Nzau was a late bloomer who did not take up running until the age of 25. He was subsequently recruited by the University of Wyoming on an athletic scholarship when he was 28, along with a few other Kenyans.
Collegiate
Nzau attended the University of Wyoming under the tutelage of Coach Ron Jones in the late 1970s. At the 1979 NCAA Division I Track and Field Championships, he finished in fifth place.[3] At Wyoming, Nzau earned six All-American honors, graduated with a degree in engineering and was inducted into the university's athletic Hall of Fame in 1997.[4]