Runners pose for a photo after the Chief’s 5K Fall Fun Run at Little Rock Air Force Base, Ark., Dec. 18, 2017. The event featured prizes for individual categories of 17 and under, 18-29, 30-39, 40 and over as well as walkers. There was also a prize awarded for “Best Ugly Sweater or Holiday Outfit.” (U.S. Air Force photo by Airman 1st Class Kristine M. Gruwell/Released)