The emotional impact of sugar as running fuel

Do you ever feel yourself hitting an energy wall just over an hour into an exercise session? Running experts advise taking onboard some kind of fuel if you’re going to run for over 75 minutes. I’m generally terrible at doing this, but I realise I’m going to have to experiment with some kind of running fuel before the London Marathon. When I ran the Ultra Marathon, I was happy eating things like wraps and chocolate bars because it was such a long, slow run. But a marathon is different. So last time I went for a run, I needed to…

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