CrossFit at Midlife (aka Embodied Dedication as We Age)

I think I have found my avenue into the sprint-interval training I read about over a year ago in Stacy Sims & Selene Yeager’s work, Roar and Next Level . Christine D’Ercole has put together ‘sprint interval training’ for the Peleton crowd–a 20 min intro, a 30 min session, and a 45-min session. The first gives you a taste of the training. The second is a bit more extensive, with possibility of engaging twice a week. The 45-min is the “once-a-week” option, with an intensity I’m feeling at the moment, even several hours later.  Last summer, having been introduced to Sims&Yeager via Annie Thorisdottir, I began to weave simple running-sprints into my weekly rhythms. Up a hill once or twice a week. 10 of them, for maybe 15-20 seconds’ burst of effort. Walk back down the hill, repeat nine more times. I don’t remember much of my body’s response to these, though I was at a good maintenance weight and saw my body composition change. [I had paired this with Barbell Club at my then Cr...