Some of the checkpoints will only be divulged when you get your map
on the day BUT, to give you an idea whereabouts it's going and a chance
to recce three of the checkpoints, here is a taster -
GR134828 - Gate near wall junction (east of Winnats Head Farm).
GR125817 - Stile on track north-east of Slitherstone Mine.
GR128835 - Small stake by embedded sleepers (path on Mam Tor cliff edge).
The whole route will be about 9 miles with 2,000 feet of ascent, or 14.5k with 610m of ascent.