Running as the fountain of youth: A recent study found that older athletes typically have the fitness profile of much younger people. That’s probably not a surprise for regular runners, especially if you’ve run a race against Joe Dudman(!). Or if you’ve ever checked out the age-group PRs for Canadian runner Ed Whitlock, who ran a sub-3:00 marathon in his 70s, and a sub-43 minute 10K in his 80s. The study was based on a fitness…
