In track cycling, he is third behind Harrie Lavreysen (20) and Sir Chris Hoy (17) in the number of global gold medals in his palmares.

In October the following year, at the age of 23, Tournant became the first man to go under the one-minute mark, breaking his own world record with a new time of 58.875 seconds set at La Paz, Bolivia.

At the 2004 Summer Olympics in Athens, Tournant won a silver medal in the kilo, and a bronze in the team sprint.

Tournant refused to speak at a post-race press conference at the Olympics, until Stephane Mandard, a journalist for Le Monde newspaper, and an anti-doping campaigner, left the room.

[3] Tournant was a member of the team sprint squad (with Grégory Baugé, Kévin Sireau and Mickaël Bourgain) which won a silver medal at the 2008 Summer Olympics.