[3] At age seventeen, Parkkonen was recruited to play for IFK Helsinki (HIFK) by the team's general manager and head coach, Saara Niemi.

HIFK had gained promotion to the Naisten Liiga (NSML), the premier women's league in Finland, at the end of the previous season and Parkkonen was one of several stand-out players brought in to bolster the ranks.

[4] Parkkonen and her Catamounts teammate Natálie Mlýnková left Vermont to join the Minnesota Golden Gophers women's ice hockey program ahead of the 2024–25 season.

[5] As a junior ice hockey player with the Finnish national under-18 team, Parkkonen participated in the IIHF U18 Women's World Championships in 2017, 2018, 2019, and 2020.

[6][7] She made her debut with the senior national team at the 2022 IIHF Women's World Championship, at which she scored a goal and two assists in seven games.