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Peter Dejong, Associated Press
Romain Bardet of France, rear right, slams his handlebars as Britain's Stephen Cummings, wearing an orange helmet to mark Nelson Mandela's birthday, celebrates as he crosses the finish line to win the fourteenth stage of the Tour de France cycling race over 178.5 kilometers (110.9 miles) with start in Rodez and finish in Mende, France, Saturday, July 18, 2015. Center is Thibaut Pinot of France.

MENDE, France — British riders ruled Saturday at the Tour de France, with Stephen Cummings taking the win on Stage 14 and Chris Froome extending his already comfortable race lead.

Cummings got South African team MTN-Qhubeka its first win, on the day that South Africans celebrate as International Nelson Mandela Day.

Cummings ambushed two French riders, Romain Bardet and Thibaut Pinot, on a short flat section after the steep final climb.

"Fantastic," Cummings said.

Bardet and Pinot reached the summit together on the short but very sharp final ascent, only for Cummings to speed past them and take the win on an airfield above the town of Mende.

Bardet said he and Pinot were guilty of watching each other too much, neglecting the danger from Cummings catching them from behind.

"He was very crafty," Bardet said. "Very disappointed."

There were changes in the overall standings.

Tejay van Garderen, who had been second overall, struggled on the final ascent and couldn't stay with Froome and Nairo Quintana, who had been third overall at the start of the stage in Rodez.

Froome beat Quintana to the line with a finishing sprint. The Sky team leader now has an overall lead of 3 minutes, 10 seconds over Quintana, who vaulted into second place. Van Garderen is third, 3:32 behind Froome.

Established in 2009, Mandela Day is meant to encourage South Africans to emulate Mandela's humanitarian legacy and recognize the decades he spent fighting apartheid.