Vote For The Toughest Footrace On The Planet Which one is the toughest footrace on the planet? Vote now! Ultra Trail Du Mont BlancMarathon des SablesJungle UltraWestern States Endurance RunGrand to GrandThe BarkleysDragon's Back RaceHardrock Endurance RunLeadville Trail 100 Run6633 UltraBadwater UltramarathonLa UltraVote to see resultsVote Some really tough race is missing here? Let us know!