Tom Hollins sounds like he's describing the after-effects of taking mind-altering drugs when he says: 'I was hallucinating, having déjà vu. It was night and it was misty so all you could see were the flagstones, and in every single flagstone I'd see a different face...'. In fact he was remembering the last section of the Spine, a non-stop 268-mile foot race along the Pennine Way held each January.