Lewis Hamilton believes he is facing the hardest challenge of his career to help McLaren become world title contenders again.
Against the odds, the reigning world champion clinched third place in Sunday's Australian Grand Prix in a car he has revealed is the hardest he has ever driven.
"Every year gets harder and I would say right now is the biggest challenge for myself, and also for the team," said Hamilton.
"We've had some serious challenges over the last two years, and this is another big one for us, if not the biggest.
"But like I've said from the beginning, if anyone can do it, we can.
"I've a huge amount of belief in this team we can turn it round, and this is a good foundation for us to work on."
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