Despite leading the Formula One World Championship by 11 points, Red Bull's Mark Webber insists he is not the overwhelming favourite to land the title this season.

With just four races remaining, the Australian is in pole position ahead of on-song Fernando Alonso of Ferrari, McLaren's Lewis Hamilton, Red Bull's Sebastien Vettel and reigning champion Jenson Button.

But with the Japan Grand Prix next on the agenda on Sunday, Webber believes any one of the racers still in the mix has the chance to land the honours at the end of the campaign.

"I'm not the favourite. I think we all are pretty even at the moment," he said. "It can change pretty quickly, in a good way for me and a bad way for me. It's on a knife-edge but I am very relaxed.

"It's another race for me, just go out there and do my best. I will give nothing and leave no change on the table, do the best I can and the points look after themselves. Like I said, it's just another grand prix this one, another car race."

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