In her home country, she won Bouldering Japan Cup nine times consecutively from 2005 to 2014, which no other Japanese athlete has been able to match.

She retired from competition climbing after competing and winning a bronze medal in the 2020 Summer Olympics.

In 2009, she won the World Cup in bouldering, over the previous year's champion Anna Stöhr.

[10] In 2019 Akiyo Noguchi won a silver medal in the combined competition at the climbing World Championship which qualified her for the 2020 Summer Olympics.

[3][4] On December 25, 2021, Noguchi and fellow Japanese sport climber Tomoa Narasaki announced their marriage on their respective social media pages.