Trail Running calendar near Byers 2026-2027

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.

Trail half marathon in Evergreen, Colorado on August 22, 2026. The 11 mile course gains over 1,300 feet, tops out just under 9,000 feet, and runs through Elk Meadow and Too Long Trail from Buchanan Park Recreation Center.

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 scenic run in Allenspark with majestic views of Mount Meeker and the Continental Divide. Choose between a competitive 5k or a casual 2k walk and bring your dog along for the race and an amateur dog show.

A multi-day ultra-running festival in Loveland, CO with timed and distance events on a 2-mile loop, camping in the park, limited RV permits, continuous aid station service, and a 200-runner cap.

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.

A multi-event weekend in Longmont Colorado on September 11 and 12 offering distances from 5K to a 100 mile race on a flat 1.05 mile loop, with finisher awards, aid station support, and commemorative race apparel.

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.

High altitude trail races in Empire, Colorado on September 12, 2026 offering 50K and 22K point to point courses on dirt single track with substantial elevation gain. The 50K requires prior ultra experience.

Trail races on North Table Mountain in Golden, CO on Sep 19, 2026, with 10 Mile and 5 Mile courses. Organized by BeyondHome, the event supports families moving from homelessness to self-sufficiency.

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.

Experience a 26.2 mile mountain run from Manitou Springs to the summit of Pikes Peak and back. This historic event features over 7800 feet of elevation gain and a 10 hour time limit.

Experience an obstacle course event in Fort Carson featuring 5 km and 15 km distances. Conquer signature muddy challenges and earn iconic finisher gear while enjoying views of the Rocky Mountains.

Test your endurance at this mountain trail event featuring 25 km and 50 km distances. Join a community dedicated to environmental conservation and public land protection on the beautiful trails of Colorado.

Experience the scenic trails of Bear Creek Lake Park at this multi day endurance festival in Lakewood. With distances ranging from a 5K to a 100K ultra marathon, the event features fast non technical dirt paths and panoramic views.

Experience the scenic HRCA Backcountry Wilderness Area with trail races for the whole family. Enjoy rolling hills and open views followed by a pancake breakfast and finisher medals for all participants in Littleton.

Explore the scenic Philip S. Miller Park ridgeline trails with distances ranging from a 5K to a 50K ultramarathon. This festival features professional timing, finisher medals, and a family friendly obstacle course.

Experience pure cross country running through four scenic parks in Colorado Springs. This historic trail series features four races of increasing distances across varied terrain for runners aged 15 and older.