If you enjoyed the All-Out Beat the Heat event, you’ll love the 10th annual All-Out Fall Fest just as much, taking place in the same location throughout the same trails, just with better weather! Trail Runners, Scenic Views. Taking runners through the backtrails of Stanley Lake Regional Park, this course offers scenic views with horizon sights of the Flatirons throughout. Just 10 miles from downtown Denver, this destination is often beloved by many, with plans post-race to explore the big city!