February 18, 1978 Hawaii hosts the first Ironman Triathlon. Contestants have to swim 2.4 miles (3.86 km), bike 112 miles (180.25 km) and complete a marathon run measuring 26.2 miles (42.2 km). Gordon Haller (born 1950) is the winner of the first Ironman Triathlon. #gordonhaller #triathlon #hawaii #winner #firstironman https://loom.ly/_BMnnNA https://www.instagram.com/p/CLc_RTVIIcL/?igshid=1ra612t41g72c












