Katya Galstyan was 25 years old at the time of the Pyeongchan Olympics and was competing in her second Olympics after she represented Armenia in the Sochi Olympics. Galstyan competed in the women's 10 kilometre freestyle event on 15 February 2018, finishing in a time of 30 minutes and 25 seconds, which put her in 72nd place out of 90 classified finishers.