Coached and taught physical education at Westminster for 29 years before retiring in 1997. Coached All-Americans in cross country and track. Also coached swimming and golf, guiding the Blue Jays golfers to the NAIA national tournament in 1990 and 1991, and the 1996 golf team to a St. Louis Intercollegiate Athletic Conference title.
Ault was a Big Six and Big Seven hurdle champion at the University of Missouri and finished fourth in the 1948 Olympics in the 400 intermediate hurdles. Ironically he was coached at the University of Missouri by the late Tom Botts '27. Ault is a member of the University of Missouri Hall of Fame, the Missouri Sports Hall of Fame and the National High School Sports Hall of Fame.