66-year-old extreme athlete: This is his simple fitness diet

Extreme sports in retirement age? No problem, thinks the German Hubert Karl. He competes in marathons and is currently running along Route 66 in the USA. (symbol image)Aleksandar Nakic/getty images 66-year-old Hubert Karl from Lower Franconia runs along Route 66 from Chicago to Los Angeles for 66 days. The pensioner is an extreme athlete and […]

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