Carlos Sastre could extend his lead in stage 19 of the Tour de France ahead of Saturday's crucial time trial.

Former Olympic champion Chris Boardman says Geraint Thomas has a 'phenomenal' chance of winning a medal at the Games in Beijing.

Marcus Burghardt edges out Carlos Barredo to take a low-key stage 18 of the Tour, but there was no change at the top of the standings.

Pictures as the race for the yellow jersey continues

"He's been taciturn and tetchy, but Cadel Evans is set to win" - 5 Live's Peter Slater

Carlos Sastre looks to retain the Tour de France's yellow jersey in stage 18 from Bourg-d'Oisans to Saint Etienne.

Olympic cycling champ Chris Hoy heads to south Wales for final preparations

"Evans should be able to take the time back, but anything can happen" - JB

Spain's Carlos Sastre is the new holder of the yellow jersey after winning an intriguing stage 17 of the Tour de France.

Frank Schleck looks to retain his lead of the Tour de France in the 17th stage which includes the gruelling l'Alpe d'Huez.

Pictures from the gruelling 17th stage of the Tour

Geraint Thomas says his Barloword team-mate Moises Duenas Nevado should go to prison after the Spanish rider failed a drug test.

"Bang up the dopers and throw away the key!"

Tour de France leader Frank Schleck retains his yellow jersey after a gruelling mountain stage in the Alps.

"Oh dear Menchov, let them get away, big blunder, could prove crucial" - BC

Pictures as the Tour heads from Cuneo in northern Italy to Jausiers in France

Tour de France leader Frank Schleck tackles the Col de la Bonnette in the highest stage of this year's race.

Yellow jersey holder Frank Schleck believes his CSC team can continue to attack Tour de France favourite Cadel Evans as the race enters its final week.

Pictures as the Tour heads from Embrun to Prato Nevoso

Australian Simon Gerrans wins stage 15 of the Tour de France, as Luxembourg's Frank Schleck takes the yellow jersey in the Alps.