Why is it important to adhere to a predetermined pace plan during a run?

Adhering to a predetermined pace plan during a run is crucial because it helps maintain consistent performance and energy levels throughout the duration of the workout. By following a set pace, a runner can manage their effort, ensuring they don’t start too fast and fatigue early, or run too slowly and miss out on the benefits of the workout. This consistency allows for optimal use of energy, which is especially important in longer runs where pacing can significantly affect overall performance.

Additionally, maintaining a steady pace enables a runner to better monitor their physical response, such as heart rate and perceived exertion, which can lead to improved training outcomes over time. By sticking to the plan, runners can effectively gauge their progress and make informed adjustments to their training regimen, ultimately enhancing their endurance and performance in races.