Their journey to the top started with routing Timmins 6-0 on Thursday.
In a close game, the Petes edged out the same Kitchener team 2-1 in overtime followed by a 5-0 win over Cambridge.
On Saturday, the Petes knocked off the Buffalo Regals 5-2 to advance to the quarterfinals.
They faced off against Burlington and shut them out 4-0.
The Petes got the Grey Bruce Highlanders in the semifinals and posted another shutout, winning 1-0 over Grey Bruce on Sunday morning.
With little rest, the Petes capped off their undefeated tournament with a win over Kitchener, earning their fifth shutout of BP Icefest.
Goaltenders Landen White and Matty Colling were outstanding all weekend.
Rostered players were Prestin Allen, Blake Brioux, Tyson Hawley, Taymon Browne, Liam Williams, Kotter Grove, Reid Cameron, Lucas McIntyre, Cole Roberts, Cooper Poskin, Hannu Packalen, Colton Adams, Kalum Phillips, Gage Cooper-Bailey, Joe Gusso, Taytem Adams. Landen White and Matty Colling were the goalie tandem that helped Peterborough with five combined shutouts.
Head coach Joe Hawley led the team which was backed by assistant coaches Rob Baker, Dan Robertson, Brock Davis and Kevin Sparling. Trainer Lynn Todd and manager Ben Adams were also part of the winning Petes team.