Trail Running calendar near Idaho Springs 2026-2027

The Farish Trail Race takes place on May 23, 2026 at the Farish Recreation Area in Woodland Park, Colorado. Participants can run a half marathon, 10K, 5K, or a free kids' one-mile event. The first 200 finishers get a special hat.

Test your endurance at this Golden Colorado event following the classic backyard format with 4.17 mile laps every hour. Support the Sun Valley Kitchen and Community Center while pushing for your personal best distance.

Celebrate Memorial Day weekend with the Spirit Trail Race in Buena Vista, Colorado, a scenic trail event with marathon, half marathon and 9k options. Start in town square, enjoy Paddlefest fun, and support local nonprofits.

Test your endurance at high altitude with a range of obstacle course races from 5K to 50K held at the scenic Fort Carson Army Base near Pikes Peak.

A weekend running festival in Eaton, Colorado offering distances from 7K to 100 miles, relay teams and 36 hour options on a 2 mile groomed dirt loop, with on-site camping, glamping and amenities such as sauna, cold plunge and aid stations.

Experience a mountain trail ultramarathon through the scenic Buffalo Creek Recreation Area in Colorado. Choose between a 50 mile or 50K course featuring nearly 100 percent singletrack trails and stunning granite rock formations.

A 20K run clockwise around Turquoise Lake near Leadville, CO, mixing 6.5 miles of hilly paved road with 5.5 miles of single track trail, with proceeds supporting Leadville youth athletics and a nominal day use parking fee.

A 5K trail run at the Leadville National Fish Hatchery with a cross country style route through subalpine forest around Evergreen Lakes and lower Rock Creek. Adults $15; youth 17 and under free.

A trail event in Parker, CO featuring a Dipsea-style staggered-start 10k and a kids 1 mile. The route has an early stepped incline, rolling technical sections, an aid station on the loop, and a fast final 200 m to the finish.

Experience the Rocky Mountains at Granby Ranch Resort with distances ranging from 6 miles to a 14 hour elevation challenge. Runners navigate single track trails through aspen groves and alpine meadows with views of the mountain range.

Experience smooth single track trails and sweeping views of Pikes Peak at the Great Divide Ultra. Choose from distances ranging up to 100 miles on a scenic looped course through the meadows of Mueller State Park.

A multi-distance running festival at Luvin Arms Animal Sanctuary in Erie, CO, featuring looped off-road courses with mountain views, one central aid station, onsite parking, and races from 5k up to 50 miles plus 3hr/6hr/9hr/12hr timed event..

Experience a scenic loop course through the Devil’s Backbone Open Space in Loveland. This manual timed trail run features natural terrain and includes a commemorative hat for all participants.

A four race trail series at the Argo trails in Idaho Springs, Colorado, held June to September 2026. Each event is about 5 miles with 785 feet of gain on non technical, runnable trails with visual finish timing.

Looped trail races around Barr Lake in Brighton, Colorado, with five distances on 100 percent dirt and lake and Front Range views. Courses have low elevation gain per loop, designated aid stations on longer routes, and drop bag areas.

Races through Garden of the Gods Park include a 10 mile road, 10K road and 10K trail, all finishing at Rock Ledge Ranch. The routes pass towering sandstone formations, include aid stations, and end with on-site post-race food and music.

Prepare for the Race Across the Sky at this three day training camp in Leadville. Run key sections of the 100 mile course alongside veteran guides and attend educational panels on nutrition and biomechanics.

Ring the Springs is a trail race at Rock Ledge Ranch in Garden of the Gods offering 100K, 50K and 35K courses that traverse city parks, North Cheyenne Cañon and Pike National Forest with multiple aid stations and drop bag options.

Experience up to three miles of messy fun at the Colorado National Speedway. Navigate obstacles by crawling wading and sliding through the mud with friends and family during this unique event in Dacono.

Celebrate the longest day of the year with a scenic trail run through Beaver Creek Resort. Enjoy blooming wildflowers and breathtaking mountain views across diverse single track and gravel courses.