CHALLENGE – half the Tortour The shorter race format CHALLENGE with 500 kilometres and 6,800 metres in altitude was won by Team Cannondale (category Team of 2 Men), who arrived at the IWC Arena as the very first team of the event, clocking in a time of 16 hours and 31 minutes. The Solo Men category was won by Switzerland’s Philipp Amhof with a time of 19 hours and 6 minutes.