Marathon Coach · Train Smarter
Race-Day Fueling Basics I Wish I’d Practiced Sooner
Marathon fueling lessons from trial and error: practice in long runs, keep race morning boring, and treat the gut as part of the training plan.
The expo is a terrible classroom
I used to invent race-day nutrition from booth samples and optimism. Training is where fueling belongs. If your stomach has never seen that gel at marathon effort, race day is a poor first date.
Practice early, practice often, and keep notes on what actually stayed down.
Boring is a performance advantage
Race morning food should be familiar, timed like your long-run mornings, and free of “maybe this will be magic.” Caffeine, if you use it, should be a trained habit — not a surprise double shot because the start line is cold.
Hydration is personal and weather-dependent. The useful rule is rehearsal: know your pattern before the gun, not after mile eighteen.
During the race, stick to the script
I set reminders that match what I practiced — not what adrenaline suggests. Skipping fuel because you “feel fine” at 16K is how 30K becomes a science experiment. Taking extras because a friend offers something new is how you meet the porta-potty.
Fueling supports pacing. Pacing without carbohydrate strategy is bravado with a watch.
Train the gut like you train the legs
Long runs are dress rehearsals for intake, not only for distance. If something fails in training, fix it there. Race day should be the boring victory of a plan you’ve already proven.
This is general experience sharing, not medical or dietetic advice — when in doubt, talk to a qualified professional about your situation.