How many grams of carbs per hour for Ironman?
                                
                                
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                                    4 min read                                
                            
                                Athletes who master their nutrition can improve their Ironman performance by as much as 10-15%, according to some sports nutritionists. A critical component of this strategy involves determining how many grams of carbs per hour for Ironman is optimal for sustained energy and minimizing GI distress.