Running without shoes or with minimalist footwear
The phase of training focused on developing endurance and aerobic capacity
The initial phase of training focused on building aerobic endurance
The proportion of fat, muscle, and other tissues in the body
A state of extreme fatigue and loss of energy during a run
The number of steps a runner takes per minute
Increasing carbohydrate intake before a race to maximize glycogen stores
A macronutrient providing energy for exercise
