He debuted finishing 60th in Igls, Austria, which was his single race in World Cup that year.

In season 2010-11, he participated in 6 out of 9 races and achieved his personal best — 27th in Königssee.

[1][2] He also participated in doubles and relay competitions at three World Championships without any great success.

[4] At that Games he competed together with Roman Zakharkiv and finished 20th in doubles competition and 13th in team relay.

Obolonchyk graduated from Lviv State University of Physical Culture.