What to eat on race day: tips for amateurs

TLDR

Race day for amateurs: familiar carbs, light stomach, eat on time — no experiments with a new gel or a legume bomb.
Before the start: what you already tested in training; during: small carb doses if the effort runs long; after: food + fluids, no panic shake.
Fibre bombs, heavy fats and “new superfoods” on race morning make your stomach look silly — literally.
See sport gels & bars, eating around training, hydration & electrolytes.

Start pen, spelt croissant from the bakery “because it’s healthy”, and halfway through the run your stomach knots up. I’ve made that mistake — well meant, badly timed. Let’s reframe: race-day eating is not an influencer protocol. It’s mostly: nothing new, enough fuel, keep the gut calm. Whether it’s a local 10 miles, a sportive or a company cross — same logic.

What actually helps on event day

Carbs are your fast fuel for tempo efforts. Sports-nutrition guidance (ISSN-style; EFSA/WHO frame total diet, not the start pen) stays simple: top up glycogen the day before with familiar meals, eat 2–4 hours before the start something carb-forward with few surprises, and for efforts longer than ~60–90 minutes take small carb doses on the way if you’ve trained that.

Hydration: don’t start dehydrated, drink to thirst plus a plan you practised in training — not sudden litres. Electrolytes are often unnecessary on short events with normal food; relevant in heat or long rides — see the hydration piece.

When yes

Familiar breakfast carbs: oats, white bread with jam/honey, rice cake, banana — what your stomach already knows from long training days.
Gels/bars only if practised: first time trying a new gel at km 8 is a classic. Test in easy endurance sessions.
Afterwards: fluids, salt to taste, carbs + some protein within a few hours — a meal often beats a fancy shake. See recovery shake vs meal and chocolate milk after training.

When not / limits

Not: legumes, huge salads or heavy fries as a “loading strategy” in the morning: fibre and fat sit heavy; save the stew for the night before or after.
Not: new supplements, shots or “race-only” powders: stomach and gut don’t love surprises under adrenaline.
Not: panic overhydration: too much water without a plan can make you nauseous; electrolytes aren’t magic at every 10K.
Short events (<45–60 min): often enough with a solid meal the night before + light breakfast; gels usually unnecessary.

Night before vs morning of

My rule of thumb: the night before can be a bit richer in carbs (pasta, rice, potato) without experimental sauce. Morning: smaller, earlier, more familiar. Caffeine if you always do it — not as a premiere; limits around training are in our coffee piece. And accept: nerves blunt appetite. Drink and eat what goes down; don’t force three plates “because you’re supposed to”.

Practical Engy tip

Write down your race-morning menu after a successful long session. Copy that on race day. No new bakery specials in the start pen.

Recommendations in bullets

Familiar carbs, light stomach, eat on time.
Test nothing new on race morning.
Gels/bars only if practised in training.
Afterwards: fluids + normal meal > panic protocol.
Link to gels, timing, hydration and recovery drinks on Engy.

Sources (selection)

ISSN / sports nutrition — carb intake pre/during endurance events (practical framing).
EFSA / WHO — diet & hydration in the total pattern.
Sporza/HLN-style race-day nutrition pieces — inspiration; not prose copy.
Engy: sportgels-repen-amateur, eten-rondom-training-timing, hydratatie-elektrolyten-training, recuperatieshake-vs-maaltijd, chocomelk-na-training.