May 3, 2013
Runners who dread slowing down can get faster even as they get older. Dee Nelson, in blue T-shirt at left, competes in a 5K race in Potomac, Md., in April.
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It’s inevitable: As you get older, you slow down. A 40-year-old runs more slowly than a 20-year-old. A 70-year-old can’t be expected to keep up with a 50-year-old on a bike or a hike. It’s only natural.