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Written by coaches, not professional writers. Everything here comes from real coaching conversations, real athletes and real-world experience. Our aim is simple: to share useful, practical insights for athletes of all levels.
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Running on Borrowed Time: Is Your Marathon Pace Sustainable?
We analysed four runners targeting a 3:30 marathon. Runner D had a massive "Ferrari" engine (VO2 Max 68), while Runner A had a modest "Sedan" engine (VO2 Max 48). Conventional wisdom says Runner D wins easily. The data proves the opposite. Find out why the "fittest" athlete on paper is actually the most likely to DNF.

