She started her career in SLAVIA Club at the age of 7 and finished it in the famous LEVSKI Spartak.

Since the beginning of her taking up gymnastics until the very end she went consecutively under the coaching of Kostandinka Atanassova, Efrossina Angelova, Lusha Butchvarova and Neshka Robeva.

Marinova then competed at the 1990 Goodwill Games and won the silver medal in all-around.

At the 1991 World Championships she placed 3rd in All-around behind Ukrainaians Oxana Skaldina and Olexandra Tymoshenko.

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