In addition to Lille Tøyen FK, 73 other teams played in Boys 15 - born 2004- 11 aside . They were divided into 18 different groups, whereof Lille Tøyen FK could be found in Group 17 together with Elverum Fotball Hvit, Byåsen IL 1 and Førde IL.

Lille Tøyen FK continued to Playoff B after reaching 4:th place in Group 17. In the playoff they made it to 1/16 Final, but lost it against Blindheim IL with 1-6. In the Final, Rælingen RFK won over Junkeren IK and became the winner of Playoff B in Boys 15 - born 2004- 11 aside .