2019–20 Biathlon World Cup – Mixed Relay  The 2019–20 Biathlon World Cup – Mixed Relay started on Saturday 30 November, 2019 in Östersund and will finished on Sunday 15 March, 2020 in Kontiolahti. The defending team was Norway. The relay teams consist of four biathletes. Legs 1 and 2 are skied by the women, and legs 3 and 4 by the men. Two variation have this competition. The both gender's legs are or the women's legs are and men's legs are . Every athlete's leg is skied over three laps, with two shooting rounds: one prone and one standing. For every round of five targets there are eight bullets available, though the last three can only be single-loaded manually from the spare round holders or from bullets deposited by the athlete into trays or onto the mat at the firing line. If after eight bullets there are still standing targets, one penalty loop must be taken for each remaining target. The first-leg participants all start at the same time, and as in cross-country skiing relays, every athlete of a team must touch the team's next-leg participant to perform a valid changeover. On the first shooting stage of the first leg, the participant must shoot in the lane corresponding to their bib number (bib #10 shoots at lane #10 regardless of their position in the race), then for the remainder of the relay, the athletes shoot at the lane corresponding to the position they arrived (arrive at the range in 5th place, shoot at lane five). The single mixed relay involves one male and one female biathlete each completing two legs consisting of one prone and one standing shoot. The female biathletes all start the race at the same time and complete one leg before exchanging with their male counterparts who complete one leg before exchanging again with the female skier who after completing another leg switches again with the male biathlete who completes the race. The rules regarding shooting are the same as in the regular mixed relay.