General guidelines
Focus less on the quantity of food and more on the quality of your food choices. High-quality foods are natural, unprocessed food types that humans have been eating for centuries. In the 80/20 classification system, there are six food types: vegetables; fruit; nuts, seeds and healthy oils; whole grains; dairy; and unprocessed meat and seafood. Tick these off every day. Look to avoid refined grains, sweets, processed meat and fried foods. Another quantity pointer: reduce carb intake on rest days.
During
Shorter sessions, whether they’re swim, bike or run, or high or low intensity, don’t require any extra fuelling. Your glycogen levels are sufficient to fuel your working muscles. That said, sip on a bottle, whether it’s water or electrolytes. When it comes to sessions over an hour,…