He represented Russia at the 2014 Winter Olympics in Sochi. On 16 February he ran the second (classical) leg in the men's team relay, together with his teammates Dmitry Yaparov, Alexander Legkov, and Maxim Vylegzhanin, and originally won a silver medal. In December 2017, he was one of eleven Russian athletes who were banned for life from the Olympics by the International Olympic Committee, after doping offences at the 2014 Winter Olympics. Bessmertnykh's results from the 2014 Winter Olympics were annulled. On 1 February 2018, their results were restored as a result of the successful appeal.