Hi, I was hoping for some advice regarding a problem I am experiencing at the moment. I am trying to increase my exercise tolerance up to to the level where I could take part in half marathons or charity events, but I am continually hindered by cramp in my calves. After a gentle warm up I undergo extensive stretching of both gastroc and soleus, (which I am doing correctly) but this doesn't seem to prevent the onset of cramp. My exercise regime started at low distances which I increased gradually, yet the onset of cramp begins at the same distance of 800m. Even after a cool down and more stretches the cramp remains for the day, although reduces significantly.

Is this more likely diet related? Any advice on how to proceed with muscle conditioning?

Many Thanks
Danny

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