The race to be the first person to cross Wales in a completely straight line reaches it's climax with what I am desperately hoping will be the final chapter in this epic 4 year story. You re-join me half way through day 3 where having just beaten two farms, I'm looking to make it to Camp 3A before dark, where I will launch my final one day offensive to the coast. What lay ahead of me however was some of the steepest and most challenging terrain I'd ever endured, and beyond that, a chain of farmers fields that led right up to the coast. Can my tired legs get through it all unscathed and without leaving the gold zone?