s Challenge – TBA
05/03/15 50 KM Cimarron 50k Endurance Run – Cimarron
06/14/15 143 M Desert R.A.T.S. ( Race Across The Sand ) – Loma to Rabbit Valley
06/27/15 100 KM Gunnison 100k Endurance Run – Gunnison
08/22/15 100 M Leadville 100 – Leadville

Previous Ultramarathons in Colorado

07/11/14 100 M Hardrock 100 – Silverton
08/23/14 50 M
50 KM
Devil Mountain Ultra – Cnr of Monument Park and Turkey Springs Rd
09/06/14 100 KM
50 KM
Tommyknocker Ultra – Woodland Park
09/06/14 100 KM Ultra Race of Champions ( UROC ) 100K Trail Race – Copper Mountain
09/12/14 100 M Run Rabbit Run 100 Mile – Steamboats Springs
09/27/14 100 KM
50 KM
50 M
The Bear Chase – Lakewood
10/11/14 50 KM
100 KM
100 M
24 Hours of Boulder – Boulder
11/15/14 25 M Monster Marathon – Golden
11/29/14 27.95 M Brass Knuckle Shuffle – Boulder

Alan Perlman

Lead Adventurer at Nerve Rush
For three years, Alan traveled to 60+ countries as an international cost-of-living surveyor. Back in New York City, when he's not running, rock climbing or geeking out about UAV drones, Alan runs a marketing agency that helps companies generate more sales-ready leads using inbound marketing techniques.

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