In addition to Sandviken, IL, 62 other teams from 4 different countries played in Girls 15 - born 2004 - 11 aside. They were divided into 15 different groups, whereof Sandviken, IL could be found in Group 5 together with TSC Wellingsbüttel von 1937 e. V.“ Wellingsbüttel, Hånes IF and Skarp, IF.

Sandviken, IL continued to Playoff B after reaching 3:rd place in Group 5. In the playoff they made it to 1/4 Final, but lost it against Strindheim IL J15 with 1-3. In the Final, Strindheim IL J15 won over SK Vedavåg Karmøy and became the winner of Playoff B in Girls 15 - born 2004 - 11 aside.

Sandviken, IL also participated in Girls 14 - born 2004 - 7 aside during Norway Cup 2018. They reached the 1/16 Final in V Playoff B, but lost it against Kviteseid IL with 1-3.