Soapbox predecessor Flight Lab won at both events in 2008: bronze at The One Show, and winner of the 3D category and a Best in Show award at FITC.
Update: You can now vote for the Red Bull Soapbox Racer at the FITC Peoples Choice Award - Look for the box that says Flash Game or 3D Flash.
Update 2: We won! Red Bull Soapbox Racer came first in the category 3D Flash. Many thanks to all of you at FITC!