Career
Miroshina competed in two consecutive Summer Olympics, and represented two different countries: the Soviet Union (1988) and the Unified Team (1992). She was affiliated with Spartak during her career. Miroshina was the youngest participant among the 89 (49 men and 40 women) competitors from 31 countries at the Seoul Games, with 14 years and 105 days.
At the end of 1995 (or at the start of 1996), a 21-year-old Miroshina was found dead under the windows of her apartment.
The real cause of her death remains unknown.