Italy's Vincenzo Nibali celebrates retaining the pink jersey of leader of the race after the 14th stage of the Giro d'Italia, Tour of Italy cycling race, from Cervere to Bardonecchia, Saturday, May 18, 2013. Mauro Santambrogio won in a time of 4 hours, 42 minutes, 55 seconds in in rainy, windy and even snowy conditions, beating the leader of the race Vincenzo Nibali in a final sprint at the top of the steep Jafferau climb. (AP Photo/Gian Mattia D'Alberto)

Italy’s Vincenzo Nibali celebrates retaining the pink jersey of leader of the race after the 14th stage of the Giro d’Italia, Tour of Italy cycling race, from Cervere to Bardonecchia, Saturday, May 18, 2013. Mauro Santambrogio won in a time of 4 hours, 42 minutes, 55 seconds in in rainy, windy and even snowy conditions, beating the leader of the race Vincenzo Nibali in a final sprint at the top of the steep Jafferau climb. (AP Photo/Gian Mattia D’Alberto)

(Reuters) – Italy’s Mauro Santambrogio won the 14th stage of the Giro d’Italia, a mountain top finish after a 163-kms ride on Saturday.

Italy's Mauro Santambrogio celebrates as he crosses the finish line to win the 14th stage of the Giro d'Italia, Tour of Italy cycling race, from Cervere to Bardonecchia, Saturday, May 18, 2013. Santambrogio won in a time of 4 hours, 42 minutes, 55 seconds in in rainy, windy and even snowy conditions, beating the leader of the race Vincenzo Nibali in a final sprint at the top of the steep Jafferau climb. (AP Photo/Gian Mattia D'Alberto)

Italy’s Mauro Santambrogio celebrates as he crosses the finish line to win the 14th stage of the Giro d’Italia, Tour of Italy cycling race, from Cervere to Bardonecchia, Saturday, May 18, 2013. Santambrogio won in a time of 4 hours, 42 minutes, 55 seconds in in rainy, windy and even snowy conditions, beating the leader of the race Vincenzo Nibali in a final sprint at the top of the steep Jafferau climb. (AP Photo/Gian Mattia D’Alberto)

Italy's Mauro Santambrogio celebrates as he crosses the finish line to win the 14th stage of the Giro d'Italia, Tour of Italy cycling race, from Cervere to Bardonecchia, Saturday, May 18, 2013. Santambrogio won in a time of 4 hours, 42 minutes, 55 seconds in in rainy, windy and even snowy conditions, beating the leader of the race Vincenzo Nibali in a final sprint at the top of the steep Jafferau climb. (AP Photo/Gian Mattia D'Alberto)

Italy’s Mauro Santambrogio celebrates as he crosses the finish line to win the 14th stage of the Giro d’Italia, Tour of Italy cycling race, from Cervere to Bardonecchia, Saturday, May 18, 2013. Santambrogio won in a time of 4 hours, 42 minutes, 55 seconds in in rainy, windy and even snowy conditions, beating the leader of the race Vincenzo Nibali in a final sprint at the top of the steep Jafferau climb. (AP Photo/Gian Mattia D’Alberto)

Italy's Mauro Santambrogio celebrates on podium after winning the 14th stage of the Giro d'Italia, Tour of Italy cycling race, from Cervere to Bardonecchia, Saturday, May 18, 2013. Santambrogio won in a time of 4 hours, 42 minutes, 55 seconds in in rainy, windy and even snowy conditions, beating the leader of the race Vincenzo Nibali in a final sprint at the top of the steep Jafferau climb. (AP Photo/Gian Mattia D'Alberto)

Italy’s Mauro Santambrogio celebrates on podium after winning the 14th stage of the Giro d’Italia, Tour of Italy cycling race, from Cervere to Bardonecchia, Saturday, May 18, 2013. Santambrogio won in a time of 4 hours, 42 minutes, 55 seconds in in rainy, windy and even snowy conditions, beating the leader of the race Vincenzo Nibali in a final sprint at the top of the steep Jafferau climb. (AP Photo/Gian Mattia D’Alberto)

Santambrogio beat compatriot Vincenzo Nibali, who came second in the same time and extended his overall lead after his rivals lost ground.

Colombian Carlos Betancur was third, nine seconds off the pace according to provisional results.