In addition to Otta IL, 43 other teams played in Girls 15 - born 2003 - 11 aside. They were divided into 11 different groups, whereof Otta IL could be found in Group 4 together with Nore Neset/Os 1, Oppegård IL and Nordre Fjell Fotball.

Otta IL continued to Playoff A after reaching 2:nd place in Group 4. In the playoff they made it to 1/16 Final, but lost it against Vindafjord IL-fotball with 0-3. In the Final, Stabæk Fotball won over Nore Neset/Os 1 and became the winner of Playoff A in Girls 15 - born 2003 - 11 aside.