How many kJ do athletes need daily? Your ultimate guide
                                
                                
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                                    4 min read                                
                            
                                Athletes engaged in high-intensity training may require anywhere from 8,368 to over 29,288 kJ (2,000 to 7,000+ kcal) per day, according to the International Society of Sports Nutrition. Understanding exactly how many kJ do athletes need daily is not a one-size-fits-all calculation, but a personalized process vital for sustained performance and overall well-being.