In addition to Fjellhamar, 62 other teams from 4 different countries played in Girls 15 - born 2004 - 11 aside. They were divided into 15 different groups, whereof Fjellhamar FK could be found in Group 7 together with Røa IL 2, Nord, SK - Fotball and Sotra Sportsklubb J15.

Fjellhamar FK continued to Playoff A after reaching 1:st place in Group 7. In the playoff they made it to 1/4 Final, but lost it against Stabæk Fotball with 0-1. In the Final, Stabæk Fotball won over Charlottenlund Sportsklubb CSK 1 and became the winner of Playoff A in Girls 15 - born 2004 - 11 aside.