Blandine was born at Strasbourg in 1965. She distinguished herself at the 1999 IAAF World Cross Country Championships by winning the world team title in Belfast, along with Yamna Oubouhou-Belkacem, and . She also won the bronze medal for team cross country at the 2000 IAAF World Cross Country Championships, alongside Fatima Maama-Yvelain, Yamna Oubouhou-Belkacem and .