 Complete the following phrase:  After these successes Lipkin began the transition to the longer distance C-1 500m in preparation for the 2008 Summer Olympics, where there will be no 200 m races. He didnt appear at the 2006 European Senior Championships; instead he was entered for the under-23 championships in Schinias, Greece, where he won two titles, the C-1 500m and also the C-2 500m with Ilya Shtokalov. At the 