12 Hours Ultra Running Events in Wyoming

Upcoming Events

Date Event City Distances
08/23/24 Night Crawler 12 Hour Endurance Challenge Casper 12 Hours

Past Events

Date Event City Distances
08/20/21 Dusk to Dawn Trail Run Sheridan 12 Hours
06/28/14 Happy Jack Endurance Races Laramie 6 Hours , 12 Hours , 24 Hours , 100 Miles
06/25/11 24 Hours of Laramie Laramie 12 Hours , 24 Hours , 100 Miles