e-Tracks: World Motor Racing Circuits: Directory of motor racing circuits from around the world. Includes A-Z listings of every Formula 1, CART, IRL, NASCAR, MotoGP, World Superbike and ALMS track. Facts and figures on all major circuits and history.
Race Track. com: Listing of racetracks from all over the world. Also has race track forums.
RpmNet Track Pages: Lists race tracks in United States, Canada, Japan, Australia and Brazil.
Track Chaser: Detailed listing of auto racing tracks throughout the world.
Tracks In The World: Information and maps of circuits from around the World. Also, old circuits, proposals not developed or rare tracks.
World Tracks Information: Surface, length, location and other information to many tracks.