In addition to Innstrandens IL, 110 other teams from 12 different countries played in Girls 15. They were divided into 27 different groups, whereof Innstrandens IL could be found in Group 12 together with Kullabygdens DFF, Tyresö FF and Skiljebo SK. Innstrandens IL continued to Slutspel B after reaching 3:rd place in Group 12. In the playoff they made it to 1/4 Final, but lost it against Skara FC with 0-1. In the Final, Kristianstad DFF won over Skara FC and became the winner of Slutspel B in Girls 15.