Red Rocks, if you don't know, now you know.

Red Rocks, if you don't know, now you know.

Head up to hike the trails, or challenge the venues

"There are two interior stairways on either side of the bleachers each with 138 steps from the stage to the top. Red Rocks features 69 rows of seats in the venue, which equates to running approximately three miles on an ascent or descent of the bleachers."

Hard to have a bad day up here, unless the weather turns