Depends on the Pro...
In a double Pro, ie DC, it's 3 sets of 4 runs. Best right time plus best left time = your time.
In a single Pro, ie Finger Lakes, its 3 sets of 3 runs. Best run from each set are added together to = your time.
In a double cross, ie Atlanta, your best time counts, I believe.
Ted
2004 Z16/Z06 SS