Krivoshapka in 2013
|Born||21 July 1987|
|Height||1.68 m (5 ft 6 in)|
|Weight||59 kg (130 lb)|
|Achievements and titles|
|Personal best(s)||49.16 (2012)|
Antonina Vladimirovna Krivoshapka (Russian: Антонина Владимировна Кривошапка; born 21 July 1987) is a Russian sprinter who specializes in the 400 metres. She competed at the 2012 Summer Olympics, where her team originally was awarded a silver medal in the 4 × 400 m relay. Krivoshapka and her team mates were later stripped of this medal after Krivoshapka tested positive for the steroid turinabol. Krivoshapka also finished sixth in the individual 400m event at the 2012 Summer Olympics,.
Hailing from Rostov-on-Don, Krivoshapka won the silver medal in the 400 m at the 2003 World Youth Championships in a time of 53.54 s, and won bronze in the Medley Relay. However, she had little success in the following years, placing only fifth in the heats of the 2004 World Junior Championships. She did not improve on her personal best in 2005 or 2006, and only competed on the national level. However, she began to steadily improve her performances in 2007 and 2008, posting seasonal bests of 52.32 s and 51.24 s respectively.
Krivoshapka's international breakthrough came in 2009, where she set a personal best of 50.55 s over 400 m indoors to win the Russian indoor championships, and subsequently won the 400 m gold medal at the 2009 European Indoor Championships. At the same championships she won a gold medal in the 4 x 400 metres relay, together with teammates Natalya Antyukh, Darya Safonova and Yelena Voynova. Later that year, during the semifinals at the Russian national championships in Cheboksary, she lowered her outdoor 400 m personal best by nearly a full second by running 49.29 s, the second fastest time in the world that year. She went on to win the national title in 49.71 s. With these strong performances, Krivoshapka was considered one of the favorites for a medal in the 400 m at the World Championships in Berlin. In the 400 m final, she won the bronze medal in 49.71 s, behind Sanya Richards and Shericka Williams. She later won another bronze medal in the 4×400 m relay, where she anchored the Russian team.
She suffered an injury in an unusual fashion in early 2010 – while doing sprint training on a track in Volgograd, a young boy walked into her path and she strained her back in the ensuing collision. She missed the 2010 IAAF World Indoor Championships as a result but had fully recovered in time for the outdoor season. Later that year, at the 2010 European Athletics Championships she claimed the 400 m bronze medal and helped the Russian women to defend their title in the relay, as well as winning a silver medal as part of the Europe 4 × 400 m relay team at the 2010 IAAF Continental Cup. In the 2013 World Athletics Championships in Moscow, she took third in the individual 400 m race, but came back to anchor the Russian team to the gold medal in the 4 × 400 m relay.
In 2016, her samples from both the 2--8 and 2012 Olympics were retested and found to contain turinabol as announced on February 1, 2017. In April she was given a two year ban which disqualified her 2012 and 2013 results.
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