I popped down to my local hill the Wrekin.
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Started at the western end, up and over little hill, then on to Wrekin summit. A little slower than usual, I don't think it was down to the 5's but more like the extra weight I've put on recently. After reaching the top I carried on down the east side to the bottom. It's mainly stony path on that side and I could feel all the stones under foot. I must have looked a bit like an over grown fairy tip toeing down the path (lucky it was raining and there weren't many people around). After that I doubled back round the north side through the woods.
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On the way back to the truck I went on a hunt for some food for the wood burner and found a modest log to haul back.
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I was out for about an hour and a half. Towards the end of the run I was finding it hard to keep my weight off my heels as I think my calves were getting tired (confirmed the next day with stiff calves). And, the balls of my feet were a bit sore from all the small stones on the paths. But, apart from that, It seems as though my running style has changed over the winter to a more mid foot, fore foot strike and the lack of any more painful achillies problems seems to suggest, for me at least, the new style is working.
I think I will still mainly use my Mudclaws until Inov8 come out with something better. But, I will try to use the vibrams maybe once a month to continue to work on my technique. And now the weathers getting warmer, I'll do some more bare footing in the field.