The phrase signifies a resource considered superior for preparing individuals for a 26.2-mile race. Such a resource typically encompasses detailed training plans, nutritional advice, injury prevention strategies, and mental preparation techniques. For instance, a highly rated guide may offer customizable schedules tailored to different experience levels and target completion times.
Selecting a suitable guide is crucial for both novice and experienced runners. A comprehensive and well-structured training plan can significantly enhance performance, minimize the risk of injury, and contribute to a more positive race experience. Throughout history, runners have sought guidance from experts to optimize their training, and published resources have played a vital role in disseminating knowledge and evolving training methodologies.