Muncie August 13, 2011 Triathlon will offer the Sprint Triathlon, Olympic distance Triathlon, Sprint Duathlon,an International Duathlon and Aquabike featuring an outstanding course on rolling hills held at Prairie Creek Reservoir in Muncie, Indiana. The home of multi-sport events since 1980, this is one of the best venues in the country and features a parking and transition area adjoining, rolling hills, family park area and great racing.