Trail Running calendar near Parker 2026-2027

A trail running event in Louisville, CO on November 14 offering a half marathon, 10K and 5K on out-and-back dirt courses with several aid stations, designated drop bag area, limited onsite parking and family-friendly post-race festivities.

A four-race trail series in city and county parks with increasing distances and varied terrain. The races are chip timed and overall awards require completion of all four events.

A winter trail event in Colorado Springs offering 50k, half marathon, and 10k courses that start at Bear Creek Regional Park. Trails include historic High Drive and Gold Camp Road with stocked aid stations and crew accessible points.

A four-race trail series in city and county parks with increasing distances and varied terrain. The races are chip timed and overall awards require completion of all four events.

The Sawmill Trail Runs will take place in Conifer on Saturday 5 December 2026. You can run 50 kilometers.

Experience winter trail running at Cheyenne Mountain State Park with views of Pike's Peak. Choose from traditional race distances or unique timed events ranging from 6 to 15 hours across four scenic loops.

Long-distance races along the Poudre River Trail offering 50 mile and 100 mile solo and relay options, with the 50 mile point-to-point finishing at Island Grove in Greeley. Supported course with aid stations and exchange zones.

Rattler Trail Race in Palmer Park, Colorado Springs on April 17, 2027 offers 5K, 10K, 25K and a 50K two loop course on singletrack with sandstone bluffs, technical sections and views of the city and Pikes Peak.

Trail races in Larkspur, Colorado offering four on site distances from 4 miles to a 50K ultra plus virtual options. Chip timing, technical shirts, and food and beer at the finish accompany soft dirt courses with Pikes Peak as a backdrop.

A road and trail running event in Garden of the Gods Park on May 1, 2027 offering 5K, 5 mile, and a 9.5 mile option with closed roads, multiple aid stations, and views of the park's iconic rock formations.

A women focused trail running event at Cheyenne Mountain State Park on May 8, 2027 offering distances from 4 mile to 50K across limestone, singletrack and ridgelines, with cupless aid stations and race packet pickup the day before.

Trail races near Fort Collins offering 25 and 50 mile options on mostly singletrack through Lory State Park and Horsetooth Mountain Park, featuring about 5,500 ft or 11,000 ft of vertical gain, staffed aid stations, and marked trails.

Trail races at Mueller State Park from 10k to marathon plus two 12 hour timed events that use colored ball draws to set loop sequences. All courses are single and double track with no pavement and feature an aid station.

Weekend of obstacle races at Fort Carson with Sprint, Super, Beast and Ultra distances, plus kids races and spectator access. The courses use high elevation terrain with steep climbs and rugged trails.

A multi format running festival near Eaton Colorado on a private 146 acre property featuring loop courses, relay and virtual options, sauna and cold plunge access, plus camping and glamping.

Trail races at Granby Ranch Resort in Colorado on June 12, 2027, across multiple distances including a 14-hour Elevation Challenge scored by total elevation climbed. The event uses mountain single-track, aid stations, drop bags, and has a 2..

A trail event near Parker Colorado featuring a 10k with a stepped incline, a kids one mile on the same start, age and gender based staggered starts, aid stations on the loop, and volunteer entry options.