Sebastian Kienle is a German long-distance triathlete. He is the winner of the 2014 Ironman World Championship, as well as the 2012 and 2013 Ironman 70.3 World Championship.

The Ironman Germany is a triathlon race, part of the Ironman series. It is owned and organized by the World Triathlon Corporation (WTC). In 2005, Frankfurt became the new site of the Ironman European Championship.