[3] At the age of 25, Kanuma discovered Nordic skiing (cross-country) and began competing in earnest in 2008.

[2] In 2016, Kanuma was selected as a representative for the 2016 Summer Paralympics, but before the start of the competition, she gradually lost feeling in her arm and developed peripheral nerve paralysis.

[2] However, she was told that "if she received treatment, she would no longer be able to represent Japan," so she took painkillers and participated in the Paralympics.

[4] At that Paralympics, she participated in the women's road time trial B with pilot Mai Tanaka and won a silver medal.

[2] Kanuma served as a torchbearer for the 2020 Summer Olympics, running in Tokyo on July 9, 2021.