Using the data at 2peaks.com and anayltic cycling
I estimate Cam Brown's CdA to be 0.204 compared to Al-Sultan's 0.27
Cam finished the course averaging 215 watts for average speed of 24.6 mph
Al Sultan averaged 274 watts for average speed of 24.7 mph
http://www.2peak.com/srm/srm_kona_2006/hawaii.php?graph=data_miles&send=ok&vars%5Balsultan%5D=alsultan&vars%5Bbrown%5D=brown&vars%5Bbell%5D=bell&vars%5Bmontgomery%5D=montgomery
I estimate Cam Brown's CdA to be 0.204 compared to Al-Sultan's 0.27
Cam finished the course averaging 215 watts for average speed of 24.6 mph
Al Sultan averaged 274 watts for average speed of 24.7 mph
http://www.2peak.com/srm/srm_kona_2006/hawaii.php?graph=data_miles&send=ok&vars%5Balsultan%5D=alsultan&vars%5Bbrown%5D=brown&vars%5Bbell%5D=bell&vars%5Bmontgomery%5D=montgomery