Why do my feet hurt?

To quote a very famous doctor
With brains in your head and feet in your shoes
you can go in any direction you choose

But what happens when those feet in your bike shoes are killing you and it’s so bad that you just don’t want to ride anymore, no matter what the direction? Research tells us that up to 75% of riders will complain of burning, numbness or sharp pain in the forefoot or ‘balls of their feet’ during longer rides.