Many people know the regularity in rally. The Trophy Alain Fabre includes two tests of regularity on the circuits of Ledenon and Nogaro. Its principle is simple. After the 4 hours of free tests of the morning, each team provides to the organization his time of reference. After the 4 hours of race, the best crews will be those which is the closest of its time of reference on 60 laps among 100 laps