Oleksandra Ryzhkova
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Oleksandra Ryzhkova (born 9 July 1980) is a Ukrainian sprinter who specializes in the 400 metres.
In the 4 x 400 metres relay she competed at the 2003 World Championships and the 2004 Olympic Games without reaching the final.[1][2]
Her personal best time was 51.75 seconds in the 400 metres, achieved in May 2005 in Kyiv.[3]
