She is a three-time medalist, including two golds, in the women's team kumite event at the World Karate Championships.

Heurtault represented France at the 2020 Summer Olympics in Tokyo, Japan.

[2] In 2016, Heurtault won the gold medal in the women's team kumite event at the World Karate Championships held in Linz, Austria.

[3] Two years later, she also won the gold medal in the same event at the 2018 World Karate Championships held in Madrid, Spain.

[4] In 2021, Heurtault competed at the World Olympic Qualification Tournament held in Paris, France hoping to qualify for the 2020 Summer Olympics in Tokyo, Japan.