Colombia’s Nairo Quintana won the 17th stage of the Tour de France on Wednesday, while Welshman Geraint Thomas extended his lead in the general classification.

Ireland’s Dan Martin (UAE) finished 28secs behind Quintana, with Thomas (Sky) third at 0.47 and Slovenian Primoz Roglic (Lotto-Jumbo) in fourth at 0.52.

Thomas came into the 65-kilometre stage 1min 39sec ahead of teammate and defending champion Chris Froome. But Froome finished 1:36 behind Quintana and nearly a minute off Thomas, which saw him drop to third overall while Dutchman Tom Dumoulin moved up to second.

Thomas will start Thursday’s mainly flat stage with a 1:59 lead over Dumoulin and 2:31 over Froome.

Stage 17 result:

1. Nairo Quintana (Col/Movistar Team) 2hrs 21mins 27secs
2. Dan Martin (Ire/UAE Team Emirates) +28secs
3. Geraint Thomas (GB/Team Sky) +47secs
4. Primoz Roglic (Slo/Team LottoNL-Jumbo) +52secs
5. Tom Dumoulin same time
6. Steven Kruijswijk (Ned/LottoNL-Jumbo) +1min 5secs
7. Egan Bernal (Col/Team Sky) +1min 33secs
8. Chris Froome (Gbr/Team Sky) +1min 35secs
9. Mikel Landa (Spa/Movistar) same time
10. Ilner Zakarin (Rus/Katusha-Alpecin) +2mins 1sec

General classification standings

1. Geraint Thomas (GB/Team Sky) 70hrs 34mins 11secs
2. Tom Dumoulin (Ned/Team Sunweb) +1min 59secs
3. Chris Froome (GB/Team Sky) 2mins 31secs
4. Primoz Roglic (Slo/Team LottoNL-Jumbo) +2mins 47secs
5. Nairo Quintana (Col/Movistar Team) +3mins 30secs
6. Steven Kruijswijk (Ned/LottoNL-Jumbo) +4mins 19secs
7. Mikel Landa (Spa/Movistar) +4mins 34secs
8. Romain Bardet (Fra/AG2R La Mondiale) +5mins 13secs
9. Dan Martin (Ire/UAE Team Emirates) +6mins 33secs
10. Jakob Fuglsang (Den/Astana) +9mins 31secs