Dan Chabanov Today's stage is a showcase in how to tackle big mountain climbs, with the Tour's best riders managing effort, rhythm, and positioning over long stretches of steep road. In this breakdown, Bicycling's expert staff highlights the key lessons everyday riders can take from watching the pros, from pacing smartly on long ascents to staying composed when the climbing gets hardest. The takeaway is simple: there's more to climbing big mountains than just fitness.