Career
Duff suffered a near-fatal crash in Japan and required extensive surgery and physical therapy. Her recovery was documented in the 1967 National Film Board of Canada short documentary film Ride for Your Life, directed by Robin Spry. Following sex reassignment surgery, she wrote about her life as a transport woman in Make Haste, Slowly: The Mike Duff story.
(key) (Races in bold indicate pole position.
Races in italics indicate fastest lap An empty black cell indicates that the class did not compete at that particular championship round).
