How long should one truly train for a marathon? Is it merely a matter of weeks, or does it require months of diligent preparation? What factors should be considered in determining this timeframe—one’s current fitness level, previous running experience, and personal goals? Are there specific training plans that are universally applicable, or does each runner need a tailored approach? With so many differing opinions, how does one sift through the plethora of advice available? Is it wise to incorporate cross-training, or should the focus solely remain on distance running? Furthermore, what role does nutrition play in this elaborate equation? As the weeks approach race day, how does the body adapt, and what psychological hurdles must be overcome? In this labyrinth of training regimens, can any runner truly anticipate the nuances of their journey? So, what is the optimal duration, and how does one define readiness?