What American road racing cyclist lost to  Jens Voigt for the second year in a row?
Levi Leipheimer Levi Leipheimer (born October 24, 1973) is an American former professional road racing cyclist. He was twice US national champion, winning the time trial title in 1999 and the road race in 2007, and is an Olympic medalist. Leipheimer was born and raised in Butte, Montana and resides in Santa Rosa, California. He is the patron of the widely attended King Ridge GranFondo, a mass participation ride in Sonoma County.
Karen Dunne Karen Dunne (born December 12, 1967 in Colorado Springs, Colorado) is a retired female professional cyclist from the United States. She is best known for winning the gold medal at the women's individual road race at the 1999 Pan American Games in Winnipeg, Canada. She also won 11 U.S. National Championships - 3 Elite (Points race, Criterium, Kilometer Time Trial), 3 Collegiate (Criterium, 500 Meter Time Trial, Track Omnium), and 5 Mixed Tandem (Pursuit, 2 x Kilometer Time Trial, 2 x Match Sprints). Her cycling career began while attending Indiana University Bloomington where she won the 1991 Women's Little 500.