Leading up to the Standard Chartered Singapore Marathon 2015, some of you may be starting on your carbo-loading or want to start on carbo-loading. But carbo-loading is not simply just consuming carbohydrates or increasing your carbohydrates intake — there is science behind it and the proper way to do it.

Carbo-loading is meant to store extra glycogen that your muscles can tap into once the normal stores are used up. That being said, our muscles are depleted of glycogen only after 90 minutes of endurance exercise, which means that carbo-loading is more suited for marathons and not your usual 5k or 10k runs.

Check out the infographic below to understand more about carbo-loading:

Carbo loading