Not only is competition frowned upon, but the trail of chalk that this merry group of runners follow leads (albeit indirectly) to the pub. Hoorah! Once there, you will do what is professionally known as 'lube-ing', which, to the uninitiated, means drinking pints of ale. Double hoorah! Several clubs operate across London. Visit www.londonhash.org or call the Hash hotline on 020 8995 7879.