How is the winner of the Tour de France calculated?

Tadej Pogacar celebraring his Tour de France victory in 2021

Tour de France is not just the world’s most famous cycling race, it’s also one of the most complex sporting events in terms of determining its winner. The winner of the Tour de France isn’t simply the fastest rider or the one who wins the most stages, it’s the rider who can best manage their time across all the stages, taking into account the terrain, the competition, and the tactical demands of the race.

This process of determining the winner centers around the General Classification (GC), which is calculated based on the cumulative time it takes each rider to complete all the stages of the race.

The rider with the lowest cumulative time at the end of the final stage is declared the overall winner and is awarded the Yellow Jersey (Maillot Jaune), which was introduced to the rsce in 1919.  However, the process of determining the GC leader and, ultimately, the Tour winner, is far more intricate than simply adding up times.

The calculation of the GC begins with meticulous timekeeping. Each rider’s time is recorded for every stage of the race, and these times are added together to form the rider’s cumulative time. The precision with which this time is calculated is crucial, as even a difference of a few seconds can determine the winner of the Tour de France. Time is measured down to the second, and in some cases, to fractions of a second, ensuring that every moment counts in the final tally. This cumulative time is updated daily, and the rider with the lowest cumulative time at the end of each stage becomes the leader of the GC and wears the Yellow Jersey during the following stage.

In addition to the raw times recorded in each stage, the

Tour de France also includes time bonuses that can affect the GC.

These bonuses are awarded to the first few riders to cross the finish line in certain stages and sometimes at intermediate sprints within stages.

Typically, time bonuses are awarded to the first three riders to cross the finish line in designated stages. For example, the first rider might receive a 10-second bonus, the second rider 6 seconds, and the third rider 4 seconds. These bonuses are subtracted from the rider’s cumulative time, which can make a significant difference in close races. For instance, if two riders are closely matched in cumulative time, these bonuses can tilt the balance in favor of the rider who consistently finishes near the front.