By Sunday's British Grand Prix, teams will have driven some 1,687 miles (2,715km) in a grueling 17-day
road trip -- the first time the championship has featured three races in as many weekends since its inception in 1950.
Starting at the Circuit Paul Ricard in the south of France, a legion of trucks journeyed up through Italy, to Spielberg's Red Bull Ring for last weekend's Austrian Grand Prix.
From there, whether buoyed by victory or crushed by defeat, the teams negotiated the final leg to Silverstone for the British Grand Prix, via Germany, Belgium and the French port of Calais.
"I would say it's very difficult on two levels, both physically and mentally," Carraro told CNN.
'The absolute limit'
For beyond the spotlight on the 20 drivers, a "race between the races" is going on to ensure F1's monumental traveling circus gets to the destinations on time.
Unlike overseas race weekends, which require the use of five Boeing 747 planes and up to