In addition to the four Aranäs teams, 106 other teams from 14 different countries played in Girls 13. They were divided into 18 different groups, whereof HK Aranäs 1 could be found in Group 5 together with Vorup FB 3, Ajax Köpenhamn 1, H43 Lund 1, Grotta, Oppsal IF 2 and Torslanda HK 3. HK Aranäs 1 continued to B-Play-off after reaching 6:th place in Group 5. In the playoff they made it to 1/32 Final, but lost it against OV Helsingborg 2 with 6-7. In the Final, AEH Les Franqueses del Vallès won over BK Heid 1 and became the winner of B-Play-off in Girls 13. HK Aranäs also participated in Girls 12 during Partille Cup 2018. They reached the Semi final in G12 B-Play-off, but lost it against Torslanda HK 1 with 6-7.