Viktor Timchenko is a military officer, general, and race car driver. Since 1996, he has headed the regional organization of the Society for the Defense of Ukraine, and from 2010 to 2017 he headed the All-Ukrainian organization of the Society for the Defense of Ukraine.
The Society for the Defense of Ukraine (SDU) was established on the basis of the Ukrainian branch of the DOSAAF (All-Union Voluntary Society for the Assistance of the Army, Aviation and Navy, founded in 1948) after the collapse of the USSR.
The Ukrainian branch of the DOSAAF put a lot of effort into the development of motorsports. This helped many Ukrainians become champions of the USSR and international championships. Since 2017, Viktor Tymchenko has been the general director of the Chayka circuit.