Clarke A. The World's Toughest Races: From the Most Extreme to the Downright Weird

Summersdale Publishers Ltd., 2015. — 241 p. — ISBN: 978-1849537308 (paperback), eISBN 978-1783726202.What do fierljeppen, running 156 miles in the Sahara desert and coal-carrying all have in common? They’re just some of the wackiest, toughest and most extreme manpower races and challenges dreamt up by the human race.
This fact-packed miscellany is bursting with all the details, statistics and anecdotes of the world’s most unusual competitions (ever heard of bog snorkelling?) and intense endurance contests. Whether you’re an armchair thrill seeker or you’re wild enough to have an adventure or two under your belt, this book will entertain and inspire.