Reigning champion Chris Froome wasted no time flexing his muscles at the Tour de France as he powered to sixth place in a treacherous opening time trial won superbly by Team Sky colleague Geraint Thomas on Saturday.
After almost three weeks of action-packed racing the minor podium places in the Tour de France are likely to be decided in Saturday's final time trial.
Vincenzo Nibali strengthened his stranglehold on the Tour de France when he gained further ground over his rivals in the second Alpine stage won by Poland's Rafal Majka on Saturday.
A month after completing a two-year ban for doping, Alberto Contador showed that he was still a force to be reckoned with as he won his second Vuelta a Espana title on Sunday.
Italian Riccardo Ricco won the sixth stage of the Tour de France on Thursday while Luxembourg's Kim Kirchen seized the overall leader's yellow jersey. The Giro d'Italia runner-up, also known as "The Cobra", attacked in the final metres of a category-two climb to Super-Besse to beat Spain's Alejandro Valverde and Australian Cadel Evans, second and third respectively.
Young Spanish rider Alejandro Valverde, who beat race leader Armstrong in a sprint finish in Tuesday's mountainous 10th stage, quit the Tour de France suffering with a knee injury.
British journeyman Stephen Cummings earned South African team MTN-Qhubeka a landmark victory on Mandela Day when he spoiled a French party to take a surprise win in the 14th stage of the Tour de France on Saturday.
Chris Froome tightened his grip on the Tour de France on Wednesday, extending his overall lead to well over three minutes at the halfway mark with a predictably brilliant performance in the time trial.
Chris Froome has been so strong on this year's Tour de France that at times he appears to have been toying with his rivals.
Portugal's Rui Costa kept his composure in a tense finale to upset the favourites and clinch the cycling world championships road race on Sunday.
Overall leader Chris Froome put the hammer down on the Tour de France when the Briton humiliated his rivals in the first mountain test, winning the 10th stage in awe-inspiring fashion on Tuesday.
Alexis Vuillermoz earned the French their first victory on this year's Tour de France, his final kick proving too hot to handle for the big guns in the eighth stage on Saturday.
Tour de France leader Tony Martin abandoned the race on Thursday after breaking his collarbone.
Tom Dumoulin of the Netherlands attacked near the foot of the final climb to win the ninth stage of the Tour de France in extreme weather conditions as Alberto Contador pulled out of the race on Sunday.
Chris Froome has one more mountainous hurdle to overcome to claim a second Tour de France title after Friday's 19th stage in which had 30 seconds chopped off his lead as Vincenzo Nibali claimed a controversial victory.
Briton Chris Froome won his second Tour de France title in three years on Sunday to enhance his growing reputation as a grand tour specialist.
Froome in control as Contador drifts, Van Garderen out of Tour de France.
Chris Froome is poised to win a second Tour de France title after being forced to hang on desperately as Colombian Nairo Quintana attacked relentlessly in Saturday's penultimate stage up the iconic Alpe d'Huez.
Alberto Contador will cement his status as the best grand tour rider of the modern era if he emerges as the winner of the Big Four's battle royale at the Tour de France -- the most highly anticipated race in decades.
German Marcel Kittel claimed his third victory on this year's Tour de France when he pipped Mark Cavendish on the line to take the 12th stage on Thursday.
Mark Cavendish's Tour de France campaign suffered another setback on Tuesday when the Briton had to settle for third in a sprint after being involved in a crash in a chaotic stage 10 finale won by Marcel Kittel.
A look at the main Tour de France contenders ahead of Saturday's first stage, a 14-km individual time trial in Duesseldorf:
But Froome's Big Four rivals at the tour -- Alberto Contador, Vincenzo Nibali and Nairo Quintana - weren't the only hurdles in his path. There were outside influences that threatened to derail his campaign.