In 2016 Season, Mazur started her competitions at the 2016 Valentine Cup in Tartu, Estonia where she won silver in hoop, ball and bronze in ribbon. On February 26–28, Mazur then competed at the 2016 Espoo World Cup finishing 14th in the all-around. On March 17–20, Mazur then competed at the 2016 Lisboa World Cup where she finished 11th in the all-around and qualified to ball final. At the 30th Thiais Grand Prix event in Paris, she finished 13th in the all-around. On April 1–3, she competed at the 2016 Pesaro World Cup where she finished 16th in the all-around. On May 6–8, Mazur competed at the Brno Grand Prix where she finished 10th in the all-around. On May 27–29, Mazur then finished 14th in the all-around at the 2016 Sofia World Cup. On June 3–5, Mazur finished 13th in the all-around at the 2016 Guadalajara World Cup with a total of 69.550 points. On June 17–19, Mazur then competed at the 2016 European Championships where she finished in 16th place. On July 1–3, Mazur competed at the 2016 Berlin World Cup finishing 10th in the all-around. On September 9–11, Mazur together with teammates Ganna Rizatdinova and junior Olena Diachenko represented team Deriugina school at the annual 2016 Aeon Cup in Tokyo, where they won the team bronze and with Mazur finishing 14th in the all-around.