Fernando Alonso had a hunch that entering next month's Indianapolis 500 was going to be a big deal but on Thursday he confessed to a misjudgement - the race was even bigger than he had imagined.

It was counter-intuitive, but driving conservatively enabled Chaz Mostert to avoid more tyre dramas.

Supercars is set to enforce increased tyre safety margins following a spate of high-speed tyre failures in the opening race of the Phillip Island 500.

The Toyota 86 Racing Series is a way for young racing drivers to impress, at comparatively affordable cost, the bosses of teams at higher levels that they have what it takes.

Will Davison has been cleared to return for the twin-race Phillip Island 500 this weekend after being in hospital two weeks ago.

​Former Formula One world champions Lewis Hamilton and Jenson Button have backed a fund to raise money for a teenage British Formula 4 driver who has had amputations to both of his legs.

British Formula Four driver Billy Monger has had his lower legs amputated after an horrific crash at the Donington Park circuit on Sunday (local time).

There's a familiar pattern developing for Daniel Ricciardo in 2017 and it's not one the Australian Formula One ace would want – close, but not champagne.

Sebastian Vettel has taken out the Bahrain Grand Prix from Lewis Hamilton, with Australia's Daniel Ricciardo finishing in fifth.

Daniel Ricciardo believes Lewis Hamilton had alternative options to a controversial move which delayed the Australian at the Bahrain Grand Prix, won by Ferrari's Sebastian Vettel.

Valtteri Bottas pipped his Mercedes teammate Lewis Hamilton right at the end of qualifying to take pole position for the Bahrain Grand Prix as Australia's Daniel Ricciardo also finished with his best lap to take fourth on the grid.

Lewis Hamilton hopes fellow Briton Jenson Button will make a comeback and replace McLaren's Fernando Alonso at next month's Monaco GP while the Spaniard is away competing in the Indianapolis 500 in May.

The Australian Grand Prix Corporation is confident that it's mix of sport, business, innovation and industry is exactly the recipe that Formula One's new owners are keen to promote as they look to maximise their multi-billion dollar investment. 

Mercedes driver Lewis Hamilton mastered Shanghai's changing track conditions and stayed clear of duelling rivals to win the Chinese Formula One Grand Prix.

After being dormant for the past two years, DJR Team Penske is emerging as a genuine threat to Supercars super squad Triple Eight.

Lewis Hamilton takes pole in the Chinese Grand Prix, edging out Ferrari's Sebastian Vettel and Mercedes teammate Valtteri Bottas.

Multimillion-dollar crash wipes out nearly half the field in the opening race of the Tasmania SuperSprint on Saturday.

Japanese giant Nissan is looking to decide within months whether to continue in Supercars beyond next year with an all-new racer.

Mercedes are seeing red after losing out to Ferrari in the Formula One season- opener in Australia but the challenge from their resurgent rivals has had a galvanising effect on the champions, says Lewis Hamilton.