[1] Yanis is a specialist in the women's triple jump, representing France and its overseas department of Guadeloupe in international competition.[2] David won gold in the triple jump event at the Youth Olympic Games of 2014 at Nanjing, China.With a mark of 6.48 m [4] Yanis reset the 27-year-old CARIFTA record for the women's Long Jump at the 2016 edition of the Games in St George's, Grenada.At the IAAF World U20 Championships Bydgoszcz 2016, Yanis won the gold medal in the long jump event, clearing 6.42m.[5] While at Florida, she won the Honda Sports Award as the nation's best female track and field competitor in 2019.