Defending champion Primoz Roglic extended his overall lead of the Vuelta a Espana as Denmark's Magnus Cort Nielsen won Friday's 16th stage.

Join Pro to watch the 2020 Vuelta a Espana live and on-demand in Canada!

Slovenian Roglic finished second on the day to increase his advantage over Richard Carapaz to 45 seconds heading into the final weekend of the race that  finishes in Madrid on Sunday.

   Saturday's mountainous run represents a chance for Carapaz and third-placed  Hugh Carthy to threaten Jumbo Visma's Roglic for the title with a 178.2km ride  from Sequeros to the hilltop Alto de La Covatilla, before Sunday's  processional stage into the Spanish capital.

   Education First's Cort, who won two stages at the 2016 Vuelta, edged an  aggressive Roglic while Portuguese rider Rui Costa came third at the finish  line.

   "I timed it pretty well, I came through the last corner in a decent  position and then I was sitting, looking for an opening," Cort said.

   "I found that with 200m to go and I went with everything I had," he added.

   Angel Madrazo, in his home country, and Colombian Juan Felipe Osorio from  Spanish team Burgos BH made the early break after less than 20km.

   Their breakaway grew to include Frenchman Remi Cavagna and Australian  Robert Stannard who extended their lead to five minutes over the peloton with  100km left ahead of the two category climbs of the day.

   With 39km remaining and with the breakaway up El Robledo, Cavagna went  alone and was only caught by Stannard as the peloton continued to eat into the  advantage.

   On the calm descent from the only sprint section of the day's action the  lead was down to 20 seconds ahead of the final 30km before the pair were  caught in the final 20km.

   The peloton rushed into the western town of Cuidad Rodrigo in dry  conditions with Roglic near the front of the bunch and Cort tucked behind  before turning on the gas to pip Costa to take the win.