The Pilgrims’ U17s, with Mark Melson in charge, secured a closing day win courtesy of Jesse Ward's 24th minute goal.
The match was played at the Impact Arena – the scene of the first team's memorable penalty shootout success on Tuesday evening.
Boston: Austin Barker, Finley Hipkin, Alex Van-Tam (Joel Smith 65), Toby Cotton, Dominic Chew, Kirill Snikeris, Kye Rook, Zac Hardy, Will Pettitt, Jesse Ward (Charles Doble 82), Rhys Smaller.