Imagine going from London to Paris seven times in three weeks.
Seems like a lot of traveling in a short period?
Now imagine cycling it. Up to 96 hours sat on a saddle which is not much more than a sheet of carbon fibre (remove wince from face before continuing to read). Spread it out over 21 days and you have burnt 70,000 calories. That’s the same amount as 265 beef burgers.