 Teurajärvi also won a silver medal in the 4 × 10 km relay at the 1978 FIS Nordic World Ski Championships in Lahti.His best individual event was fourth in a World Cup event in 1982 in West Germany.Teurajärvi tested positive for prolintane at the 1982 Finnish Skiing Championships and was subsequently handed a one-year ban from sport for the anti-doping rule violation.