Pre-season training methods have changed down the years but it is always hard graft for the players.
Here we trawl through the Lancashire Post archives for a look at PNE pre-seasons from the past.
Preston North End started pre-season training at Springfields today. A look at how PNE players of the past prepared for a campaign. Preston players in pre-season training in 1980 - manager Nobby Stiles joining in the workDavid Moyes leads his players on a run at Springfields in 1999PNE skipper Sean Gregan feels the pain in pre-season training in July 1999Tepi Moilanen, Sean Gregan, Rob Edwards, Colin Murdock and Brian Barry-Murphy on the run in 2001PNE physio Mick Rathbone attaches a heart monitor to goalkeeper Tepi MoilanenGraham Alexander takes a drink in 2001North End manager Craig Brown with Ricardo Fuller in 2002Paul McKenna in pre-season training in 2002, under the watchful eye of Kelham O'Hanlon.Chris Sedgwick plays the joker during a break in training in 2005Billy Davies shares a moment with Eric Skora in 2005Dickson Etuhu recovers from a training run in 2005PNE goalkeepers Chris Neal, Gavin Ward and Carlo Nash are put through their paces in 2005David Nugent keeps his cool during a training session in 2006