IMSA's back at Lime Rock on the 19th (qualifying) and the 20th (race day). Tickets are $60 each and it's a great time. You get to walk on the paddock, a lot of areas to walk around to see each section of the track, autograph event and more
http://limerock.com/imsa-grand-prix
DSC_2571 by
Jakub Wil, on Flickr
DSC_2249 by
Jakub Wil, on Flickr
DSC_2415 by
Jakub Wil, on Flickr