IL Heming was among the pioneering clubs in orienteering in the 1930s. Among the top orienteers were Otto Erichsen, Finn Jespersen and Per Bergsland. In 1939 Per Bergsland placed second at the individual Norwegian championship in orienteering held at Modum. During World War II Bergsland was a pilot in the RAF 332 Squadron. He was shot down at Dieppe Raid, and held at the POW camp Stalag Luft III and one of only three men to escape to freedom in the "Great Escape" in 1944. At the Scandinavian cup between Sweden and Norway held 10 sept 1939 two of Heming's orienteers excelled at the individual competition. Otto Erichsen won the individual contest, while Finn Jespersen placed third. While a pilot for the RAF 97 Squadron during World War II, Jespersen's Lancaster was shot down over Cherbourg the night between 5 and 6 June 1944.