🎽How Accurate Is the 42.195km Distance in a Certified Marathon Course?

After last weekend’s Score Marathon, many runners noticed their GPS watches recorded distances beyond the official 42.195 km. But why does this happen? The truth is — certified marathon courses follow a strict, standardized measurement process. Here’s what you need to know: ✅ Key Factors Behind Certified Marathon Distance Accuracy: 1. Short Course Prevention Factor […]

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