In addition to Korsvoll IL, 117 other teams from 6 different countries played in Boys 16 - born 2003 - 11 aside. They were divided into 29 different groups, whereof Korsvoll IL could be found in Group 8 together with Rival, SK, Sotra Sportsklubb 1 and Elverum Fotball 2.

Korsvoll IL made it to Playoff B after reaching 3:rd place in Group 8. Once in the playoff they won every match inluding the Final against Mosjøen IL 1, which they won with 2-0. Thereby Korsvoll IL won the entire Playoff B in Boys 16 - born 2003 - 11 aside during Norway Cup 2019.

Korsvoll IL also participated in Boys 15 - born 2003- 11 aside during Norway Cup 2018. They reached the 1/16 Final in B15 Playoff B, but lost it against Stord Fotball G15 with 1-5.