>Running 101>sore legs while running
42,500 Miles Later
Well, I think the 30% rule is difficult to adhere to when you're doing some of your longest runs in preparation for a marathon. Last week I did a 21-mile long run in a 53 mile week which is, obviously, more than 30%...But to stay within the 30% range, I would have had to run about 70 miles that week--something I don't see myself doing anytime soon!
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