A sports dietician would recommend a quantity of carbs calculated on a per hour basis to suit your particular requirements. For any athlete the benefits of discussing these requirements with a sports dietician cannot be overstated as the metabolic processes activated by different forms of exercise have quite complicated interactions.
There is no ‘one size fits all’ for sporting activity for a diabetic athlete dependent on insulin.
- the variety of differnt insulin regimes,
- the timing of insulin injections relative to the exercise
- the necessity to avoid hypoglycaemia during and after exercise.
However, the fact that so many accomplished athletes with diabetes excel at their chosen sport is in part a testament to the science and current understanding generated by experts in sports nutrition.