Trail Running calendar near Byers 2025-2026

Niwot’s Challenge is an invitation only, navigation driven ultra near Sedalia CO that emphasizes self reliance on rugged off trail terrain. Choose roughly 24, 50, or 100 mile routes with massive elevation gain and strict no GPS rules for a..

Run scenic dirt trails in Greenland Open Space near Pikes Peak with 50K, 25K, 8 Mile and 4 Mile options, highlighted by the 2026 RRCA National 50K Championship. Expect sweeping views, solid race swag and a lively trail day atmosphere.

Run through Garden of the Gods on May 2, 2026 with roads closed to traffic for a safe, scenic outing. Choose road or trail routes that pass iconic rock formations and offer stunning views of Pikes Peak.

Tackle spring singletrack and rocky descents at the Valkyrie Trail Race in Cheyenne Mountain State Park, a women focused trail event. Choose from 4 Miler to 50K and soak up big mountain views and rugged fun.

Ram Party Trail Runs : May 16, 2026 Ram Party Trail Runs takes place in the Colorado Springs / Woodland Park area with race activity centered around Rampart Reservoir. Distances offered on Saturday are: 55 Mile 60K 50K 24K 15K The event l..

Run rugged single and double track trails at Mueller State Park with distances from 10k to marathon and a playful 12 hour loop where colored balls pick your next lap. One main aid station, scenic views, and on site camping.

The Weld Your Mettle Running Festival, held in Eaton, Colorado, is a multi-day event featuring a variety of running challenges for all levels. Participants can choose from solo or relay races lasting 3, 6, 9, 12, 24, or 36 hours, including..

North Fork 50 : Event details The North Fork 50 Mile/50K is scheduled for Saturday, May 30, 2026, in Buffalo Creek, Colorado. The start and finish are at the Buffalo Creek Clubhouse, 18050 S Buffalo Creek Rd, Buffalo Creek, CO 80470. Distan..

Aiden's Adventure 5k : event overview Aiden's Adventure 5k takes place on Saturday, June 6, 2026, in Colorado Springs, CO. The event includes in-person and virtual options and donates all proceeds to Care and Share of Southern Colorado and..

Great Divide Ultra in Divide, Colorado on June 6-7, 2026 offers looped 25k to 100 mile trail races in Mueller State Park plus the Dark Divide Night Run. Smooth single and double track winds through rolling meadows with stunning Pikes Peak v..

Run the Crazy Legs 10k+ at Devils Backbone Open Space in Loveland, Colorado, a scenic singletrack course with aid stations and lively local support. Limited spots remain and this is the event's final year, so grab your spot now.

Ring the Springs : event overview Ring the Springs takes place Saturday, June 20, 2026, at Rock Ledge Ranch in Garden of the Gods, Colorado Springs, CO. The event offers trail distances of: 100K : 64 miles 50K : 32.3 miles 35K : 21.5 miles..

Barr Trail Mountain Race is a 12.6-mile summer mountain running event along Pikes Peak. The course starts at Cog Railway Station in Manitou Springs (6,570 ft), ascends Barr Trail to Barr Camp at 10,200 ft, then turns, descends, and finishes..

Pikes Peak Ultra invites trail runners to Colorado Springs with 20K to 50 mile courses, and the 50K and 50 mile routes summit Mt Rosa. Rugged granite trails, big elevation and epic mountain views await.

Front Range Ultra Dayze invites 200 runners to tackle a flat two mile loop along River's Edge in Loveland with multi day timed and classic ultra options. On site camping, communal meals, and a welcoming vibe.