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RE: Just ran Berlin, 10 minutes slower than PR. Please help with a post-mortem
Each body is different. You’ll have some people that thrive on the Handon’s Plan (which emphasizes a constant grind and lower end plans top out at a 16 mile long run on a 60+ mile week). But the reality is, many folks need to at least have some experience with solid long mileage. It’s very difficult to replicate the way the body breaks down at higher mileage for a long single run, the body needs a stimulus in order to have the physiological response.

Likely, your culprit is 1 and 3. 2 is only a factor if you didn’t drink the day before. But poor sleep and jet leg are awful and can have a significant physical impact.

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