Run through the historic mining district’s challenging old mining roads and trails, and hit a high of 13,185 feet at Mosquito Pass during the Leadville Trail Marathon or Heavy Half […]
Started in 2004 as a fall companion to the popular Canyonlands Half Marathon, Arches Half Marathon has hosted many runners on the road course. In 2021, Arches became a trail […]
Come join over 21,000 runners from all over the world in the Mile High City! 2 Days, 8 Races means a distance for everyone! 26.2 Marathon through the stadium, fire station, […]
The Estes Park Marathon is America’s most scenic marathon course! In the marathon, runners enjoy our famous road course that is surrounded by glorious 360 degree views of Rocky Mountain […]
Marathon, Half Marathon, 10k, 5k and 3-Person Marathon Relay. Marathon, Marathon Relay and Half Marathon runners get to run down the scenic, downhill Poudre Canyon to the finish in Old […]
Run alongside the roaring Elk River through the emerald green pastures on Country Road 129 with the snow-capped Rocky Mountains of Colorado all around and find out why the Steamboat […]
Because a girls weekend should include an exciting challenge, we present Thelma and Louise Marathon Half Marathon and 15K! There is also a marathon and 50K option! Bring your best […]