UTMB Mont-Blanc – OCC – 56 km

Date 08/29/2019 – 08/30/2019

Country Switzerland

Distance 56 km

Elevation 3500 m  


The OCC is a race that begins in Switzerland, spends most of its time on the Swiss side of the border, save for the finish over the French border and into Chamonix.

Run the Alps Switzerland: 30 Must Do Trail Runs