Dutchman Tom Dumoulin quit the Olympic men's road race shortly after the start alongside the Copacabana in Rio on Saturday. Dumoulin, who broke his wrist during the Tour de France, lasted around 10km of the 237.5km of the race which winds along the coast before taking the peloton into the coastal mountains. Britain's Tour de France champion Chris Froome is one of the favourites for gold along with Italy's Vincenzo Nibali, Spain's Alejandro Valverde and Poland's Rafal Majka. More...