Natalya Nikolayevna Antyukh (, born 26 June 1981) is a Russian sprinter who specializes in the 400 metres and 400 metres hurdles. She won the bronze medal in the 400 metres and a silver for the 4 × 400 m relay at the 2004 Summer Olympics in Athens. She is currently serving a four-year suspension from 2021 to 2025 for anti-doping rule violations. Her results from 15 July 2012 onwards had been disqualified, including her 2012 Olympic gold medal in the 400 metres hurdles. According to World Athletics, she last competed in 2016. Background Her younger brother Kirill Antyukh is a former competitive sprinter, who turned to bobsleigh, and was part of the reserve Russian squad for the 2014 Winter Olympics. Career 2004: Double Olympic medalist at 23 years old Leading up to the 2004 Summer Olympics, Antyukh achieved a personal best time of 49.85 seconds in the 400 metres at the year's Russian Championships in Tula to place second. At the 2004 Summer Olympics in Athens, Greece, she won the bronze medal in the 400 metres with a time of 49.89 seconds, which was 0.48 seconds slower than gold medalist Tonique Williams-Darling of the Bahamas. Four days later, she won the silver medal for the 4×400 m relay with a final relay time of 3:20.16. Six years later, at the 2010 European Championships in Barcelona, Spain, she won the gold medal in the 400 metre hurdles with a personal best time of 52.92 seconds. 2012: Olympic champion at 31 years old On 8 August 2012, Antyukh, then 31 years old, won the gold medal in the 400 metres hurdles at the 2012 Olympic Games in London, with a personal best time of 52.70 seconds. Three days later, she won the silver medal for the 4×400 m relay, helping finish in a time of 3 minutes, 20.23 seconds. She received the Russian Order of Honour after the Olympics for her performances. 2016: Teammate disqualified, stripped of her 2012 Olympic silver medal In 2016, Antyukh's silver medal in the 4×400 m relay from the 2012 Olympic Games was stripped, with medals reallocated to relay teams from Jamaica (silver) and Ukraine (bronze), after teammate Antonina Krivoshapka had her results from the event disqualified. In 2019, all Russians, including Antyukh, were banned by the World Anti-Doping Agency from competing in international track and field events representing Russia for a four year period. 2020–2022: