What to eat before parkrun depends on how early you wake up and how your stomach handles food before a run. For most people, a small, carbohydrate-rich snack 30 to 60 minutes before the gun is enough. Here is a practical guide from an accredited exercise physiologist who has helped hundreds of runners get their Saturday morning fuelling right.

What to eat before parkrun: the basics
Parkrun is 5 km. Most runners finish in 20 to 35 minutes. That is short enough that your body already has the fuel it needs, stored as glycogen in your muscles and liver. The goal of eating before parkrun is not to load up on energy. It is to settle your stomach, keep your energy steady and stop you feeling flat in the last kilometre.
Timing your parkrun breakfast
| When you eat | What works |
|---|---|
| 90 minutes before | Toast with peanut butter and banana, or porridge with honey |
| 60 minutes before | A banana, a piece of toast with jam, or a small tub of yoghurt |
| 30 minutes before | A few dates, a rice cake with honey, or half a banana |
| Nothing (empty stomach) | Fine for most people at 5 km, especially if you had dinner the night before. Drink a glass of water. |
The closer to the start, the smaller and simpler the food. Fat, fibre and large portions all slow digestion and can cause stomach trouble mid-run.
What to avoid before parkrun
- High-fibre cereals or muesli bars. They sit in the gut and can cause cramping.
- Big milky coffees. A flat white is fine for many runners, but a large latte on an empty stomach can send you looking for a bathroom at the 2 km mark.
- Anything new. Parkrun morning is not the morning to try a new food. Stick with what your stomach already knows.
- Energy gels. You do not need them for 5 km. Save them for longer efforts. Our guide to energy gels for running covers when they actually help.
What about coffee before parkrun?
If you normally drink coffee in the morning, have one. Caffeine before a short run can help you feel sharper. If you do not normally drink coffee, parkrun is not the day to start. A small black coffee or a single-shot flat white 30 to 60 minutes before is what most of our runners at Samford settle on.
Hydration before parkrun
Drink a glass or two of water when you wake up. That is usually enough for a 5 km run on a cool morning. On a hot Brisbane morning, have a little more and sip on an electrolyte drink if you tend to sweat heavily. Do not skull a litre of water in the car park. It will slosh.
Running on an empty stomach
Plenty of parkrunners run fasted every Saturday and feel fine. At 5 km, your glycogen stores are more than enough. If you feel good running on empty, there is no reason to force food down. If you feel sluggish or light-headed in the last kilometre, try a small snack next week and see if it helps. Our full guide to the best pre workout snack has more options and timing advice.
A simple parkrun morning routine
- Wake up. Glass of water, coffee if that is your habit.
- Small snack if you want one: banana, toast, or a couple of dates.
- Arrive 10 to 15 minutes early. Walk the first 200 metres to warm up, or do a few leg swings and calf raises.
- Run. Start easy and let the pace come to you.
- Finish. Eat a normal breakfast within an hour or two: eggs on toast, a smoothie, or whatever you like. Some people add a scoop of grass fed whey protein isolate Australia to a post-run smoothie.
When to get it checked
If you regularly feel dizzy, nauseous or unusually fatigued during or after parkrun, it is worth having a proper look at your training load, nutrition and hydration with someone qualified. An exercise physiologist can help you work out what is going on and adjust your routine so Saturday mornings feel good again.