Øyvin Thon
Øyvin Thon is a Norwegian orienteering competitor, and has seven gold medals at the World Orienteering Championships.
He is married to Brit Volden, also a World Orienteering Champion. In 2005 they both climbed Cho Oyu. He won the Jukola relay in 1988.
International championships
Thon won gold medals at the 1979 and 1981 Individual World Orienteering Championships, and finished second in 1983. He is also five times Relay champion, as a member of the Norwegian winning teams in 1981, 1983, 1985, 1987 and 1989.He won the Overall World Cup in Orienteering in 1988, and finished second in 1986.