If you're looking for a good time on a road course the Midwest Stangs Mustang Club based in Omaha, NE is having a Track Day (well, it should be called Track Weekend) on June 13th-14th.

Here are the details about the event and sign up page.

http://www.midweststangs.net/trackday/

Here is the track which is maybe 30 minutes from the Omaha/Council Bluffs Metro Area.

http://www.midamericamotorplex.com/site/Home

Here you can find more information about camping and nearby hotels.

http://www.midamericamotorplex.com/site/FACILITIES