Natsagnyam represented her nation at international competitions. As a junior she participated at the 2002 World Junior Speed Skating Championships in Italy. At elite level she competed at the 1990 Asian Winter Games in the 500 metres event (finishing 13th), 1000 metres event (finishing 15th) and 1500 metres event (finishing 13th). She improved during the 500 metres event the Mongolian speed skating record in the 500 metres classification. She also competed at other international competitions, including in Collalbo, Italy. At national championships she finished fourth at the 2000 senior Mongolian Allround Championships, while being a junior. She became national champion at the 2006 Mongolian Sprint Championships and won the silver medal at the 2006 Mongolian Allround Championships.