Olga Markova (runner) explained

Olga Markova (Russian: Ольга Маркова; born August 6, 1968) is a retired long-distance runner from Russia, who set the world's best year performance in 1992, when she won the Boston Marathon, clocking 2:23:43. In 1993, she defended her victory in Boston in 2:25:27.

Achievements

Representing
1990Washington, D.C.1stMarathon2:37:00
1992Boston, United States1stMarathon2:23:43
1993Boston, United States1stMarathon2:25:27

References