Competitors take part in the men's BMX quarter-final run during the London 2012 Olympic Games at the BMX Track in the Olympic Park August 9, 2012. (Reuters)

A rider from Poland is seen in action during a Mountain Bike training session on Day 12 of the London 2012 Olympic Games at Hadleigh Farm on August 8, 2012 in Hadleigh, England. (Getty Images)

An exhibition rider jumps over a stick on Day 12 of the London 2012 Olympic Games at BMX Track on August 8, 2012 in London, England. (Getty Images)

Manuel de Vecchi (L) of Italy goes to ground as the pack crash on the berm during the Men's BMX Cycling Quarter Finals on Day 13 of the London 2012 Olympic Games at BMX Track on August 9, 2012 in London, England. (Getty Images)

Riders exit the start gate and head down the starting ramp during the Men's BMX Cycling Quarter Finals on Day 13 of the London 2012 Olympic Games at BMX Track on August 9, 2012 in London, England. (Getty Images)

Tory Nyhaug (49) during the men's BMX quarterfinal run in the London 2012 Olympic Games at BMX Track. (US Presswire)

It might not be the kind of Olympic cycling you’re used to, but BMX made its London debut with plenty of high-flying action and spills to follow. The sport is in its second year after being introduced in 2008 at the Beijing Games.