Mark "Frosty" Winterbottom (born 20 May 1981) is an Australian professional racing driver. He currently competes in the Virgin Australia Supercars Championship, driving the No. 18 Holden ZB Commodore for Charlie Schwerkolt Racing. His career highlights include winning the 2013 Supercheap Auto Bathurst 1000 (with Steven Richards), twice winning the Sandown 500 (2006 and 2015) and receiving the Mike Kable Young Gun Award in 2003. Winterbottom has also won his maiden championship title in the 2015 International V8 Supercars Championship, making it the first title for Ford in five years.