In addition to Osterøy IL, 69 other teams played in Girls 15/16 - born 2002 - 7 aside. They were divided into 17 different groups, whereof Osterøy IL could be found in Group 2 together with Sokndal Idrettsklubb - fotball, Ulefoss SF and Kjelsås IL.

Osterøy IL continued to Playoff B after reaching 3:rd place in Group 2. In the playoff they made it to 1/4 Final, but lost it against Lier IL with 0-4. In the Final, Årvoll IL won over Kolbotn IL and became the winner of Playoff B in Girls 15/16 - born 2002 - 7 aside.

Osterøy IL also participated in R - Girls 11-aside, 15/16 years during Norway Cup 2017. They reached the 1/16 Final in R Playoff B, but lost it against Remyra IL with 0-5.