1-2km/h average speed difference is far too small to make a conclusion from, especially when it's usually depend whether you're on form or not.
That's an average of averages, based on distance, HR and perceived efforts. Don't ask to see my working please ;)
@bashthebox started
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1-2km/h average speed difference is far too small to make a conclusion from, especially when it's usually depend whether you're on form or not.