Marshall Pruett traveled the world in 2015 to provide news and insight for RACER Magazine as a writer and photographer. He’s selected his personal favorite images from the year — including a few from Pirelli World Challenge. http://www.racer.com/more/viewpoints/item/124854-marshall-pruett-s-favorite-images-of-2015#!PWC_Race_2_Start_Laguna_1
