In the 1981 Australian Touring Car Championship, two race titles, named "Adelaide" and "Surfers Paradise" (where the 3.219 kilometer circuit was designed and built by Keith Williams), were held during the month of May.
In the 1981 Australian Touring Car Championship, two race titles, named "Adelaide" and "Surfers Paradise" (where the 3.219 kilometer circuit was designed and built by Keith Williams), were held during the month of May.