Amalie Iuel was born in Denmark to a Danish mother and a Danish-Norwegian father; the family moved to Norway when she was two years old, and she spent most of her childhood there.

[2][3] The Iuels left Norway when Amalie was twelve due to the demands of her father's job with Telenor; they first moved to Namibia, and later Pakistan, the United Arab Emirates and Thailand.

[2] Iuel took up track and field as a young girl in Norway, but did not pursue it seriously before her time in Thailand at the International School Bangkok (ISB); her coach there, Ugo Costessi, introduced her to the 400 metres hurdles.

[2][3] After high school, she moved to the United States and became a student athlete at the University of Southern California (USC).

[10] In 2019, she represented Norway at the 2019 Summer Universiade in Naples, Italy and she won the bronze medal in the women's 400 metres hurdles event.