He then attended the University of Vermont, where he was a 1976 First Team All American soccer player.
[2] In 1978, he signed with the Dallas Tornado of the North American Soccer League.
In the fall of 1979, Christensen signed with the Wichita Wings of the Major Indoor Soccer League.
Christensen served as an assistant coach to the University of Vermont soccer team in 1981 and 1982.
[3] In December 1999, Sports Illustrated named Christensen number twenty-eight on its list of the top 50 athletes from Vermont.