An immense spectacle of human endeavour the series of races 7 in total, span 3 countries, culminating in the headline race of UTMB. Around 2300 runners take part in this epic race of around 171km in length, but more impressive than that, is they go up and down the mountain with around 10,000m of elevation. That is more than up to the summit of Mont Blanc and back again in a maximum time of permitted of 46.5 hours. Come and see the party atmosphere and all the stands and shops around this world famous event.