20K

A behemoth of running races, the adidas Terrex 20K Trail Run is for the boldest competitors. Destroy a near-half marathon on a difficult course that spans nearly the entire front side of Vail Mountain! One of the more challenging and…

The Alberta Peak Challenge is a 4-mile and 12-mile trail race that starts and finishes at the base area of Wolf Creek Ski Area. The race course follows the gravel roads, double-track and single-track trails within and around the ski area…

Join us at Staunton State Park for a beautiful 20k trail race. Runners will start at 8,215 feet of elevation and reach an elevation of 9,579 feet at the Eagle Cliff Overlook. Please bring a water bottle. Download the race map (PDF).

The series consists of four progressively longer (LONG AND SHORT) races. Please note: You must choose your distance when registering. The Long Race starts at 10:00AM. Short Race starts at 10:20AM. The courses are gravel/paved roads, packed…

Pikes Peak Ultra was created in 2015 to showcase some of the very best trails in Colorado Springs.  As a teenager, RD Justin Ricks trained on these trails and dreamed of one day hosting a race. After creating Mad Moose Events, Pikes Peak…

Prepare for some fun in Cañon City! Enjoy scenic views along the rim of the Royal Gorge, 900 feet above the Arkansas River. All races will start/finish at the Royal Gorge Ranch & Resort. Distances include a 50K, 30K, 20K, 12.5K, 5K and…

Desert Rats Trail Running Festival by UTMB has four unique distances, three days of racing and indescribable views of the desert. There is something for every runner. Enjoy views of the Colorado River as you race through flowy singletrack,…