For workouts longer than one hour, chow down on an on-the-go snack to replenish carb stores. Bananas, which are full of simple carbs and sugar, are ideal. Plus, the peel makes a banana the perfect no-mess, packaging-free snack.

Nuts for (Coco)nuts:

Coconut water rehydrates and replenishes carbs mid-run.

Pumped-Up Water:

Do we really need electrolytes while exercising? Here’s the run-down.