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Running 100 Miles When Giving Up is Not an Option

After years of racing 100-mile distances despite Type 1 diabetes, Marcus Kjellberg turns to the lessons of ultrarunning to overcome his wife’s cancer diagnosis.

Running 100 Miles When Giving Up is Not an Option
Marcus Kjellberg, 53, is an experienced ultrarunner who takes on 100 mile events throughout Europe despite his Type 1 Diabetes.

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