In 2017, On April 7–9, Minagawa competed at the 2017 Pesaro World Cup finishing 22nd in the all-around and qualified to 1 apparatus final in hoop. She then competed at the 2017 Tashkent World Cup finishing 7th in the all-around behind Katsiaryna Halkina, Minagawa qualified 2 apparatus final placing 5th in hoop and 4th in ball. On May 5–7, Minagawa competed at the 2017 Sofia World Cup finishing 18th in the all-around and qualified in apparatus finals in hoop and ball. Minagawa's next event was at the 2017 World Challenge Cup Guadalajara where she finished 6th in the all-around, she qualified in 2 apparatus finals and won bronze in hoop - her first World Cup medal and Japan's first individual World Cup medal, she finished 8th in ribbon. Minagawa competed at the quadrennial held 2017 World Games in Wrocław, Poland from July 20–30, she qualified in 2 apparatus finals finishing 6th in hoop and 5th in ribbon. On August 11–13, Minagawa competed at the 2017 Kazan World Challenge Cup finishing 7th in the all-around, she qualified in 2 apparatus finals and finished 4th in ball, 6th in hoop. On August 30, Minagawa won a bronze medal in hoop at the 2017 World Championships in Pesaro, becoming the first Japanese medalist in a world championship individual event in 42 years since Mitsuru Hiraguchi won a gold medal in the individual hoop final at the 1975 World Championships in Madrid, Spain. Minagawa finished 5th in the all-around final equaling Yoko Morino who also finished 5th in all-around at the 1975 Worlds, although the competition was not attended by rhythmic powerhouses Bulgaria, East Germany, and the Soviet Union.