In addition to the two FK Lillehammer teams, 206 other teams from 37 different countries played in Boys 15. They were divided into 52 different groups, whereof FK Lillehammer 2 could be found in Group 18 together with Siam Youth FC, IFK Lidingö FK and FC Linköping City. FK Lillehammer 2 continued to Play off B after reaching 4:th place in Group 18. In the playoff they made it to 1/64 Final, but lost it against Gunnilse IS with 1-12. In the Final, Brazilian FC won over Runar, IL and became the winner of Play off B in Boys 15. FK Lillehammer also participated in Boys 14 during Gothia Cup 2013. They reached the 1/16 Final in B14 Play off A, but lost it against Montrouge FC 92 with 0-2.