Career
She competed for both Belarus and Russia. In 1992, Biktagirova set a course record at the Los Angeles Marathon in a time of 2:26:23. Biktagirova set her personal best in 1997, clocking 2:24:46.
Biktagirova competed in three Olympic games under three different flags.
She finished fourth in the marathon at the 1992 Olympics, competing for the Unified Olympic team After the race, she tested positive for norephedrine and became the first Olympic marathoner disqualified for failing a drug test.
Biktagirova competed in the marathon at the 1996 Summer Olympics for Belarus, a race in which she did not finish. She ran the marathon for Russia at the 2000 Summer Olympics, finishing in 5th place.