Participants in this year's Marine Corps Historic Half

Participants in this year's Marine Corps Historic Half are greeted by the Marine Corp Marathon mascots during the opening ceremony of the Healthy Lifestyle Expo at the Fredericksburg Expo and Conference Center, May 19, 2017. The Expo was the beginning of this weekend's Marine Corps Historic Half events to include; the picking up of participant packets, official bib with timing device, competitor shirts, event programs and a chance to visit 70 vendor booths. (U.S. Marine Corps photo by James H Frank/Released)