Trail Running calendar near Alma 2026-2027

Summit Grays and Torreys Peaks in this 8.8 mile Colorado endurance event. Participants must carry a 20lb dry load while tackling 4,101 feet of elevation gain.

Experience the historic Race Across the Sky in the Colorado Rockies. This legendary 100 mile ultramarathon features over 15,000 feet of elevation gain reaching heights of 12,626 feet.

Experience the high-altitude scenery of Leadville on this 10K course, which follows the first and final miles of the famous LT100 Run. With a single aid station and awards for top finishers, it's a classic mountain run. Registration is open..

Experience a high altitude trail run through the Rocky Mountains on 100 percent unpaved roads and trails. This dog friendly event in Fraser supports children facing cancer through the Shining Stars Foundation.

Experience high altitude trail running through the scenic singletrack and historic landmarks of Staunton State Park. Choose between a full or half marathon featuring sweeping mountain views and a festive post-race meal.

Experience high altitude trail running through the aspen groves and ski resorts of Arrowhead and Bachelor Gulch. Choose between a challenging half marathon with significant elevation gain or a scenic point to point downhill 5K.

Experience the rolling trails and scenic views of Philip S. Miller Park in Castle Rock. With distances from 5K to 50K, this event offers well stocked aid stations and a supportive environment for all trail runners.

Join a family friendly trail event in Aurora featuring 5K distances and a kids run. Enjoy dog demonstrations, a pancake breakfast, and a kids fun zone while supporting therapy and patrol K9 units.

Experience a 40 mile point to point ultramarathon through the Elk Mountains from Crested Butte to Aspen. This high alpine challenge features 6000 feet of elevation gain and supports local recreational non-profit initiatives.

Experience a high altitude mountain run at Arapahoe Basin covering 9.4 miles and 2,211 feet of vertical gain. Runners summit Little Lenawee peak and finish with live music and professional photos at Mountain Goat Plaza.

Join the community for a 5K run or walk on a brand new dirt course at the North Arvada Middle School Athletic Complex. Support local high school racers before taking on this off road route yourself.

Test your endurance at Staunton State Park with weighted rucking options ranging from 6.5 to 21.5 miles. Choose your load and tackle the Colorado trails to support the Special Forces Foundation.

Experience a historic Colorado mountain tradition in Nederland with trail and road races. Choose between a half marathon, 10K, or a dog friendly 5K while winding through scenic trails and old town streets.

Experience high altitude trail running at the Snow Mountain Ranch Trail Running Festival in Granby. Choose from distances ranging from 5 km to 50 km on scenic dirt and grass paths reaching nearly 10000 feet in elevation.

Tackle high-altitude trails in the Colorado Rockies. Choose between a demanding 50K or a 22K point-to-point course, both featuring single-track paths and significant climbs. This remote race requires experience and preparation.

Experience a scenic trail run through sage brush and ponderosa pines in the Rocky Mountains. Choose between a half marathon or 10k distance with stunning views of the Collegiate Peaks in Buena Vista.

Experience the historic landscapes of Meadow Mountain in Minturn with a technical trail race through alpine meadows and singletrack. Choose between 5K and 11K routes featuring beautiful views of the Gore Range.

Discover the scenic Elk Mountains in Marble Colorado with trail races ranging from a 25 km loop to a kids fun run. Support a local charter school while enjoying peak fall colors and a post race barbecue meal.

Experience the scenic trails of North Table Mountain in Golden with 5 and 10 mile races. Run through challenging switchbacks and loops to support families transitioning from homelessness.

Follow the historic Barr Trail on a 13.3 mile journey from Manitou Springs to the 14,115 foot summit of Pikes Peak. Experience a 7,800 foot vertical climb through Colorado forests and alpine terrain in this high altitude event.