At the 2013 Mediterranean Games in Mersin, Turkey, Çolak won the silver medal, his country's first medal in the Mediterranean Games.[1] He competed at world championships, including the 2014 World Artistic Gymnastics Championships in Nanning, China.[2] He won the bronze medal in the rings event at the 2015 European Games in Baku, Azerbaijan.[3] Çolak became silver medalist in the still rings event at the 2018 European Championships in Glasgow, Scotland.[4] He captured the gold medal in the 2018 Mediterranean Games in Tarragona, Spain.[5] In the 2019 World Artistic Gymnastics Championships held in Stuttgart, Germany, he won the gold medal in still rings, the first gold and first medal for Turkey in world championships.[6][7]