He has also competed in the K-2. At the 2006 European Championships in Račice, Czech Republic, he won the K2 200 m bronze medal with partner Barak Lufan. At the 2006 ICF Canoe Sprint World Championships in Szeged, Hungary, Kolganov and Lufan finished fifth in the K-2 200 m and sixth in the K-2 500 m.