In addition to FC Gamle Oslo, 20 other teams played in 13-15 september Jenter 13 Elite (FØDT 2011) 9er . They were divided into 5 different groups, whereof FC Gamle Oslo could be found in Group C together with Junior Lions FC, Stabæk Fotball and Hønefoss BK.

FC Gamle Oslo continued to Slutspill B after reaching 2:nd place in Group C. In the playoff they made it to Semi final, but lost it against Lommedalens IL Lommedalen IL 1 with 0-4. In the Final, Lommedalens IL Lommedalen IL 1 won over Frogner IL and became the winner of Slutspill B in 13-15 september Jenter 13 Elite (FØDT 2011) 9er .