[3] He also competed at the 2012 Junior European Championships where he won the silver medal on the parallel bars and finished fourth in the rings final.

[6] Çolak won the bronze medal on rings behind Matteo Morandi and Ri Se-gwang at the 2014 Osijek World Challenge Cup.

[9] Çolak won the bronze medal on the rings behind Arthur Zanetti and Eleftherios Petrounias at the 2015 Cottbus World Challenge Cup.

[11] He won the bronze medal in the rings event at the 2015 European Games in Baku, Azerbaijan, behind Eleftherios Petrounias and Nikita Ignatyev.

[12] He then represented Turkey at the 2015 Summer Universiade alongside Ahmet Önder and Ferhat Arıcan, and they finished eleventh in the team competition.

[20] He represented Turkey at the 2017 Islamic Solidarity Games and won the team gold medal alongside Ferhat Arıcan and Ahmet Önder.

[26] He also won silver medals on rings at the Osijek and the Koper World Challenge Cups behind Denis Ablyazin and Kazuyuki Takeda respectively.

[31] Then at the 2018 World Championships in Doha, he finished ninth on the rings in the qualification round, making him the first reserve for the final.

[32] Çolak competed at the 2019 European Championships and finished tenth on the rings during the qualification round, making him the first reserve for the final.

[35] At the 2019 World Artistic Gymnastics Championships held in Stuttgart, Germany, he won the gold medal in still rings with a score of 14.933.

[37][38] Çolak competed at the 2020 European Championships in Mersin alongside Ferhat Arıcan, Adem Asil, Ahmet Önder, and Ümit Şamiloğlu.

[39] Çolak then won the gold medal in the rings final with a score of 15.000 and became Turkey's first European champion in artistic gymnastics.