Vote For The Toughest Footrace On The Planet Which one is the toughest footrace on the planet? Vote now! Dragon's Back RaceLeadville Trail 100 RunGrand to GrandUltra Trail Du Mont BlancJungle UltraWestern States Endurance RunMarathon des SablesLa UltraBadwater Ultramarathon6633 UltraThe BarkleysHardrock Endurance RunVote to see resultsVote Some really tough race is missing here? Let us know!