For me to have _any_ chance of survival on this course, I'd have to ride it at like 2mph and still probably crash a few times. This takes so much skill.
+Brandon Clark They have a timer and they can start from 5 to 0 when they feel ready some of them wait for the end of the count, others start directly at 5 but it doesn't mind the timer start at the same time for everyone there a little stick they push at the start like in ski world cup