The news desk
A single report from Runner's World, dated October 8, 2026, describes one runner's account of changing her diet while training for the November 1 New York City Marathon. According to the report, she moved away from a protein-first approach after learning that marathoners need 6 to 10 grams of carbohydrates per kilogram of bodyweight daily at peak training. She describes portion-based plate ratios, carb-rich food swaps, and warning signs of low carbohydrate intake. She kept protein at 1.4 to 1.8 grams per kilogram for recovery. No other reports are available, and no conflicting figures or claims appear in the supplied coverage.
A runner training for the November 1 New York City Marathon describes shifting away from a protein-first diet after learning marathoners need 6 to 10 grams of carbs per kilogram of bodyweight daily at peak training. She outlines portion-based plate ratios, carb-rich swaps, and warning signs of low carb intake while keeping protein at 1.4 to 1.8 grams per kilogram for recovery.