CHATTANOOGA, Tenn. (November 5, 2014) – IRONMAN announced today that Chattanooga has been selected to host the 26th race in the IRONMAN® 70.3® U.S. Series with Sunbelt Bakery as the title sponsor. The inaugural Sunbelt Bakery IRONMAN 70.3 Chattanooga triathlon will take place on Sunday, May 17,