Colorado Runner - Colorado's running news, events and results source

The Grizzly Creek Trail and Grizzly Creek Canyon are closed. The closure is due to significant damage from debris flows that closed a section of Interstate 70 for several days and severely damaged the Hanging Lake trail following mudslides in late July.

Registration is open for the Run the Rockies Road 10K and Half Marathon. The races will be held on September 18. The 10k course is 100% downhill and the half marathon course is 75% downhill. Register at:…