[2] Lucie went by chance to the Boxing Beats of Aubervilliers (Seine-Saint-Denis), the club has a solid reputation ("factory of champions").

With her new coach Saïd Bennajem, the beginnings are difficult since she loses in December 2004 against the experienced Lorna Weaver in the category of less than 57 kg.

[3] The following year, the National Technical Director Dominique Nato, detects her, and integrates her in the High Level Sportsmen pole of the INSEP, in the optics of a preparation for the Olympic Games 2008, which were to open to the female boxing.

In March 2008, she met with members of the Lagardère Foundation, who suggested that she join Sciences Po for the new program set up for high-level athletes.

[1] Selected by the CFMMA to represent France at the World MMA Championships (IMMAF) in Las Vegas, in July 2015, Lucie Bertaud took the silver medal .

[9] Within the Luxembourgish channel KOMBAT SPORT, Lucie became the first female commentator of boxing and MMA (men's fighting).

When the channel closed down, Lucie decided to move abroad and embrace again a career as a professional MMA fighter, the time to mourn her "dream job".

Then, back in France a year later, Lucie started again as a pro fighter, coach, speaker and freelance journalist.

When she returned from the 3 confinements and her adventure in Koh Lanta, Lucie was hired as a freelance journalist by L'Equipe TV, RMC SPORT and WATAA (African channel) to comment on MMA fights.