 Miyake participated in the women's -48 kg class at the 2006 World Weightlifting Championships and won the bronze medal, finishing behind Yang Lian and Wiratthaworn Aree.She snatched 80 kg and clean and jerked an additional 108 kg for a total of 188 kg, 29 kg behind winner Qiu, but as much as second placed Aree, who because of her lighter weight was ranked in a better position.At the 2008 Summer Olympics she ranked 6th in the 48 kg category.