Aline Camboulives specializes in a sport where a significant component of the difficulty comes from what feature of the course? 
Aline Camboulives: Aline Camboulives (born 13 July 1973) is a French long distance runner who specialises in mountain running and road running. Fell running: Fell running, sometimes known as hill running or mountain running, is the sport of running and racing, off road, over upland country where the gradient climbed is a significant component of the difficulty.
the gradient