What to Eat the Week Before a Marathon
Race week eating isn't about finding one perfect meal; it's a handful of sensible, low-risk choices repeated across a few days, alongside the reduced training of tapering. The overall goal is arriving at the start line well-fuelled and with a settled stomach, not experimenting with anything new.
Early in the week (5 to 6 days out)
Eat normally. There's no need to change much this early, though it's a reasonable time to stock up on the familiar carbohydrate-rich foods, rice, pasta, bread, potatoes, oats, that you'll lean on more heavily as race day approaches. This is also a sensible point to finalize your race-morning breakfast plan so you're not deciding under time pressure later.
Mid-week (3 to 4 days out)
Continue eating normally, but start being more deliberate about avoiding new restaurants, unfamiliar cuisines, or dishes you haven't had before. This is also a good window to ease off very high-fibre or very spicy foods if your stomach tends to be sensitive, since digestive issues are easier to avoid than fix once they start.
The carb loading window (2 to 3 days out)
Shift the balance of your meals toward more carbohydrates, while keeping portions reasonable rather than dramatically overeating. See carb loading explained for a fuller breakdown of why this window matters specifically for the marathon distance and how to approach it without overcomplicating things.
- Favor familiar, easily digestible carbohydrate sources over new or heavy dishes
- Keep protein moderate rather than eliminating it entirely
- Go easy on very high-fibre foods and excess fried or spicy food in these final days
- Stay consistently hydrated rather than trying to overhydrate in one sitting
The night before
A normal, carbohydrate-inclusive dinner that you've eaten before and know sits well is the safest choice. This is not the time for a new restaurant, an unusually large meal, or anything experimental, even if it looks appealing on an expo food stall or hotel menu.
Race morning
Eat a familiar, easily digestible breakfast 2 to 3 hours before your start time. See race-day nutrition for beginners for specific breakfast guidance and how eating during the race itself fits in, and how to fuel a marathon for the marathon-specific fuelling plan once you're running.
If you're travelling for the race
Travelling to a different city adds a layer of uncertainty around food availability and familiar options; packing some familiar snacks and confirming your hotel's breakfast timing in advance reduces the number of unknowns on race morning. See night-before travel checklist for a fuller list of what to sort out before you leave.
Browse upcoming marathon events and start planning your race week now.
Browse eventsBased on what we see in pre-race support queries, questions about food and hotel breakfast timing seem to spike specifically in the final few days before larger marathon events, more than any other single topic in that window. My honest suggestion, from a purely logistical standpoint, is to sort out your race-morning breakfast plan earlier than most people do, since scrambling to find a familiar option at 4 a.m. in an unfamiliar city adds stress you don't need before a race.
Frequently asked questions
Should I change my diet a full week before a marathon?
Not dramatically. Early in the week, eating normally is fine; the more deliberate shift toward carbohydrates usually starts around two to three days out.
Is it safe to try a new restaurant during race week?
It's generally best avoided, especially in the final few days, since unfamiliar food carries a higher risk of stomach upset than sticking to known, well-tolerated meals.
What should my dinner look like the night before a marathon?
A normal, familiar, carbohydrate-inclusive meal that you've eaten before and know sits well, rather than anything new or unusually large.
Does race week eating matter if I'm not chasing a specific time?
It still matters for comfort and energy, even if you're not chasing a particular finish time; running low on fuel or dealing with stomach issues affects the experience either way.