Radivilov won silver medal in vault at the 2012 European Championships in Montpellier, France. He competed for the national team at the 2012 Summer Olympics in the men's artistic team all-around and the men's vault. He earned a bronze medal in the vault final at 2012 Summer Olympics with a score of 16.316. He also finished in fourth place in the team all-around final as part of the Ukrainian team along with Mykola Kuksenkov, Oleg Stepko, Vitalii Nakonechnyi and Oleg Vernyayev. Ukraine also takes pride on Radivilov being their first Olympic medalist born in the post-Soviet era.