Holcomb's body was found in his room at the Olympic Training Center ... according to the U.S.O.C. He was only 37, but the committee has not provided a cause of death.
Holcomb piloted USA's 4-man team to a gold medal at the Vancouver games in 2010. He also earned 2 bronze medals at the 2014 Olympics in Sochi.
He was extremely competitive this season in bobsled and skeleton. Holcomb was a 5-time World Champion.