The 2012 Tour de France was the 99th edition of the race, one of cycling's Grand Tours. It started in the Belgian city of Liège on 30 June and finished on the Champs-Élysées in Paris on 22 July. The Tour consisted of twenty-one race stages, including an opening prologue, and covered a total distance of 3,496.9 km (2,173 mi).
The number of riders per nation that participated in the 2012 Tour de France:
20+
10–19
2–9
1
The race was contested by a total of twenty-two teams. All eighteen of the 2012 UCI World Tour's ProTeams were entitled, and obliged, to enter. In April 2012, the organizer of the Tour, Amaury Sport Organisation (ASO), announced the four UCI Professional Continental teams given wildcard invitations, of which three were French-based (Team Europcar, Cofidis and Saur–Sojasun) and one Dutch (Argos–Shimano). The presentation of the teams – where each team's roster are introduced in front of the media and local dignitaries – took place outside the Prince-Bishops' Palace in Liège, two days before the first stage.
Each squad was allowed a maximum of nine riders, resulting in a start list total of 198 riders. Of these, 35 were riding the Tour de France for the first time. From the riders that began the race, 153 crossed the finish line in Paris. The average rider age was 30.17, with 22-year-old Thibaut Pinot (FDJ–BigMat) as the youngest rider, and 40-year-old Jens Voigt (RadioShack–Nissan) the oldest. Of the total average ages, Saur–Sojasun was the youngest team and RadioShack–Nissan the oldest. The riders came from 31 countries; France, Spain, Netherlands, Italy, Belgium, Germany and Australia all had 12 or more riders in the race. Riders from six countries won at least one stage; British riders won the largest number of stages, a total of seven.