Sebastian Vettel and his Red Bull team have left their Formula One rivals trailing in their wake during a three-year domination of the sport.
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But ahead of the 2013 season getting underway in Australia later this month, it is the triple world champion and his all-conquering team which has some catching up to do after a preseason which has not gone entirely to plan.
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Red Bull, and every other team, was left in Mercedes' rear-view mirrors at the final preseason test in Barcelona last weekend, with Vettel failing to top the charts at any of the offseason practice.
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Vettel insists there is still time for Red Bull to turn it around ahead of 2013's curtain raiser on March 17, when he will begin his bid to become only the third driver to win four consecutive championships.