Date of Birth: 
About Marina Stepanova
- Marina Ivanovna Stepanova (née Makeyeva (Russian: ?????? ???????? ?????????-???????) born May 1, 1950) is a Russian former athlete who competed for the Soviet Union in the 400 metres hurdles, and became the first woman to run under 53 seconds for the event, when she ran 52.94 secs in 1986.
Read more at Wikipedia