Backdropped by the velodrome U.S.'s Brooke Crain jumps during the women warms-up before the start of the BMX Supercross World Cup at the Olympic Park's BMX Track in London, Saturday, Aug. 20, 2011. ... more 
Backdropped by the velodrome U.S.'s Brooke Crain jumps during the women warms-up before the start of the BMX Supercross World Cup at the Olympic Park's BMX Track in London, Saturday, Aug. 20, 2011. The course will host the London 2012 Olympic BMX competition next year. (AP Photo/Sang Tan) less 
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Associated Press | Photo By Sang Tan
Sat, Aug 20, 2011 10:04 AM EDT