Saw it at Cineworld last year. I'd forgotten how good it was on the big screen. Almost a social history documentry, so evocative of those times.
No. The event is listed as 1pm to 3:30pm with the film starting at 1:30. IMDB lists the film as 1h51 which works out about right.
Attended St Helens where it was filmed - we all did the Billy trick in those showers - apart from climbing over the ledge