"If you’re a tiger you may be a slightly ageing tiger, but you’re still a tiger. The thing is, the stopwatch doesn’t care what age you are. And the power meter doesn’t care what age you are. That speed track doesn’t care what age you are. I want to go and break the world land speed record."

So starts David Street’s inspiring, moving, uncomfortable and revealing documentary on Graeme Obree’s emotional and physically draining journey. Of course, this being Graeme Obree, he doesn’t want to just to break the record. He intends to smash it and from within an extraordinary homemade contraption that will travel ridiculous speeds with its rider’s chin just inches away from the tarmac of a Nevada desert road.