Career
Demong is a five-time Olympian competing in Nagano, Salt Lake City, Torino, Vancouver and Sochi. Demong has been competing on the world cup level since 1997. His first World Cup victory came in 2002 in (Liberec, Czechoslovakian Republic).
Two more in 2007, (Lahti, Finland: March 9.
Trondheim, Norway: December 8). He also has three victories in World Cup B events in the United States in 2004 and 2005 as well.
In the 2008 season Bill had one victory in Ramsau am Dachstein in the 2008 season but his first real banner year occurred in 2009 when Bill racked up five world cup victories and took third in the overall world cup standings. Heading into the 2009–2010 season Demong has 9 world cup victories and numerous top tens.
At the 2002 Winter Olympics, in Salt Lake City, Demong placed fourth in the 4 × 5 km team event and 14th in the 7.5 km event.
2010 Winter Olympics
Demong skied the final lap for the United States team consisting of Johnny Spillane, Todd Lodwick and Brett Camerota in the team large hill/4x5 km, winning the silver medal. After the medal ceremony held later that evening for the 10 km individual large hill event, Demong proposed to his girlfriend, Katie Koczynski, in front of teammates and coaches at the team headquarters near Vancouver. Koczynski said yes. Also on that same day, Demong found out he was named the flagbearer for the American team at the closing ceremony of the 2010 Winter Olympics on February 28.
Demong and his fiancée discussed how this happened on National Broadcasting Company"s Today show the following morning.