Steve Holcomb, a U.S. Olympic bobsledding champion, was found dead at age 37 in Lake Placid, New York, on Saturday. The longtime bobsledder had won three Olympic medals and had overcome a disease that nearly took his eyesight. The cause of Holcomb’s death are still uncertain and were not released. According to the Chicago Tribune, there were no immediate signs of foul play and an autopsy was scheduled for Sunday.

As said on ESPN, “The entire Olympic family is shocked and saddened by the incredibly tragic loss today of Steven Holcomb,” U.S. Olympic Committee CEO Scott Blackmun said. “Steve was a tremendous athlete and an even better person, and his perseverance and achievements were an inspiration to us all. Our thoughts and prayers are with Steve’s family and the entire bobsledding community.”