Evan Bilodeau scored three times and Travis Donovan scored twice as the Ramblers (6-5-3) beat the Falcons (1-10-1) in Rumford.
Keenan Libby, Graham Hurt and Travis Donovan each had an assist for Winthrop, which benefitted from two own goals. Giannia Haefele had four saves.
Jack Glover and Ryder Merrill scored for Mountain Valley. Walker Flagg and Dexter Rice both had an assist, and Gabe Hall had nine saves.