In addition to Lerums IS, 39 other teams from 7 different countries played in Girls 13. They were divided into 10 different groups, whereof Lerums IS could be found in Group 6 together with Kullabygdens DFF, Blau-Weiß 96 Schenefeld and Järna SK. Lerums IS continued to Play off A after reaching 1:st place in Group 6. In the playoff they made it to 1/8 Final, but lost it against Järla IF with 1-4. In the Final, IF Brommapojkarna won over Boo FF and became the winner of Play off A in Girls 13. Lerums IS also participated in Girls 12 during Gothia Cup 2012. They reached the 1/8 Final in G12 Slutspel A, but lost it against AIK FF 2 with 0-9.