What Race Is The Hardest?
What Race Is The Hardest? 1. Marathon des Sables What is the most difficult running race in the world? ULTRA-TRAIL DU MONT-BLANC. Chamonix, France. … MOAB 240. Moab, Utah. … THE 6633 ULTRA. Yukon Territory, Canada. … BARKLEY MARATHONS. Wartburg, Tennessee. … MARATHON DES SABLES. Sahara Desert, Morocco. … WESTERN STATES. Squaw Valley, California. …