Athletes from around the globe gather in Hawaii to compete in the gruelling Ironman World Championship. Considered to be among the toughest athletic competitions in the world, the Ironman events consist of a 3.8-kilometre swim, a 180-km bike race and a marathon, a 42-km run. NBC 3:30 p.m.
As It Happened: John F. Kennedy 50 Years
Bob Shieffer brings viewers back in time to a key moment in American history as he presents a re-telling of the JFK assassination. The premiere special relives the historic day through the eyes of legendary journalists, including Walter Cronkite. CBS, 8 p.m.
Correspondents explore real-life crimes and headline-making dramas in this new episode. The format allows broadcast journalists to delve further into such stories, going into more depth than in a traditional network newscast. CBS, 9 p.m.