In a soapbox derby street race....

via fark.com....

http://cbs2.com/local/Soapbox.race.Tarzana.2.673149.html

LOS ANGELES (AP) .  A man has died after the homemade soapbox he was
riding down a San Fernando Valley street during a race spun out of
control and crashed into a parked car.

Watch the video.... they mention he was wearing a helmet!