Marshwood's John Valentine tries to stretch the ball into the end zone for a winning 2-point conversion, but he was ruled down just short of the goal line, enabling Thornton Academy to escape with a 28-27 victory.

Receiver Cullen Casey is upended by Thornton Academy defensive back Colby Bolduc. Cullen had 11 receptions for 147 yards.

Thornton Academy players celebrate after stopping Marshwood at the goal line on a late 2-point conversion attempt, securing a 28-27 win.

Thornton Academy wide receiver Hayden Pomerleau is congratulated by teammates after scoring the go-ahead touchdown on a 75-yard run.

Thornton Academy defensive back Sam Edborg tries, unsuccessfully, to defend Marshwood Aiden Sullivan on a two-point conversion attempt in the third quarter.

Marshwood wide receiver Cullen Casey has his reception broken up by Thornton Academy defensive back Jackson Cochrane, as Marshwood team members react on the sidelines, during the third quarter.

Marshwood running back Justin Bryant is stopped short of the goal line by Thornton Academy defenders, including tackle Tanner Lynn.

Thornton Academy wide receiver Peyton Jones (23) and teammates celebrate touchdown in the closing seconds of the first half.

Players on the Marshwood sideline cheer as quarterback Aiden Sullivan races down the field for a long gain, with Thornton Academy defensive back Jackson Cocrane in pursuit.

Marshwood running back Justin Bryant bulls into the end zone for his team’s first touchdown in the first quarter.

Thornton Academy wide receiver Payton Jones celebrates as he enters the end zone with seven seconds left in the first half.

Pursued by Marshwood defenders, Thornton Academy wide receiver Hayden Pomerleau runs for a long gain.