• Grimy@lemmy.world
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    14 hours ago

    an average of 54 miles each day

    It also mention she ran 17 jours a day. I can’t imagine the kind of energy it takes to keep that pace going for 40 days. Absolutely insane.

    • billwashere@lemmy.world
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      47 minutes ago

      That’s like 3mph for 17 hours. Jesus…. That’s a lot of wheaties… by my back of the napkin calculations that’s burning like 4200 calories a day.

    • someguy3@lemmy.world
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      14 hours ago

      The more you spread that over the day the better. Higher intensity will kill you, you want lower intensity.

        • someguy3@lemmy.world
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          44 minutes ago

          The amount of work done and intensity (the rate at which work is done) are two different measurements.

        • lennybird@lemmy.world
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          13 hours ago

          Both of you are kind of right. It’s still an insane feat of endurance but averaging an 18 minute mile is pretty damn slow and likely zone 2-3 even in rugged terrain for an athlete like her.

          High intensity isn’t just a generalized term but specific to heart rate, lactate buildup, and anaerobic states.

          • superkret
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            7 hours ago

            A friend of mine regularly runs trail ultra-marathons. She calls it “assisted hiking”.