Vuelta España Stage 20: Segovia > Bola del Mundo, 171kms

Simon Clarke is in the day's big escape as it starts the climb of Navafria - they already have a four-minute gap...

The peloton climbs the Navafria with the weather turning from sun and warmth to cloud, rain, and cold...

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Richie Porte and David De La Fuente push the escape along on the followong climb, the Puerto de Canencia...

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Euskatel has come out with the sunshine to chase on the Puerto de la Morcuera, reducing the gap from ten to eight minutes...

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Clarke is building more climbing points in the escape - but their lead is less than six minutes on the Puerto de Cotos...

Kevin Seeldraeyers leads the escape on to the Puerto de Navacerrada with eleven kilometres to go...

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Porte leads Menchov and De Weert away from the escape - one of the three will win today's stage..!

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Igor Anton has jumped from the favourites group to a counter-attack chasing the escape...

Jesus Hernandez is leading the peloton in wary pursuit - the temperatures have soared and made life difficult for everyone after the earlier chill...

Anton starts the climb to Bola del Mundo with a small advantage over the Saxo-led group, but he's almost five minutes down on the Menchov/Porte escape...

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Rafal Majka leads Contador on to the final climb, but will the race-leader attack..?

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Joachim Rodriguez has attacked from the Contador group and is gaining time on the Bola del Mundo ascent...

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Contador cannot or has not reacted to Rodrigiez - he's suffering but has left Valverde behind...

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Contador need not worry about Rodriguez, but the Bola del Mundo is one climb too many for the race-leader...

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Valverde has re-caught Contador in the last-kilometre - Rodriguez is about 25-seconds ahead...

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Chris Froome is feeling stronger today - but he'll still lose about one minute to Valverde and Rodriguez...

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Contador, Valverde, De La Fuente, Anton, Talansky and Froome scale the last ramp to the finish on Bola del Mundo...

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Johan Van Summeren leads a dropped group on to the Bola del Mundo - the 'Ceiling of Madrid' as it is called locally...

Denis Menchov won stage twenty - he cannnot believe his luck today..!

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Alberto Contador knows he is one easy day away from winning the 2012 Vuelta a España..!

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