At Bangor, Sydney Martin registered a game-high 17 points, including 16 in the second half, to lead BC to the victory.
Maggie McDonald posted 13 points for the Patriots, while Kaylin Pellegrini had 6, Gabby Melcher 3 and Kate Jones and Caitlyn Wallinga 2 each.
Morgan Livezey led Katahdin of Stacyville with 12 points, and Megan Merry had 8. Other scorers for the Cougars were Delany Fitzpatrick with 4 and Ashley Randall, Molly Cunningham and Makayla Patterson had 2 each.
Katahdin 4 15 21 30
BC 10 15 29 41
3-pt. goals: Merry 2