What kind of diet is good for endurance athletes? RD Natalie Allen offers some guidance. May 8, 2019 by University CommunicationsIf you’re an endurance athlete, such as a triathlete or long-distance runner, you must eat right to get through your workouts and stay healthy. So, what’s the best diet to follow? Natalie Allen, a registered dietitian and clinical instructor of biomedical sciences at Missouri State University, shares some helpful pointers with Aaptiv.