that you’ll only be able to absorb this much food and drink if you slow down to around 60-70 per cent of your VO2 max (roughly two-thirds of your race pace).So, your cycling and running pace needs to slow to permit digestion when you are feeding. This pace
. She has been involved in triathlon for 28 years and this year raced in her eighth Ironman World Championship.9. Calorie countNutrition errors can have an enormous impact on your Ironman experience. Ben Bigglestone of Vo2 Max Coaching in Portland