Artem won gold medals in the 4 x 200-meter freestyle relay and the mixed team event at a distance of 4 x 100.

[4] At the short-course FINA World Cup in 2011 in Moscow, Lobuzov competed and set personal bests in two events.

A day later, in the 200m Freestyle, Lobuzov reached the final, where he swam a time of 1:46:69[9] to finish in 6th place, with Biedermann winning again.

He swan in heat 6 against Brett Fraser (Cayman Island), Matthew Stanley (New Zealand), Thomas Fraser-Holmes (Australia), Sebastiaan Verschuren (Netherlands), Park Tae-Hwan (South Korea) and Yannick Agnel (France).

[10] 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.

[11] At the 2013 World Championships, Lobuzov won his first international medal, winning silver as part of the Russian 4 × 200 m freestyle team.