After the retirement of Ekaterina Volkova, she got her spot in National team and continued competing at World Cup competitions. She competed at the 2017 European Championships in Budapest, Hungary, her first one. Rebecca competed with all four apparatus, finishing on 20th place with ribbon was her best result. Together with teammate Jouki Tikkanen and junior group, they took 11th place in Team competition. On August 30-September 3 she competed at the 2017 World Championships in Pesaro, Italy. This was her first World Championships. She finished on 45th place in All-around Qualifications (52.350).