2013 Grand Am Elkhart Lake: 8-10 August, 2013, Elkhart Lake, Wisconsin USA A pair of prototypes races up a hill during practice. ©2013, R.D. Ethan LAT Photo USA
8-10 August, 2013, Elkhart Lake, Wisconsin USA
A pair of prototypes races up a hill during practice.
©2013, R.D. Ethan
LAT Photo USA