Løberg received a silver medal in team event at the 1991 Biathlon World Championships in Lahti, and again in Novosibirsk in 1992.[2] He finished 5th in the team event with the Norwegian team in 1989. He finished 4th in 4 × 7.5 km relay in 1990, and 6th in team event. He competed at the 1988 Winter Olympics in Calgary where he finished 6th in 4 × 7.5 km relay with the Norwegian team. He competed at the 1992 Winter Olympics in Albertville where he finished 8th in the individual, and 5th in 4 × 7.5 km relay.