Tickets for the 2015 race season at Mid-Ohio Sports Car Course, one of North America’s most competitive race tracks, will go on sale February 2 at 10 a.m. ET. Four spectator events highlight the historic track’s 2015 season schedule, with marquee events The Honda Indy 200 returning July 31-August 2 and the Nationwide Children’s Hospital 200 returning August 14-15. Mid-Ohio Sports Car Course will also host Ohio’s 2015 Tough Mudder challenge on May 9 and 10....