[3] Max Langenhan was successful at national level at early years of his career and made his international debut in January 2015 in the Youth A World Cup.

After a fall at the start of the season in Lillehammer, he finished third place behind Daniil Lebedev and Jonas Müller on the Sigulda track.

At the 2017 Junior World Championships in Sigulda, where Langenhan won the bronze medal behind Kristers Aparjods and Nico Gleirscher.

At the 2018 Junior World Championships in Altenberg, Langenhan won the title in the singles ahead of his compatriots David Nößler, Paul-Lukas Heider and Moritz Bollmann.

[4] In 2018-19 season, he promoted to the World cup team after Andi Langenhan, who is not related to Max, resigned[5] and Ralf Palik's retirement.

On the Innsbruck track he defended his title from last year in front of Bastian Schulte and Lukas Gufler in singles discipline and won the silver medal behind Austria in the team relay race with Cheyenne Rosenthal, and doubles Hannes Orlamünder/Paul Gubitz.

[7] At the first World Cup race on the Olympic track in Beijing, he finished on the podium for the third time in his career behind a German lugers Johannes Ludwig and Felix Loch.

At the 2023 Luge World Championships in Oberhof, Langenhan won the team relay title with Anna Berreiter and doubles Benecken/Eggert, silver medal in the individual race and bronze in the sprint competition.