Jenny began shooting in 2007 and started competing in 2008.[1]
Her first major international selection was to the 2014 ISSF World Shooting Championships in Granada where she finished 5th in the Junior Women's 50m rifle prone event, and 30th in the 50m rifle 3-position event.[1]
In 2016 she was active in the ISSF Junior World Cup where she had a best individual finish of sixth in the 50m 3-position rifle event. At the second leg in Gabala, she won two gold medals as part of the Norway team in the 50m rifle prone and 50m rifle 3-position events.[2][3]
She was selected to compete at the 2016 European Championships as a junior where she won gold in the 50m rifle prone event and silver in the 50m rifle 3-position event.[4][5]
As a senior, Jenny moved into 300 metre rifle shooting.
At the 2022 Lapua European Cup, Jenny placed fourth individually in the Open 300 m standard rifle match, winning team silver.[6] The next day, she won individual silver and team gold in the women's 300 m rifle three positions match.[6]
At the 2022 World Championships in Cairo, she won gold medals in the Women's Team events for 300m rifle prone and three-position.[7]
In the 2023 World Championships in Baku, the Women's team won gold again in the 300m three-position event, and silver in the prone event.[8][9][10]
