The club started with orienteering in 1936. It was one of the arranging clubs of O-ringen in 1981, 2006 and 2011. [1]
Its team won the Swedish championships in relay in 1973 with Folke Lysell, Karl-Erik Jonsson, Kaj Hoof, Stefan Persson.[2] Kaj Hoof, substituting the injured Lars-Ivar Svensson started the third leg in the 19th position and sent Stefan Persson out as the third.[3]
Stefan Persson has won three times the Swedish Championships in night orienteering.[4]
In 1975 Rehns BK arranged a competition for the 30 best orienteers in the world with Persson as the course designer. It was the first orienteering competition sent on television. [5]
Jerker Lysell, world champion in 2016, represents the club.
Marit Wiksell won the World Championships in precision orienteering in Portugal in 2019.[6]