Jörgen Mårtensson

Jörgen Mårtensson, born on 4 December 1959, is a Swedish orienteer regarded as one of the most successful Swedish orienteers of all time. He won the World Orienteering Championships twice. He also won the five-day O-Ringen event in 1981 at the age of 21 and again in 1996 and 1997 at 37, took the Swedish marathon championship at the Stockholm Marathon in 1993, and won the Jukola relay in 1981, 1984 and 1985. His career was one of the longest at world class level: he began at the 1978 World Orienteering Championships, where he placed eighth in the individual contest, and competed in every world championship until 1997, a span of twenty years.