Viktor Melantev had the following podium finishes at the Flatwater World Championships: 1st 2009 C1 4×200 m (with Ivan Shtyl and the non-Olympians Yevgeny Ignatov and Nikolay Lipkin), 1st 2011 C1 4×200 m (with Ivan Shtyl, Aleksey Korovashkov, and the non-Olympian Yevgeny Ignatov), 1st 2013 C2 500 m (with Ivan Shtyl), 1st 2013 C1 4×200 m (with Ivan Shtyl and the non-Olympians Andrey Kraitor and Andrey Ganin), 1st 2014 C4 1000 m (with Ilya Pervukhin and the non-Olympians Rasul Ishmukhamedov and Kirill Shamshurin), 2nd 2009 C4 200 m (with Sergey Ulegin, Aleksandr Kostoglod, and the non-Olympian Nikolay Lipkin), 2nd 2011 C2 200 m (with the non-Olympian Nikolay Lipkin), 2nd 2013 C2 1000 m (with Ilya Pervukhin), 3rd 2009 C2 1000 m (with the non-Olympian Nikolay Lipkin).