We know the importance of fueling well before and after our workout, but what about during—especially for endurance-focused workouts like long runs? “Fueling during long runs can improve performance and enhance recovery,” says registered dietitian and VIS Expert™ Hayden James. So, what pre- and mid-run snacks will help us run longer and stronger? We asked James and professional marathon runner and VIS League™ member Laura Thweatt for their tips. ““F...