Seven of Whincup's greatest rivalries Repco Supercars Championship By James Pavey Jamie Whincup's final full-time campaign in 2021 will see a list of long-standing rivalries come to an end, some which have been active for over a decade. The seven-time champion will take to the track in 2021 with three fellow former champions, one of which has been his teammate for four years. Ahead of Whincup's final full-time campaign, Supercars.com lists the seven-time champion's greatest rivals. Mark Winterbottom One of the defining rivalries of the modern era, Whincup and Winterbottom went hard at each other for a decade. From Hamilton to Sandown, Perth to Adelaide, the two were regularly joined at the hip, sometimes too closely; they famously clashed on the final lap in New Zealand in 2013.