Conquering a Cruel Continent for a Cause
Tech Soup
FEBRUARY 22, 2015
Ultramarathons are extreme running events: 250-kilometer (155-mile) foot races over five or six days in the harshest environments on Earth. David Barnard has completed six of these grueling races: The Kalahari Desert in Botswana and South Africa (its name is derived from a Tswana word meaning "the great thirst").
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