177 kilometres. 5,000 metres of climbing. Four legendary cols. Up to 7,000 riders on the start line in Bourg d’Oisans every summer, and most of them won’t finish the way they expect to. La Marmotte is one of the toughest sportives on the cycling calendar, and the reasons it breaks people aren’t the ones you’d … Continue reading La Marmotte Sportive: The Ultimate Guide From a Local Guide