From 2012 to 2015, Zelger mainly participated in U18 and U20 competitions in the cross-country Alpine Cup. At the Nordic Junior World Ski Championships 2015 in Almaty , he finished 38th in the 10 km freestyle and 34th place in the sprint. In September 2015, he became the junior world champion in roller skiing over 10 km in Val di Fiemme . In December 2015 he started in Prémanon in adult races in the Alpine Cup and came in 19th place over 15 km freestyle and ninth place over 15 km classic. At the U23 World Championships in 2016 in Râșnov , he achieved 44th place over 15 km classic, 33rd place in sprint and 31st place over 15 km freestyle. In the following year he won 18th place over 15 km freestyle and 14th place in sprint at the U23 World Championships in Soldier Hollow . He made his debut in the cross-country world cup in January 2017 in Toblach , which he finished in 50th place in the sprint. In January 2018 he achieved his first podium finish in the Alpencup with third place in the sprint in Campra and got his first World Cup points with 28th place in the sprint in Seefeld in Tyrol . At the end of January 2018 he achieved 12th place over 15 km classic and seventh place in the sprint at the U23 World Ski Championships in Goms . At the 2018 Winter Olympics in Pyeongchang , he ran to 60th place over 15 km freestyle and 41st place in the sprint and at the Nordic World Ski Championships 2019 in Seefeld in Tyrol he ran 57th place over 15 km classic and 29th place. Rank in the sprint.
Italy