 Gommers competed for The Netherlands in the 1968 Olympics held in Mexico City, Mexico in the 800 metres, where she won the bronze medal.On 14 June 1969 she also broke Smith's world record on the mile in an event in Leicester.At the 1969 European Championships in Athletics in Athens on 20 September 1969, she ran below Paola Pigni's new 1500 m record, but was beaten to the finish by Jaroslava Jehlickova.