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Marshall Ulrich

In the summer of 2012, he and Dave Heckman completed the first-ever trek around the entire perimeter of Death Valley National Park, a total of about 425 miles covered in 16.5 days.

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Arguably most famous for his exploits in the Badwater Ultramarathon across Death Valley, Ulrich has finished the race 18 times and crossed Death Valley a record 24 times, including a 586-mile 'Badwater Quad,' covering the course four times (twice up and back), and a self-contained, unaided solo, in which he pulled all supplies (food, ice, medical) in a cart that weighed more than 200 pounds at the start.

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