Four-time Bathurst 1000 winner Greg Murphy admits that he doubted whether he would be quick enough to tackle Mount Panorama in his comeback wildcard outing alongside Richie Stanaway.

Murphy was coaxed out of retirement for a one-off co-drive alongside compatriot Stanaway in an ambitious plan hatched by Boost Mobile founder Peter Adderton.

The story is recounted in the new documentary Wildcard: One Last Shot, now streaming on Kayo.

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Adderton conceived the idea to revive Stanaway’s stalled racing career after being pushed out of the Supercars in 2019.

Kiwi racing icon Murphy was an obvious choice as supporting driver and Stanaway’s foil. Not only do his four wins and four other podiums make him one of the Mountain’s all-time greats, but his legendary 2003 qualifying ‘lap of the gods’ earnt him a permanent place in Bathurst folklore.

But speaking to Fox Sports, Murphy said he had serious doubts about his ability to tackle the legendary circuit so long after his full-time retirement in 2012.

“I just wasn’t sure that I was ready to go back to that and actually deliver a performance that was at the level that Bathurst deserves,” he said. “That was the biggest part — having the self-belief to be able to go back to an event such as the Bathurst 1000, which deserves the absolute utmost respect.

“The most challenging part is the mental preparation and being in that strong…