These foods are all good, healthy options to choose before a run. If you are having something more filling such as porridge, though, it is best to have it an hour before exercise to give your stomach time to digest. Something such as a banana, however, can be eaten much closer to the race.
I've done a few Parkruns and find that, because it is quite a short run, I don't really need such a big breakfast - I usually find it better to re-fuel afterwards – but this might be different for other people.
Another good option is wholemeal toast with a bit of banana or peanut butter on top. You will want to avoid things like jam, however, that provide a quick burst of energy but won't sustain you for a run.
If you would like more information on this topic, check out my blog 'What to eat before a 5k or 10k?'
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