Izotov made his debut in the Russian national team at the 2007 European Youth Olympic Festival in Belgrade, Serbia, where he won four gold medals – 100 m, 200 m, 400 m freestyle and 4×100 mixed relay.

Izotov won a silver medal at the 2008 Olympic Games in Beijing in the 4 × 200 m freestyle relay together with Alexander Sukhorukov, Yevgeny Lagunov and Nikita Lobintsev.

[1] In 2009, he set a world record in the 4 × 100 m medley in short swimming pools of 3:19.16 in St.

[1] At the 2012 London Olympics, Izotov along with teammates (Andrey Grechin, Nikita Lobintsev, Vladimir Morozov) won Russia the bronze medal in the men's 4 × 100 m freestyle.

[1] Izotov is a student of the Institute of Physical Culture Archived 5 September 2016 at the Wayback Machine, Ural State Pedagogical University (USPU) Yekaterinburg.