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It's nine years since Michal Kwiatkowski was world champion but this must go down as one of the finest rides of his career.
Summary
Stage 13: Chatillon-Sur-Chalaronne - Grand Colombier, 137.8km
Defending champion Jonas Vingegaard wears the yellow jersey as race leader
Two-time winner Tadej Pogacar is 17 seconds adrift overall
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Image source, Getty ImagesUAE Team Emirates have a huge numerical advantage here but look reluctant to use it. Is Tadej Pogacar missing an opportunity to take further time out of Jonas Vingegaard?
Postpublished at 3.5km to go
Dare I say it..Michal Kwiatkowski looks uncatchable now.
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Bar Thibaut Pinot everyone in the top 10 on GC is still in the yellow jersey group.
Michal Kwiatkowski is on the flatter section here and pushes out his lead to two minutes and 24 seconds.
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Michał Kwiatkowski still has over two minutes. This could be close though if anyone attacks from the yellow jersey group.
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Tadej Pogacar still has three teammates for company. Jonas Vingegaard has Sepp Kuss.
Felix Großschartner and Rafał Majka are controlling the pace.
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Simon Yates is still in the yellow jersey group, as is Jai Hindley who started the day third overall.
Felix Gall is there as well.
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Michał Kwiatkowski still has nearly three minutes to the yellow jersey group, who now pass Quentin Pacher.
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Thibaut Pinot cracks...there are riders strewn across the mountain.
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Marc Soler's work is done. He drops off gasping for air with Dylan van Baarle also drifting back.
Jonas Vingegaard has Sepp Kuss as his sole support act.
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Romain Bardet has popped. The yellow jersey group is really being whittled down at the moment as Marc Soler cracks the whip on the front for UAE Team Emirates.
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Michał Kwiatkowski is looking for his second Tour de France stage win here. His first was in 2020, also in the Alps at La Roche-sur-Foron.
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Pain, suffering and grimaces are pretty much etched across the faces of almost every rider I can see in the main bunch. The joys of the greatest cycling race in the world.
Postpublished at 11km to go
Michał Kwiatkowski has taken 30 seconds out of his three pursuers.
He looks to have paced this perfectly.
His Ineos Grenadiers teammate Egan Bernal looks to have been dropped out of the yellow jersey bunch.
He will not have happy memories of Grand Colombier at all given what happened to him here in 2019 as well.
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Michał Kwiatkowski has really put the hammer down here and flies past British climber James Shaw, Colombian Harold Tejada and Belgian Maxim van Gils.
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The breakaway was given no chance by almost everyone earlier but the leading trio of riders have three minutes and 40 seconds.
Now Michał Kwiatkowski attacks from further back...
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Quentin Pacher is caught and passed by James Shaw, Harold Tejada and Maxim van Gils.
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Quentin Pacher is being roared on as he heads up this steep section of switchbacks at over 10%
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A plume of blue smoke flies up off the tarmac as the yellow jersey group continue their ascent.
A few of the UAE Team Emirates riders didn't enjoy passing through that.
Meanwhile, Tadej Pogacar glances down and sees the shadow of his great rival Jonas Vingegaard, glued to his wheel.
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Quentin Pacher has eked out 20 seconds. Can the Frenchman record a famous win here?