See what happens when you let the world's best BMXers loose on a 29 foot dirt quarter pipe...
It took over a 1000 tonnes of earth and months of man hours to build Sebastian Keep's giant dirt quarter pipes. Boosting off a jump the height of two double decker buses, 12 of the best BMXers on the planet were invited to take part in an event that saw riders going higher than they've ever been before.
You can build crazy stuff out of dirt - It's just how far the imagination wants to go…
From no handers to getting some serious air, watch all the spills and thrills from Quarter Master 2014 in this all-action edit.