In addition to the two Øyer-Tretten teams, 26 other teams played in Gutter 15 (født 2005). They were divided into 6 different groups, whereof Øyer-Tretten IF 2 ØTI could be found in Group D together with KFUM-Kam. Oslo B, Sokna IL and Faaberg Fotball.
Øyer-Tretten IF 2 ØTI continued to Sluttspill B after reaching 3:rd place in Group D. In the playoff they made it to 1/8 Final, but lost it against Fron Fotball 2010 2 with 2-3. In the Final, Lillehammer Fotballklubb 1 won over Faaberg Fotball and became the winner of Sluttspill B in Gutter 15 (født 2005).
Øyer-Tretten IF also participated in Gutter 14 (født 2005-06) during Lillehammer-cup 2019. They reached the 1/8 Final in G14 (f 2005-06) Sluttspill A, but lost it against Moss FK 1 with 2-3.
4 games played