In addition to Tynset IF, 77 other teams from 7 different countries played in Boys 18/19 - born 1999 - 11 aside. They were divided into 20 different groups, whereof Tynset IF could be found in Group 12 together with Vestli IL, Lizzy Football Club and Vestsiden-Askøy IL.

Tynset IF continued to Playoff B after reaching 4:th place in Group 12. In the playoff they made it to 1/8 Final, but lost it against Ridabu IL 1 with 0-5. In the Final, Melhus IL won over Egge IL and became the winner of Playoff B in Boys 18/19 - born 1999 - 11 aside.

Tynset IF also participated in A - Boys 11-aside,18/19 years during Norway Cup 2017. They reached the 1/4 Final in A 18/19 Playoff B, but lost it against KIL/Hemne Fotball with 2-5.