Last night once again I ran the furthest I've ever run, ever – this time 10 miles, the first time in double figures. It was my hardest run for a very long time – I could really feel soreness setting in towards the end, and today my legs are pretty stiff. I need to avoid going too far too soon – I increased my mileage by nearly 50% this week, which is almost certainly too much.

Also I noticed that towards the end of the run, I was craving food rather than drink (having got through a pint of water during the run). Looks like I’m getting to the stage where my endurance is being put to the test.

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