[2] Hrebeniuk started his international career when he competed at the 2018 Junior World Championships in Kandersteg, Switzerland, where he was 50th in the NH/10 km competition.

[3] At the 2023 Winter World University Games, Hrebeniuk finished 6th in the normal hill/10 km and 6th in the mass start 10 km/normal hill.

On 17 January, he won a bronze medal in the team sprint event with Dmytro Mazurchuk, which was the first-ever medal for Ukraine in this sport at the Winter Universiades.

He represented Lviv State University of Physical Culture.

[4] This biographical article relating to winter sports in Ukraine is a stub.