Run Free – The True Story of Caballo Blanco will premiere in Jacksonville, FL, on Wednesday, March 2 at 7 p.m. at the Sun-Ray Cinema, 1028 Park St., in Jacksonville. The feature-length documentary is about ultra-running legend Micah True. Better known as Caballo Blanco – the White Horse – True, was the focal character of Christopher McDougall’s 2009 best-selling book “Born to Run: A Hidden Tribe, Superathletes and the Greatest Race the World Has Never Seen” about the Tarahumara Indians of northern Mexico. Tickets are $12 in advance at www.imathlete.com/events/runfree or $15 at the door the night of the show. The event is sponsored by Jacksonville Running Company.