Round-9-Road America, Wisconsin, USA
7-9 August, 2015, Elkhart Lake, Wisconsin, USA
, 912, Porsche, 911 RSR, GTLM, Joerg Bergmeister, Earl Bamber, 17, Porsche, 991 RSR, GTLM, Wolf Henzler, Bryan Sellers
? 2015, Michael L. Levitt
LAT Photo USA