0By Shelley Gooch-Smith In blogPosted February 24, 2026SPINE Challenger South 108m/18,800ft 10-12/01/26The Montane Winter Spine Challenger South is described as “Britain’s Most Brutal”. Going from Edale to Hawes, it’s 108 miles (18,000 ft) over the Pennine Way in winter conditions. What an [...] READ MORE