She is one of the ten fastest female 100 metres sprinter of all time with 10.73 seconds which is still the European record.

Arron was also the anchor runner of the French 4 × 100 relay team which upset the heavy favourites the US to win the gold medal at the 2003 World Championships in Paris.

She recovered from 3 m behind the newly crowned, 100 m 2003 World Champion, Torri Edwards, to give the home crowd at the Stade de France an unexpected joy.

[citation needed] As of September 2023, Arron is the world's ninth-fastest, female 100 metres sprinter (10.73 sec) of all time.

Besides Griffith-Joyner, only Marion Jones, Carmelita Jeter, Shelly-Ann Fraser-Pryce, Elaine Thompson-Herah, Shericka Jackson, Marie-Josée Ta Lou and Sha'Carri Richardson have run faster than Arron in the 100 metres.

[4] On 9 October 2013, Arron was awarded the Chevalier de la Légion d'honneur by French President François Hollande in the Élysée Palace.

[5] Arron has voiced her annoyance with Marion Jones, her fiercest rival during her career: "She has lied for years [...] She treated everyone as idiots.