The primary foundation of any sports is food intake. You can be one of the best athletes in the world but your final output depends on the nutrients in your body. Just like following a training regime is significant, your diet plan should work in a similar way. So, by the time the final day of the marathon arrives, your body is familiar with its energy consumption routine.

Dr Santosh Kumar Dora, Senior Cardiologist, Asian Heart Institute recommends a Training Nutrition Trilogy: a three-step plan to a healthy marathon diet to improve your performance on the day of the marathon.