PowerBar, Inc. is an American maker of energy bars and other related products (particularly sports drinks, gel-based foodstuffs for distance athletes, and the Pria bars targeted at women.
Created by the organizers of the Rock ānā Roll Marathon Series, the TriRock Series launched in San Diego on September 12, 2010 to a sold-out field of 1,200 triathletes. The unique format features a rocking competition, complete with live bands along the swim, bike and run courses, followed by a post-race party and concert. The series expanded to four markets in 2011, adding events in Annapolis, Seattle and New York.