Johanna Simone Pertens

In 2022 Pertens competed in the German club championship with SV Dallgow.^[2]

In 2025, with the start of a new Olympic cycle, she integrated the new Estonian senior group composed by her, Ksenja Ozigina (the only remaining gymnast from the previous group), Elys Kretelle Kukk, Nika Oborskaja, Polina Tubaleva and Kamila Grigorenko.^[3] In April the group won two gold medals at the Grand Prix in Thiais.^[4] In early May they competed at the European Cup stage in Baku, winning silver with 5 ribbons.^[5] In June, Johanna Simone and her group competed at the 2025 European Championships in Tallinn, Estonia. They took 4th place in all-around and 3 balls + 2 hoops, and finished 5th in 5 ribbons.^[6] In August, she competed at the 2025 World Championships in Rio de Janeiro, Brazil, alongside Ester Kreitsman, Ksenja Ozigina, Elys Kretelle Kukk, Polina Tubaleva and Valeria Valasevits. They were 12th in all-around and did not advance into apparatus finals.^[7]