When should your marathon plan change?

A missed run is not training debt that must always be repaid. Moving a workout can alter recovery time, stack hard sessions together and change the purpose of the week. The better decision depends on what you have already completed and what is scheduled next. Missing...

Usually, one unusually good or bad run should be treated as information, not a verdict on your training. Day-to-day performance varies. A sensible adaptive plan looks for the wider pattern before making a meaningful change, especially when a single session conflicts...