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The Hardest Endurance Races in the World
One of world's 10 toughest endurance races takes place in Donegal next week
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Registration for the World's Toughest Endurance Race is Open!
Runner Juan Fernandez during the race.The Granada-Pico Veleta international ascent is one of the toughest ultra-endurance races in the world held in Sierra Nevada. 50 kilometers from the city of Granada at
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World's Toughest Races: These Are the Hardest Races in the World
World's Toughest Races: These Are the Hardest Races in the World
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Magic in misery': the ultrarunners tackling the Spartathlon, the world's toughest race
