Upper Allen Township and Keystone Marker Trust, a non-profit organization, have collaborated to restore the historic Shepherdstown Keystone Marker located on the Gettysburg Pike.
Each NHL game features 60 minutes of playing time, broken down into three 20-minute periods. The league also mandates a 17-minute intermission after the first and second periods to flood and ice and provide the players with a rest period.
Rating Newest Oldest. Best Answer: Professional hockey games last for 3 periods that are 20 minutes long with stop time, where the clock stops when the play is blown dead by the referees whistle. They also have intermissions at the end of period 1 and period 2, which are around 15 minutes or so in length.