What I Eat During a Marathon, 50K, 50-Mile, 100K, and 100-Mile Ultramarathon

"What do you eat during a race?" That's a question I get all the time, but the answer is never straight forward. In an attempt to give a basic understanding of my approach to mid-race nutrition, I share my strategy for fueling a marathon, 50K, 50-Mile, 100K, and 100-Mile ultramarathon.