Summary:
The book advocates for a training approach where 80% of running is done at a low intensity and 20% at a high intensity, based on the principle that this balance improves performance and reduces injury risk. It provides runners with detailed plans and strategies to implement this method, aiming to help them run faster by training more efficiently and with less strain.
Key points:
1. 80/20 Rule: The book suggests 80% of running should be low intensity and 20% high intensity to build endurance, reduce injury risk, and improve performance.
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