The science of running and aging

I wrote this article in 2009 for Running Times, and amazingly it’s still online. It’s also an evergreen topic: “The Science of Aging and Running: Why your body slows and what you can do about it.

Last spring, fresh into a new masters age group, I ran a 5K. Nothing unusual in that; I’d run spring 5Ks the year before … and the year before that … for quite a few years. The surprise was that I was 45 seconds faster than I’d been in any recent year. Age-graded, it was a massive PR.

Short course, I thought, but a couple weeks later, I did it again, then twice more. Friends were wondering about my training. “What are you doing differently?” they asked.

When I went back and looked at my training logs, the answer was surprising: I’d cut back my mileage. I’d done it simply because I was busy, but as the winter progressed, my speed workouts had responded. For masters runners, less is often more.

Aging, like injuries, is one of those things most of us prefer to deny...read more.

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