Trail Running Calendar Colorado 2026-2027

Welcome to Colorado's premier trail running calendar for 2026-2027! Recognized as a trail runner's haven, Colorado seamlessly blends bustling urban settings with pristine mountain terrains. Whether you're a native, a newbie, or a visitor exploring the Centennial State's running trails, our calendar ensures you don't miss out on any event.

Denver, the renowned Mile High City, beckons runners with its urban-meets-nature charm. Iconic routes like the Cherry Creek Trail zigzag right through the city's pulse. Venturing south, Colorado Springs, dubbed the "Olympic City", boasts of trails skirting the monumental Garden of the Gods. Here, a run transcends the ordinary, offering an experience akin to striking gold.

For those seeking a quiet escape, Aurora presents peaceful reservoir paths, making urban detox achievable. If the allure of academic vibes mixed with nature captivates you, Fort Collins and its famous Horsetooth Reservoir trails won't disappoint. Meanwhile, Lakewood introduces runners to nature's canvas with the Red Rocks painting every run. And let's not forget Boulder, offering a diverse range of trails set against the stunning backdrop of the Flatirons.

A winter running event on November 21, 2026 in Colorado Springs with routes along historic High Drive and through gold rush tunnels. Options include 50K, half marathon, and 10K; the event is subject to Pike National Forest permit and possib..

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.

December 2026

Experience the rugged beauty of Staunton State Park at the Sawmill Trail Runs. Choose between 50km, 16 mile, or 8 mile distances through Colorado meadows and granite cliffs in this late season mountain challenge.

February 2027

Experience a unique winter trail adventure at Cheyenne Mountain State Park with timed challenges and traditional distances. Run multiple scenic loops with views of Pikes Peak in this community focused Colorado trail event.

March 2027

The 22nd Annual Run Through Time in Salida, Colorado features a trail marathon, half marathon, a 2 mile run and a free kids 400 meter, on single track and dirt roads at 7000 to 9000 feet. Race socks and a light post-race meal are included.

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