Perhaps the toughest race is the Badwater Ultramarathon in California , a 135-mile run from the sun-baked , pitilessly hot depths of Death Valley National Park to the flanks of Mount Whitney , at 8,360 feet .
California /location/location/contains Mount Whitney
California /location/location/contains Death Valley National Park
RB DT JJS NN VBZ DT NNP NNP IN NNP , DT JJ NN IN DT JJ , RB JJ NNS IN NNP NNP NNP NNP TO DT NNS IN NNP NNP , IN CD NNS .
California
LOCATION
Mount Whitney
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California
LOCATION
Death Valley National Park
LOCATION
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