UTMB® [Ultra-Trail du Mont-Blanc®] : 3 countries – 170km and 10 000m ascent in semi-autonomy 2 300 runners at the start on Friday August 28th at 17:30 from Chamonix to Chamonix in 46hrs max . 

CCC® [Courmayeur-Champex-Chamonix] : 3 countries – 100km and 6 000m ascent in semi-autonomy 1 900 runners at the start on Friday August 28th at 09:00 from Courmayeur to Chamonix in 26 1/2 hrs max. 

TDS® [sur les Traces des Ducs de Savoie] : 119 km and 7 250m ascent in semi-autonomy 1 600 runners at the start on Wednesday August 26th at 06:00 from Courmayeur to Chamonix in 33hrs max . 

PTL® [la Petite Trotte à Léon] : 3 countries – around 300km and 26 000m ascent in complete autonomy A non-stop event without ranking open to 100 teams (250 runners max). Starts Monday August 24th at 17:30 from Chamonix to Chamonix in 142hrs max. 

OCC [Orsières-Champex-Chamonix] : 53 km and 3 300m ascent in semi-autonomy 1 200 runners at the start on Thursday August 27th at 08:00 from Orsières to Chamonix in 14 hrs max.

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