Dustin Murley raises his hand as he races his ostrich during the annual Ostrich Festival in Chandler, Arizona March 10, 2013. (Photo by Joshua Lott/Reuters)

Dustin Murley raises his hand as he races his ostrich during the annual Ostrich Festival in Chandler, Arizona March 10, 2013. (Photo by Joshua Lott/Reuters)

Jessey Sisson rides sits on his ostrich as he waits in the gate before the ostrich race at the annual Ostrich Festival in Chandler, Arizona March 10, 2013. (Photo by Joshua Lott/Reuters)

Riders and their ostriches leave the gate during an ostrich race at the annual Ostrich Festival in Chandler, Arizona March 10, 2013. (Photo by Joshua Lott/Reuters)

Dustin Murley (L) and Jessey Sisson race on their ostriches during the annual Ostrich Festival in Chandler, Arizona March 10, 2013. (Photo by Joshua Lott/Reuters)

Spectators prepare to watch the ostrich race during the annual Ostrich Festival in Chandler, Arizona March 10, 2013. (Photo by Joshua Lott/Reuters)

Dustin Murley falls off his ostrich as Jessey Sisson looks on during the ostrich race at the annual Ostrich Festival in Chandler, Arizona March 10, 2013. (Photo by Joshua Lott/Reuters)

Dustin Murley falls off his ostrich as Jessey Sisson looks on during the ostrich race at the annual Ostrich Festival in Chandler, Arizona March 10, 2013. (Photo by Joshua Lott/Reuters)

Dustin Murley is run over by his ostrich after falling off during the ostrich race at the annual Ostrich Festival in Chandler, Arizona March 10, 2013. (Photo by Joshua Lott/Reuters)

Jessey Sisson rides his ostrich during the ostrich race at the annual Ostrich Festival in Chandler, Arizona March 10, 2013. (Photo by Joshua Lott/Reuters)