If a Section/Region has less than three teams in their local competition, they will be expected to send their team(s) to join the competition of an adjacent Section/Region. The winning team of the combined Section or Region competition will represent the combined Section or Region in the final competition.

Per these IBA rules, the Canada Region, and the Rocky Mountain and Pacific sections were combined in the 2021 IBA semifinal competition.

Advancing to the Global Finals is the Colorado School of Mines.