In 1948 she competed at the Olympic Games, winning a silver medal in the team competition. At the 1952 Olympic Games, Gulyás-Köteles won a silver medal with the Hungarian team. At her third Olympic Games, she won a gold medal in the team portable apparatus, as well as a silver in the team final.
Gulyás-Köteles died in June 2019 in Budapest at the age of 94.[2]