Graham finished the 2,500m course in a time of 1min 14.10sec, beating his brother by 0.36sec.
Despite a claimed 0-60mph time of 13.7sec, the 1.5R felt far from gutless and was a pleasure to use.
He took tenth place with a total time of 1hr 49min 28.85sec.
He broke the world record in the 200m in 2007 with a time of 25.17sec.
Pedrosa set a time of 1min 39.910 sec around the circuit.
In her first snowboard cross race, she had a time of 1min 35.26sec.
The top speed is 109mph with a 0-60mph time of 10.1sec and a claimed 54.3mpg.
He won the 100m competition with a time of 10.58sec, and the 200 metres in 21.46sec.
In a 1941 330-yd race, her time of 39.9 sec was later considered to be a world's best time.
When the motor and engine are working together the peak effective power is about 276bhp, which gives a 0-62mph time of 6.9sec.