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Biggest ever study of non-elite runners reveals marathon training secrets

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  • [the most successful amateur runners] did about 25% of their training at a moderate pace, where an athlete can speak but only in short sentences, and just 5% at high intensity, where an athlete is not able to speak in sentences and breathing becomes quite laboured.

    This differed from the so-called 80/20 training approach reported in elite runners, where 80% of running is at a low intensity and 20% is high intensity, with very little in the middle ground.

    It's an observational study, so difficult to draw causal links. But interesting nonetheless.

    • It seems like the core of this is more miles will get you in better condition, and if you slow down you can get more miles done without injury. I could put the same effort into a fast 10k or a slow 10 miles, but the slow 10 miles would give my muscles more work and also be easier to recover from.

      I've been thinking about this a lot recently. My thought process was if we go slow just to get harder workouts in, why go slow if I'm not going to do those workouts? So I started adding some random fast pace intervals to a run once a week.

      This lasted about two weeks before I started to notice excess fatigue in my hips. I realize now that by adding the faster runs when I was already at my highest ever mileage, I was doing too much. I'm taking an easy week next week and an extra rest day today. I'm not opposed to workouts or speed work, I just have a better appreciation for the stress they put on our bodies. I'll try adding it back in once I've settled in at my current mileage.

      • Yeah absolutely. Which also goes some way to explain the pros' 80% when amateurs end up more like 60%. When you're doing more total ks, the ones you add need to be easier on average, because you're already doing as many hard Ks as you can.

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