Thirty years ago today, when I was 28½, I recorded my resting heart rate. It was 64. I've been recording it every other week since, with no letup. As of today, my average resting heart rate for the past 30 years is 50.25 (in 764 readings). The lowest I've seen is 42 (on nine occasions, most recently two years ago). It was 45 this morning. I consider the resting heart rate the best indicator of fitness. I've been bicycling since August 1981 (more than 34 years ago) and was a competitive runner from 1996 to about 2013. (I completed 11 marathons, winning a medal in one of them.) I may go back to running some day, but right now I'm devoted to cycling. I ride at least 102 miles per week, all year 'round. My heart thanks me for it. Are you being good to your heart? Remember: It's a muscle. It needs regular, vigorous workouts.
Health
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