On 3 February 2013, Thiam broke the junior indoor world record in the pentathlon at a meeting in Ghent with a total of 4558 points, breaking her personal best on 4 of the 5 events.
February 2013, Thiam broke the junior indoor world record in the pentathlon at a meeting in Ghent with a total of 4558 points. This was on 3. February 2013, Thiam was breaking her personal best on 4 of the 5 events. This was on 3.