On 31 July 2012, Lobuzov swam in the men's 4 × 200 m freestyle relay for Russia, with Evgeny Lagunov, Mikhail Polishchuk and Alexander Sukhorukov. They swam a time of 7:11.86, Lobuzov's leg was 1:48.30. They finished in fifth in the heat, and tenth overall, and therefore did not qualify for the final.