Perhaps the most important thing for those of us who run, for example, to know is just how big a role nutrition plays in race prep. For KJT, it’s so important that she’s enlisted the help of a nutritionist to help get it right.

“In competition, nutrition can be the make or break of your whole schedule. For example, when I was at the World Championships in Doha, the whole schedule was an evening session and I didn’t really know what to do. Normally I’d eat breakfast then go to the competition – but in Doha, I’d eat breakfast and then have about seven hours before I’d have to do anything.” Because of that, she says it’s really important to have a nutritional plan for competitions and races.

These days, she has a plan that’s easy for her to follow – she doesn’t have to think about refuelling or worry about when she can eat.” I just go through that with the nutritionist ahead of whatever schedule I’m on.”

For us amateurs, it’s worth getting into a routine that you’re able to stick with. That might mean, for example, getting used to eating an early carb-heavy breakfast two hours before going for a long run, or trying an intermittent fasting routine that sees you eating at the same time every day and planning your workouts around that.

Nutrition for runners: How Katarina Johnson-Thompson fuels for rest and success