You could hang out at a old folks home and wait until one of them get off their rascal and hop on and drive away with it. Return it after the races and they will think that they forgot where they parked it.
The only trouble was the vintage cars sat around for about 4 hours until they let the vintage cars get on the track. I swear they let the motorcycles race 5 times each and the vintage cars were waiting in the pits for a short hot lap session only to wait again to run their heats and finally...
Saw this in the Highland paper
Missouri man charged with theft
Jason L. Pritz, 35, of DeSotto, Mo., was charged on April 11 by Highland police with felony theft over $500 for allegedly taking car tires and rims from McGinley Chrysler Jeep.
Read more here...