Ribault started cycling at the age of 7 at the Sannois club despite suffering from severe epilepsy, then she moved on to track cycling at the Villeneuve-la-Garenne club under the direction of Gérard Van den Abèle.
She ranked third in the French National Track Championships, in the 500 m event when she was still a junior, only beaten by Félicia Ballanger and Magali Humbert-Faure.
From 1997 to 1999, she spent two years at the Pôle France in Hyères, trained by three-time Olympic champion Daniel Morelon.
[1] In February 2016, Ribault found herself paralyzed in her left leg caused by misdiagnosed sciatica caused by a herniated disc and despite four months in a rehabilitation center, she did not regain the use of this leg.
Although her left leg was paralysed, she did not have an amputation and therefore kept two cranks when she raced.