The Tour de France is approximately a 100-hour race, with race-deciding moments occurring during crucial climbs and time trials.

“um um yeah an average about five four and a half five hours a day yeah so something like that it's about a 100h hour race and yet the difference between the first second third guy will be in some cases seconds in some cases a few minutes for someone to win by five minutes is considered a blowout and it and and so what it really tells you is that there are a handful of minutes in that race there were a handful of climbs and time trials that set apart the winners from everybody else”