Trail Running calendar near Castle Rock 2026-2027

Experience the scenic beauty of the Front Range at this annual Colorado trail event featuring half marathon, 10K, and 5K distances on mostly dirt paths with views of the Flatirons.

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.

A November running event at Bear Creek Regional Park West in Colorado Springs offering 50K, half marathon, and 10K courses along historic High Drive and through gold rush tunnels; the route may include winter conditions and is subject to fo..

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.

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.

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.