Opening week and Vosges () gained the third of his four
race stage wins in stage four's
bunch sprint finish at Lille's
Stade Pierre-Mauroy stadium. The first stage's bunch sprint finish was won by Marcel Kittel. A crash in the sprint caused Mark Cavendish, a favourite for the win, to fall; he did not start stage two. Kittel gained the race leader's yellow
jersey and the green jersey as the leader of the points classification, with Jens Voigt taking the
polka dot jersey as the leader of the
mountains classification. In the following stage, likened to a "mini
Liège-Bastogne-Liège", Vincenzo Nibali took the stage win and yellow jersey, attacking on Sheffield's hilly terrain with remaining. Peter Sagan took the green jersey and
Cyril Lemoine () took the polka dot jersey. Stages three and four, finishing in London and Lille respectively, ended in bunch sprints and were both won by Kittel. Crashes in stages four and five forced pre-race favourite Chris Froome to abandon the race; his injuries were later revealed to be fractures to his left wrist and right hand. The weather was wet throughout the fifth stage, with the sett paving causing many crashes (although not Froome's). The fractured ending was won by an attack in the final by
Lars Boom of . Nibali, who placed third, extended his overall lead over his rivals, with Alberto Contador 2 min 37 s down. André Greipel won stage six's bunch sprint in
Reims. Another bunch sprint took place at the end of the next stage, with the hilly finish decided by a
photo finish between Sagan and the winner
Matteo Trentin (). Stage eight, the first at altitude, was taken by 's
Blel Kadri, who attacked from a
breakaway group with to go; he managed to hold his lead over the chasing group of overall favourites, who came in over two minutes behind. His win put Kadri into the polka dot jersey. Another solo victory came the following day, when
Tony Martin of
dropped fellow breakaway rider
Alessandro De Marchi () with remaining. A large group that formed in pursuit of the duo finished 2 min 45 s behind, with the unconcerned general classification contenders coming together in at 7 min 46 s down. The yellow jersey went to a rider from the first group, 's
Tony Gallopin. Martin now led the mountains classification. Stage ten was the Tour's first high mountain stage. On the final climb to the finish at La Planche des Belles Filles, Nibali attacked from the group of overall contenders with remaining, passed two surviving riders from the day's early breakaway, and claimed his second stage win, which put him back in the yellow jersey.
Joaquim Rodríguez (), one of the two breakaway riders, took the polka dot jersey. Contador crashed during the descent of the
Petit Ballon, into the stage, forcing him to quit the race; it was later revealed that he had fractured his right
tibia. The next day was the first rest day of the Tour. The twelfth stage was won by Alexander Kristoff from a bunch sprint. Nibali took the stage win the following stage, making his move from the leading group in the final on the
hors catégorie climb to Chamrousse. He extended his lead over the second-placed overall rider Alejandro Valverde to 3 min 37 s.
Richie Porte, who was second overall before the stage and the new leader of , lost around nine minutes and dropped to sixteenth. Nibali took the lead of the mountains classification. In stage fourteen,
Rafał Majka () attacked from a reduced breakaway on the climb to the finish in Risoul with remaining and managed to hold off chasing the group of overall favourites and soloed to victory. Nibali, second in the stage, extended his lead further by one minute as Valverde lost time and Rodríguez regained the polka dot jersey. Kristoff won the bunch sprint in the transitional stage fifteen. In the first of the three stages in the Pyrenees, the sixteenth, a breakaway group of 21 riders formed in. The group reduced to five after the final climb, the
hors catégorie Port de Balès with remaining, out of which came the winner,
Michael Rogers of (), who attacked from finish in
Bagnères-de-Luchon. The group of general classification favourites came in over eight minutes down. Majka led the mountains classification. The Tour's
queen stage, the seventeenth, featured three first-category climbs and the
hors catégorie climb to the finish at Saint-Lary Pla d’Adet. An early nine-strong breakaway was pulled back before the first climb by for their rider Rodríguez to take the mountains classification points and the temporary lead of the competition. This led to the formation of a large lead group which gradually split across the middle climbs. Rodriguez and Majka led the lead group race over the penultimate climb, with the former first. On the final climb, a group of four that had escaped were caught by Majka, who had dropped Rodríguez, and he soloed to claim his second stage win and the large number of points for the summit finish. Nibali had split apart the group of chasing overall favourites and came in third. Second-placed overall Valverde lost a minute to Thibaut Pinot in third.
Pyrenees and finale , marshalled by teammate
Michele Scarponi, before he won stage eighteen to increase his lead in the
general classification's yellow jersey The Tour's final mountain stage, the eighteenth, saw Nibali take his fourth victory of the race at Hautacam; his stage winning move came from the finish, on the climb to Hautacam. He finished 1 min 10 s ahead of a group which were four of his nearest general classification rivals, with the exception of Valverde, who lost further time and dropped to fourth overall, displaced by Thibaut Pinot and Jean-Christophe Péraud, respectively. Majka finished third in the stage and secured the mountains classification. In stage nineteen,
Ramūnas Navardauskas of attacked a peloton fractured by rain from the finish to win the stage. Martin claimed his second stage of the Tour in the penultimate stage's individual time trial. His time of 1h 6 min 21 s over the course was 1 min 39 s faster than second-placed
Tom Dumoulin (). Nibali finished fourth, increasing his advantage. In the final stage, Kittel secured a second successive victory on the Champs-Élysées in Paris, his fourth stage win of the race. Nibali finished the race to win the general classification by a margin of 7 min 39 s, the largest winning margin since
Jan Ullrich in the
1997 Tour. Second and third respectively were Péraud and Pinot, with the latter 8 min 15 s down on Nibali. The points classification was won by Sagan with 431 points; Kristoff came second with 282 points. Majka finished with 181 points in the mountains classification, 13 ahead of second-placed Nibali. Pinot was the best
young rider, with
Romain Bardet () second. The
team classification was won by , 34 min 46 s ahead of second-placed . Of the 198 starters, 164 reached the finish of the last stage in Paris. ==Classification leadership and minor prizes==