Trail Running calendar near Fountain 2026-2027

Celebrate July 4 with Pueblo's Firecracker 5K along the scenic Arkansas River Trail starting at City Park Pavilion. Family friendly fun with medals, outfit contests, Kona Ice and proceeds supporting Southern Colorado Runners Club.

High Trails Retreat in Buena Vista July 9 to 12 2026 offers daily runs of 10 to 20 miles and an optional Hope Pass or Sawatch 14er climb. Stay riverside, share meals, relax by the river and pick routes with the group.

Experience high alpine trails above 10,000 feet at the Silverheels Trail Runs in Como, Colorado, July 10 to 11, 2026, with distances from 10 mile to 100 mile across scenic single track, meadows and historic mining sites. Limited fields make..

A summer mountain run in Manitou Springs covering 12.6 mile on Barr Trail to Barr Camp and back, part of the Garden to Peak Challenge. The event includes BTMR, a competitive category for ages 16 and up, and an aid station sponsorship option..

Join TransRockies Run Pass to Pub for three days of alpine trail racing from Hope Pass to Red Cliff in Leadville, Colorado, with fully supported camp life, live music, showers and catered meals. Limited to 500 runners July 19 to 21, 2026.

Tackle rugged trails near Pikes Peak in the Pikes Peak Ultra, a scenic trail ultramarathon in Colorado Springs with 20K to 50 Mile options, including summit runs on Mt Rosa for the longer distances. Expect big climbs and sweeping views.

Take on high alpine trails above 10,600 feet in Fairplay, Colorado at the Sheep Mountain Trail Runs, with Half Marathon, 50k and 50 Mile distances. Enjoy technical singletrack, sweeping mountain views and a finisher award.

Experience the Buena Vista Pack Burro Race in Colorado on August 2, 2026 with long and short courses and options to compete with or without a burro. Finishers enjoy a gift, pizza buffet, free photos and small town Triple Crown charm.

Roxborough Ultras features 50K and 50M all trail ultramarathons in Roxborough State Park with sustained climbing, technical terrain, and big elevation gain. August is hot and dry with limited shade and spaced aid stations, so carry water an..

Staunton Rocks! Marathon and Half deliver high altitude singletrack through Staunton State Park, offering sweeping mountain views, alpine wildlife, and serious vertical gain. With just 150 spots per distance, this rugged trail run fills fas..

Run Rock Hawk Trail Races at Philip S. Miller Park in Castle Rock with 5K, 10K, 25K and 50K on rolling singletrack and scenic ridge views. Proceeds support open space and the race offers chip timing and live split tracking.

Take on the legendary Pikes Peak Ascent and Marathon in Manitou Springs, Colorado, racing Barr Trail to the 14,115 foot summit. Choose the 13.3 mile Ascent to the top or the full 26.2 mile marathon up and back for a stunning high altitude c..

Take on the scenic trails of North Table Mountain Park in Golden and support BeyondHome’s work helping families build stable, self sufficient futures. Enjoy community vibes, stunning views, and artisan awards for top finishers.

Test yourself on the iconic Pikes Peak Ascent, a 13.3 mile run from Manitou Springs to the summit with breathtaking views and huge elevation gain. A bucket list challenge for runners who crave high altitude adventure.

Hit the Rainbow Trail in the Sangre de Cristo Mountains near Westcliffe Colorado on September 26 and 27 2026. Choose distances from 8 miles to 100 miles and earn a unique finisher award amid epic mountain scenery.

Run rugged high alpine trails around Buena Vista, Colorado at the West Line Winder on September 26, 2026, with 30K and 50K options across scenic singletrack and forest roads. Pair with the Sawatch Ascent 50k to take on the Sawatch 50/50 cha..

Take on the 24 Hours of Palmer Lake, a community driven 24 hour endurance run on a scenic 0.82 mile loop atop the Palmer Divide. Run among mountain views, chase a 100 mile buckle and test your limits.

Sawatch Ascent is a mountain 50k in Nathrop, Colorado, around Mount Princeton spanning 33 miles and about 7,000 feet of climbing. Expect long singletrack, big alpine views, and finishers perks like a shirt, medal, and pro photos.

Bear Chase Trail Race is a two day endurance festival at Bear Creek Lake Park with distances from 5K to 100K on scenic single track trails. Ultras race Saturday, shorter events Sunday, and proceeds help Lakewood open space and trails.

Run Wildcat Mountain near Littleton with 10 mile, 10K and kids races on rolling dirt trails and wide mountain views. Finishers get a dry fit shirt, medal, pancake breakfast and post race beers.