Not a running challenge, but 3 great days spent cycling from Whitehaven on the West Coast to Tynemouth on the East Coast with 50 other great blokes
140miles, 9000 feet of climbing, over 10,000 calories burned and several units of alcohol consumed. I was over the moon to make it up the 4 big climbs without having to get off the bike. Winnlatter, Hartside Pass, Gallowgill and Crawley Side all conquered. Next year looks like a ride from Edinburgh to Newcastle.