The ongoing debate "to fast or not to fast" sparks passionate discussions within the running community, with proponents highlighting benefits like improved fat adaptation and weight loss, while opponents raise concerns about performance, health, and weight gain. Pro ultrarunner @kilianjornet has publicly discussed occasional use of fasting before easy, low-intensity runs to understand how his body adapts to running with depleted glycogen (carb) stores. Meanwhile, other elite ultrarunners, like @mountainroche attribute the “high carb revolution” as the primary catalyst for the increasing rate at which endurance running records are being broken.
So, what’s the real story behind fasted running, and is it a strategy worth considering for your training? Check out my full article at HERE.
