At the 1992 Olympic Games in Barcelona, Van Langen won the Olympic title in the 800 m in a time of 1:55.54, a time which remained her personal best. As of 2014, the time ranks her 14th on the world all-time list. After her Olympic triumph, she was plagued by various injuries. Her best result after 1992 was a 6th place finish at the 1995 World Championships. She retired from the sport in 1998.