Wayne Jensen moved to Leadville in the fall of 1965 after winning the State Cross Country Championship for the State of South Dakota. While at LCHS, he lettered in Track (1966, 67) and Cross Country (1966). He was the 1966 Colorado State Champion in Cross Country. Despite a strep infection and a fever of 102°, he placed second in the State mile his senior year with a time of 4:27.
The following week he won the Meet of Champions with a time of 4:31. At the time of graduation from LCHS, he held the mile and 880 records. He entered the University of Wyoming on a full athletic scholarship in the fall of 1967.