DUNEDIN, NEW ZEALAND - FEBRUARY 27: Dan Sims of Auckland clears a jump during the National Downhill Mountainbike Championships on Signal Hill, February 27, 2011 in Dunedin, New Zealand. (Photo by Phil Walter/Getty Images)

MELBOURNE, AUSTRALIA - OCTOBER 22: A Competitor jumps infront of a rainbow during the Australasian Supercross Championship at Melbourne Knights Stadium on October 22, 2011 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)