Maydanova won a bronze medal in the medley relay at the 1999 World Youth Championships.[3] In the 4 x 100 metres relay she competed at the 2004 Olympic Games without reaching the final.[4]
Her personal best times are 7.48 seconds in the 60 metres (indoor), achieved in March 2001 in Gomel; 11.37 seconds in the 100 metres, achieved in June 2004 in Kyiv and 22.70 seconds in the 200 metres, achieved in June 2003 in Velenje.[2] She co-holds the Ukrainian record in the 4 x 100 metres relay.