Trondheim, Norway - Michael Greis enjoyed his second win of the biathlon World Cup season and the 11th of his career Thursday when the German claimed victory in a men's 10-kilometre sprint in Trondheim.

The three-time Olympic champion produced perfect shooting in the range to win in a time of 26 minutes 11.3 seconds.

Ostersund, Sweden  - Germany's Michael Greis won the opening men's Biathlon World Cup race of the season Wednesday, a 20-kilometre race in Ostersund.

Greis missed just one target in the shooting range to claim victory in a time of 58 minutes 52.5 seconds to register the 10th World Cup victory of his career.

Norway's Alexander Os made two shooting mistakes on his way to a second place finish, 50.5 seconds behind the winner, with compatriot and world champion Emil Helge Svendsen third, 55 seconds behind Greis.