Lauryn Williams and Lolo Jones have become the ninth and 10th Americans to compete in different sports at the Summer and Winter Olympics.
Williams and Jones both raced for the U.S. in the women's bobsled event that started Tuesday night.
Williams won a silver medal in the 100-meter dash at Athens in 2004, was fourth in that race at Beijing in 2008 and helped the U.S. win a gold medal in the 4x100-meter relay at London in 2012.
Jones competed in the 100-meter hurdles at Beijing and London.
The other eight on the list: Connie Carpenter-Phinney (cycling-speedskating), Willie Davenport (track-bobsled), Eddie Eagan (boxing-bobsled), David Gilman (canoe-luge), Art Longsjo Jr. (cycling-speedskating), Connie Paraskevin-Young (cycling-speedskating), Arnold Uhrlass (cycling-speedskating) and Chris Witty (cycling-speedskating).
Eagan is the only to win gold in two sports.