This doesn't really count as an injury, but I'm not sure where else to put it!
When running for a long time (and sometimes when just spending a full day stood up!) the soles of me feet get really painful whenever I put pressure on them. They look a bit white, but otherwise there is nothing noticably wrong. Most people I run with get a similar thing, but I seem to get it much worse and after much less running than the rest of them. I think I just need to toughen them up a bit, but wasn't sure how to go about doing this - is it just a case of getting better with more time/races, or is there another way. Any thoughts from those who've had similar problems will be much appreciated!
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