Aleksandrs Avdejevs had the following podium finishes at the Flatwater World Championships: 1st 1977 K4 10000 m (with Vladimir Morozov, Aleksandr Shaparenko, and the non-Olympian Sergey Nikolsky), 1st 1978 K4 10000 m (with Vladimir Morozov, Aleksandr Shaparenko, and the non-Olympian Sergey Nikolsky), 1st 1979 K4 10000 m (with Sergey Nagorny, Aleksandr Shaparenko, and the non-Olympian Sergey Nikolsky), 1st 1983 K4 10000 m (with the non-Olympians Nikolay Astapkovich, Nikolay Baranov, and Aleksandr Yermilov), 2nd 1977 K4 1000 m (with Vladimir Morozov, Aleksandr Shaparenko, and the non-Olympian Sergey Nikolsky), 3rd 1979 K4 1000 m (with Aleksandr Shaparenko and the non-Olympians Sergey Nikolsky and Jonas Zautra).