Waddington competed in three
World's Strongest Man contests, finishing third in the first one he entered in 1981 behind
Bill Kazmaier and
Geoff Capes. In 1982 he was seventh, and in 1984 was joint-fourth behind
Jón Páll Sigmarsson,
Ab Wolders and Capes. As a powerlifter, Dave Waddington was briefly the super heavyweight IPF champion in 1980, but was later disqualified, the title passing to
Doyle Kenady. The next year, on June 13, 1981 in
Zanesville, Ohio Waddington made history by became the first man to squat over 1,000 lbs. ==Powerlifting record==