HMS, BM EQ-Bank 210 MC Which macronutrient is MOST important for a marathon runner compared to a power lifter? Protein Carbohydrates Fat Water Show Answers Only \(B\) Show Worked Solution B is correct: Marathon requires sustained glycogen stores for aerobic activity Other Options: A is incorrect: More important for anaerobic/strength C is incorrect: Secondary fuel source D is incorrect: Important but not a macronutrient