Nutrition
Marathon Practice Fuel Day
A marathon practice fuel day rehearses race-morning meals, hourly carbs, and sodium on a long simulation—one variable changed per attempt.
A marathon practice fuel day is a long run or simulation where breakfast, hourly carbs, fluids, sodium, and caffeine mirror race day exactly—down to wake time and belt layout. One successful practice beats ten theoretical spreadsheets.
Note GI, pace, and mood in the log. Adjust only one variable next time.
Common questions
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How many practice fuel days do you need?
At least two successful long simulations with identical fuel before an A-race. Change only one element—gel brand, sodium, or breakfast timing—between attempts.
Related terms
Put Marathon Practice Fuel Day into practice
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