She was trained by her parents, starting with her mother Gerelma Erdyniyeva.

At the 2008 Summer Olympics in Beijing Erdyniyeva finished her ranking round with a total of 647 points.

This gave her the 11th seed for the final competition bracket in which she faced Nathalie Dielen in the first round, beating the archer from Switzerland with 107-102.

She was upset in the third round of competition when she lost against 27th seed Zhang Juanjuan with 110-98.

This biographical article relating to a Russian archery figure is a stub.