Fat diet has become a trend in the past few years. There’s talk of keto, low-carb high-fat (LCHF), and paleo diets, all different but united in the sense that they all involve avoiding carbohydrates to some extent and favoring fats. However, what about endurance sports, where traditionally carbohydrates have been emphasized as the primary nutrient? Can endurance athletes train hard without their daily pasta fix? This article delves into the benefits and drawbacks of a fat-based diet – from the perspective of an endurance athlete, of course.