Denver Rocks! Let's do cool things!
The 6th annual Rock ‘n’ Roll Denver event features Marathon, Half Marathon, 10k and 5k races accompanied by live entertainment. In addition to the races, the public is also invited to stop by the National Western Complex for a free health and fitness expo on 10/16 & 10/17.
Complete race info including road closures, race schedule and entertainment guide: http://www.runrocknroll.com/denver/