Career
Withalm competed at the 2014 Winter Olympics for Austria. He teamed with driver Benjamin Maier, Markus Sammer, Angel Somov and Sebastian Heufler in the four-man event, finishing 21st. Withalm made his World Cup debut in December 2011.
As of April 2014, his best finish is 7th, in a four-man event in 2011-2012 at Konigssee.