Red Bull Soapbox Race

Coverage of the international event in London, as amateur drivers put their home-made, gravity-powered vehicles through an obstacle-littered course.

The amateur race arrives into Valkenburg aan de Geul in the Netherlands, traditionally the finish of the Amstel Gold Classic cycling race.

The crowds gather in Switzerland for more downhill drama, applauding the ingenuity of these amateur teams as the racers crash into hay bales.

Elysian Park in Los Angeles is turned into an obstacle-littered course for the day as 70 teams of adrenaline junkies put their gravity-powered contraptions to the test.

The competing teams' motorless vehicles use gravity as their only form of propulsion in the Belgian capital.

French farce from the streets of Paris as rival teams of amateur racers pit their wacky, gravity-powered soapbox vehicles in a downhill race against the clock.