Biathlon is a sport that combines cross-country skiing with rifle from a prone position and standing at the shooting ranges. It includes disciplines such as: individual race 10 km. (boys); individual race 7.5 km. (girls); sprint 6 km. (boys); sprint 4.5 km. (girls); mixed relay 1x1; mixed relay 2x2; relay of friendship (boys); relay of friendship (girls).