Spectators in classic French Citroen 2CV cars cheer as the pack passes during the 15th stage of the Tour de France on Monday, July 16. The 98.5-mile leg started in Samatan and finished in Pau.

Bradley Wiggins of Great Britain, wearing the overall leader's yellow jersey, celebrates on the podium of after 15th stage of the Tour de France.

Pierrick Fedrigo of France crosses the finish line to win the 15th stage of the Tour de France. Fedrigo is the fourth French rider to win a stage during this year's event.

Stage winner Pierrick Fedrigo of France, left, and Christian Vandevelde of the United States, sprint toward the finish line of the 15th stage of the Tour de France. Fedrigo edged Vandevelde for the stage win.

The pack rides during the 15th stage of the Tour de France.

The pack passes through the town of Morlaas during the 15th stage of the Tour de France.

Luis-Leon Sanchez of Spain crosses the finish line in Foix, France, on Sunday to win the 14th stage of the Tour de France on a day cyclists had to deal with tacks on the course.

Tour de France competitors get encouragement during Stage 14 from cheerleaders of the USAP rugby team from Perpignan, France.

Cyling fans leave their picnic behind to cheer on Tour de France riders as the pack passes during Stage 14.

It's never too early for some Christmas cheer. Just ask the Tour de France contestants who encounterd this jolly fan during Stage 14.

Tour de France riders sometimes take a backseat to prerace entertainment, such as this moment before Stage 14 in which a man dressed as an old-time French postal worker watches an acrobat balance his bicycle atop a lamp post.

Andre Greipel gets another trip to the podium after winning the 13th stage on Saturday.

Andre Greipel reaches for the sky after crossing the finish line first.

Team Europcar passes a woman waving the French flag on Bastille Day. The 13th stage of the Tour De France is 134.8 miles from Saint-Paul-Trois-Chateaux to Le Cap D'Agde.

Fredrik Kessiakoff of Sweden, wearing the best climber's dotted jersey, gets back on his bicycle after crashing with Anthony Roux of France on Saturday.

The pack with Bradley Wiggins of Britain, wearing the overall leader's yellow jersey, rides during the 13th stage of the Tour de France.

Race fans show their support while watching the 13th stage of the Tour de France.

Michael Rogers (AUS), Mark Cavendish (GBR), Christian Knees (GER), Bernhard Eisel (AUT), Edvald Boasson Hagen (NOR), Richie Porte (AUS), Bradley Wiggins (GBR), and Christopher Froome (GBR) during the 2012 Tour de France.

Bradley Wiggins of Britain, wearing the overall leader's yellow jersey, climbs Grand Colombier pass in the pack during the 10th stage of the Tour de France.

Cadel Evans of Australia, Bradley Wiggins of Britain, wearing the overall leader's yellow jersey, and Vicenzo Nibali of Italy, from left, sprint towards the finish line of the 10th stage of the Tour de France.

Thomas Voeckler of France crosses the finish line to win the 10th stage of the Tour de France.

Supporters of Bradley Wiggins of Britain, nicknamed Wiggo, cheer as he passes, second left wearing the overall leader's yellow jersey, during the 10th stage of the Tour de France.

Bradley Wiggins of Britain, wearing the overall leader's yellow jersey, celebrates Monday after winning the ninth stage of the Tour de France. The 25.8-mile time trial started in Arc-et-Senans and finished in Besancon. Wiggins is attempting to become the first British winner of the Tour.

Germany's Jens Voigt rides ahead of a support vehicle during Stage 9.

Frenchman Thibaut Pinot rides during the Stage 9 time trial.

Cadel Evans of Australia takes the start of the ninth stage.

Cadel Evans of Australia rides during the ninth stage.

Thibaut Pinot celebrates as he crosses the finish line to win stage eight of the Tour de France from Belfort to Porrentruy, Switzerland. It was the first stage victory by a French rider this year.
 

Fans cheer on Sweden's Fredrik Kessiakoff, wearing the best climber's polka dot jersey, during a climb at the end of the eighth stage.

An anti-doping fan offers a reminder of the sport's greatest problem as he waits for riders during the eighth stage.
 

The pack with Cadel Evans of Australia, 2011 Tour de France winner, third from right, passes a saw mill during the eighth stage.
 

A man rides his horse alongside the pack during the eighth stage.
 

Team Sky rider Bradley Wiggins of Britain wears the leader's yellow jersey on the podium after the seventh stage of the Tour de France.

Vicenzo Nibali of Italy, fourth place, Stage winner Christopher Froome of Britain, Bradley Wiggings of Britain, third place, and Cadel Evans of Australia, second place, from left to right, climb towards La Planche des Belles Filles during the seventh stage of the Tour de France.

The pack rides past a field of sunflowers during the seventh stage of the Tour de France.

The injured wrist of France's Anthony Delaplace is pictured before he retired from the race after the seventh stage of the Tour de France.

The sunglasses of Italy's Ivan Basso, tucked in his helmet, cast a butterfly shaped shadow on his face prior to the start of the seventh stage of the Tour de France.

Peter Sagan of Slovakia, wearing the best sprinter's green jersey, crosses the finish line ahead of Andre Greipel of Germany, right, and Matthew Harley Goss of Australia, left, to win the sixth stage of the Tour de France.

The pack passes pine trees during the sixth stage of the Tour de France.

Overall leader's yellow jersey, Switzerland's Fabian Cancellara eats as he rides in the sixth stage of the Tour de France.

Omega Pharma-Quickstep rider Sylvain Chavanel of France prepares for the start of the sixth stage of the Tour de France .

Decorations representing cyclists wearing leaders jerseys are seen as fans wait for riders on the roadside prior to the beginning of the sixth stage of the 2012 Tour de France.

Andre Greipel of Germany, riding for the Lotto-Belisol team, celebrates Thursday as he wins Stage 5 of the 2012 Tour de France from Rouen to Saint-Quentin. It was Greipel's second straight stage victory.

The pack with Fabian Cancellara of Switzerland, wearing the overall leader's yellow jersey, sitting upright on his bicycle, passes poppies in a field during the fifth stage, a 122-miles leg from Rouen to Saint-Quentin, France. Cancellara has been the overall leader since the first day of the Tour.

The pack passes a church in Rouen during the start of the fifth stage of the Tour de France.

Residents of Lyons-la-Foret watch the pack pass during the fifth stage of the Tour de France.

Fabian Cancellara of Switzerland, wearing the overall leader's yellow jersey, rear, and Bernhard Eisel of Austria, left, wait to take the start of the fourth stage of the Tour de France. Cancellara retained the lead after the 133.3-miles journey Wednesday, July 4, from Abbeville to Rouen.

France's David Moncoutie, Japan's Yukiya Arashiro, and France's Anthony Delaplace ride in a breakaway during the fourth stage.

A fan of French cyclist Thomas Voeckler stands on top of his car during the fourth stage. Voeckler was distanced by the pack in the third stage and lost considerable time in the overall standings because of a knee injury.

Andre Greipel of Germany, a member of the Lotto-Belisol Team, celebrates winning stage four.

Tour de France cyclists ride along the coast during Stage 4.

Great Britain's Mark Cavendish reacts on the ground after a crash near the end Stage 4. A pileup occurred after Robbie Hunter tumbled over his handlebars. About two-thirds of the field was delayed, and Cavendish lost four minutes. Though Cavendish's injuries were reported to be superficial, the 21-time stage winner likely has fallen out of contention for the overall lead.

The pack of riders cycles during the third stage of the 99th Tour de France between Orchies and Boulogne sur mer on Tuesday, July 3.
 

Liquigas-Cannondale rider Peter Sagan of Slovakia holds up his arms as he wins the Stage 3 on Tuesday. Fabian Cancellara of Switzerland remained the overall leader for a fourth straight day.
 

The pack of riders cycles past the church of Aire-sur-la-Lys during the third stage.

Mark Cavendish of Britain, center, crosses the finish line ahead of Matthew Harley Gross of Australia, right, to win the second stage of the Tour de France on Monday. The stage was 129 miles of mostly flat terrain, with start in Vise and finish in Tournai, Belgium.

Mark Cavendish, rear right with yellow helmet, pushes his bicycle over the finish line ahead of Andre Greipel of Germany, front, and Matthew Harley Gross of Australia at the end of the second stage Monday.

Fabian Cancellara of Switzerland, wearing the overall leader's yellow jersey, rides in the pack during the second stage of the Tour de France on Monday. Cancellara retained the lead at day's end.

Tour director Christian Prudhomme prepares to announce the start of the second stage on Monday.

The pack passes farm fields during the second stage of the Tour de France on Monday.

The pack climbs toward the Citadel in Namur during the second stage Monday, one of the few climbs in the 129-mile leg.

Belgium's King Albert II shakes hands with a member of Ride 2 Recovery, an organization for wounded US war veterans, during the second stage of the Tour de France on Monday, July 2.
 

The pack with Fabian Cancellara of Switzerland, wearing the overall leader's yellow jersey, and Tejay van Garderen of the US, wearing the best young rider's white jersey, passes a bridge spanning Meuse river on Monday.

Peter Sagan of Slovakia, right, crosses the finish line ahead of Fabian Cancellara of Switzerland, wearing the overall leader's yellow jersey, to win the first stage of the Tour de France Sunday.

Luis-Leon Sanchez of Spain, right, and Fabian Cancellara of Switzerland, wearing the overall leader's yellow jersey, ride in the pack during Sunday's 198-kilometer stage starting in Liege and finishing in Seraing, Belgium.

The pack passes through Theux during the first stage to Seraing, Belgium.

The pack rides the parade prior to the start of Sunday's stage.

Spectators watch the pack from atop a bridge during the start of the first stage of the Tour de France in Liege, Belgium.

France's Pierre Rolland seems to be enjoying his run in the Tour de France Prologue at Parc d'Avroy Saturday. The 99th Tour de France starts with the 6.4-kilometer individual time trial around the streets of Liege.

Lieuwe Westra takes his shot at a fast time in the timed segment of the Tour de France.

South Africa's Robbie Hunter makes his run Saturday.

American Levi Leipheimer races to 80th place in the prologue.

Germany's Tony Martin races to 45th place after a setback because of a flat tire in the prologue.

France's Thomas Voeckler takes a turn during the timed trial segment on the streets of Liege as the 99th Tour de France kicks off.

American Tejay van Garderen strains as he crosses the finish line to take fourth in the prologue, an individual time trial over 6.4 kilometers (4 miles) with its start and finish in Liege, Belgium, in the Tour de France.

Britain's Mark Cavendish prepares to take the start of the prologue of the Tour de France cycling race in Belgium Saturday.

Spain's Samuel Sanchez corners a roundabout in the prologue timed race.

Germany's Tony Martin endured a rough outing. The reigning world time trial champion had a flat tire and had to change bikes in the run.

Great Britain's Bradley Wiggins was stout in his timed outing, but fell just short of taking the yellow jersey in the run. Wiggins was seven seconds behind the winner.

Switzerland's Fabian Cancellara, wearing the overall leader's yellow jersey, celebrates on the podium after winning the prologue of the Tour de France Saturday.