Weissensteiner returned to sledding as a bobsleigh pilot in 2001. She finished seventh in the 2-woman bobsleigh (with the former biker Antonella Bellutti, gold medalist in cycling) at the 2002 Winter Olympics. After the 2002 Games she teamed up with sprinter Jennifer Isacco, who she competed with until her retirement from the sport. Their best finish in the Bobsleigh World Cup was third twice in the two-woman event. (2002-3, 2003-4 (tied with Germany's Susi Erdmann)). She finished sixth in the 2-woman bobsleigh event at the 2005 FIBT World Championships in Calgary, Alberta, Canada. The following year, Weissensteiner and Isacco finished second in the European Championships, and Weissensteiner joined Erdmann as being one of only two sledders to win a medal in both bobsleigh and luge at the Winter Olympics.