The information is to include age, race, national origin, education and income, among other things.
The 1971 season included 26 individual races, though some tracks were run twice.
Possible factors include gender, personality of the victim, and race.
The season include 10 races but the lack of participants force to cancel the series as it was the past year.
Risk factors include age, family history of colorectal cancer, race, and more.
The calendar was expanded for 2011 to include more races in Europe.
The first leg includes eight races with a 50-20-10-5 scale.
The second leg includes six races with a 100-40-20-10 scale.
Each championship round include 2 races lasting about 30 minutes.