Lange originally started his sledding career as a luger, taking up bobsleigh in 1993.

[3] At the 2002 Winter Olympics, Lange won the four-man event with teammates Carsten Embach, Enrico Kühn and Kevin Kuske.

At the 2006 Winter Olympics, Lange also won gold in the four-man event with teammates Kevin Kuske, René Hoppe and Martin Putze, in addition to winning the two-man event with Kuske.

He competed in the 2010 Winter Olympics, winning gold in the two-man and silver in the four-man events.

[3] In August 2017 the Korea Luge Federation announced that Lange would join the South Korean luge team as a coach in October on a five-month contract to assist head coach Steffen Sartor to help prepare them for the 2018 Winter Olympics in Pyongchang, South Korea.