Super Speedway was released in 1997. The film is still exhibited by select IMAX theaters and other giant screen theaters. Check your local theater for availability, dates and times.
The film is available on DVD and Blu-ray from leading local and online retailers. Here are some examples:
blu-ray.com
walmart.com
barnesandnoble.com
fye.com
netflix.com
(Links and availability from specific retailers subject to change).