Trail Running calendar near Littleton 2026-2027

The Snow Mountain Ranch Trail Running Festival in Granby, Colorado offers five distances from 5K to 50K on scenic dirt trails. Participants can tackle single races or multi race challenges. The event features autumn colors, rolling hills, a..

The Black Squirrel Half Marathon is a 13.5-mile trail race through Lory State Park near Fort Collins. Runners tackle a significant climb to a scenic ridge before descending on rolling singletrack. The event includes aid stations, a generous..

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.

The Break of Dawn North Table Trail Race features 10-mile and 5-mile courses on the trails of North Table Mountain in Golden. The event supports BeyondHome's mission. Packet pickup is available in the days before the race.

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.

The 71st Pikes Peak Marathon is a 26.2-mile mountain run with nearly 8,000 feet of elevation gain and loss. The route goes from Manitou Springs to the summit of Pikes Peak and back.

The Estes Epic returns to Colorado's mountains with trail runs and a mountain bike race. Choose from a 50k run, a heavy half marathon, a 50k bike race, or the ultimate "Epic" double. The event supports the local high school mountain bike te..

The Bear Chase Trail Race is a two-day endurance festival at Bear Creek Lake Park. Runners can choose from six distances, from a 5K to a 100K, on scenic dirt and single-track trails. Part of the proceeds support local trails and charities.

Explore the scenic HRCA Backcountry Wilderness Area on this autumn trail race near Wildcat Mountain. Choose between a 10-mile or 10K course on rolling dirt trails. The event includes a kids' race and features a pancake breakfast and post-ra..

A classic four-race trail series in Colorado Springs parks, with distances growing each week from 3.8 to 7.4 miles. Awards celebrate those who complete the entire cross-country challenge. The long-running event enforces strict safety rules..

Distances and Time Limits The Indian Creek Trail Runs is a multi-distance trail running event offering four options: A 50-mile race and a 55k (approx. 34 miles) race, both with a 14-hour time limit. A 15-mile race and a 5-mile race, both w..

Bobcat Trail Races The Bobcat Trail Races take place in Palmer Park in Colorado Springs, Colorado. The event features four trail running distances: 50K, 25K, 10K, and 5K. The course runs through an urban park setting, showcasing views of th..

This October trail event near Fort Collins features a marathon and a half marathon on the scenic Blue Sky Trail. Run mostly on singletrack through the Front Range hogbacks, the races offer generous time cut-offs. A post-race meal, t-shirt,..

Run on scenic trails at Bear Creek Lake Park with views of Denver. Choose between a 5-mile loop or a two-lap 10-mile challenge. Your entry includes park admission, a t-shirt, and a finish line celebration with food and drinks.

A classic four-race trail series in Colorado Springs parks, with distances growing each week from 3.8 to 7.4 miles. Awards celebrate those who complete the entire cross-country challenge. The long-running event enforces strict safety rules..

Trail races at Bear Creek Lake Park offering 5 km, 15 km, a 5 km plus 15 km double, and a Kids 1 km. Main race registration includes socks or a neck gaiter and a pancake breakfast while kids receive a stuffy at the finish.

A classic four-race trail series in Colorado Springs parks, with distances growing each week from 3.8 to 7.4 miles. Awards celebrate those who complete the entire cross-country challenge. The long-running event enforces strict safety rules..

A single-loop 13.1-mile trail half marathon in the Highlands Ranch Backcountry Wilderness near Lone Tree, CO, featuring dirt and singletrack terrain, four aid stations, finisher rewards, post-race food and beverages, and cash prizes for top..

Event Details The Louisville Trail Race is a community trail running event in its 13th year. It takes place in Louisville, Colorado. The courses offer views of the Flatirons and the front range mountains. Distances Half Marathon 10K 5K Co..

A classic four-race trail series in Colorado Springs parks, with distances growing each week from 3.8 to 7.4 miles. Awards celebrate those who complete the entire cross-country challenge. The long-running event enforces strict safety rules..