Valentina Meredowa gained her first experience in international championships at the Asian Championships 2009 in Guangzhou , where she was eliminated over 100 and 200 meters in the preliminary round, as well as at the Asian Games in 2010 in Guangzhou and the Asian Championships in 2011 in Kobe . In 2013 she was registered in both disciplines for the Asian Championships in Pune , but did not take part in either competition. At the World Championships in Moscow she was disqualified in the first round of the 200-meter run. In 2016 she took part in the Olympic Games in Rio de Janeiro and was eliminated there with 25.45 s over 200 meters in the first round . 2017 she took over 100 meters at the world championships in London in part, also retired there but with 12.27 s in advance of. At the beginning of September she was eliminated from the Asian Indoor & Martial Arts Games in Ashgabat over 60 meters in the preliminary run and won the bronze medal with the Turkmen 4 x 400 meter relay.