Avoid the Bonk with Science!
Ben Rapoport figures it all out.
NPR has a story today about rocket scientist, secret agent, neurosurgeon, and rock star Ben Rapoport figuring out exactly how to calculate your carbohydrate needs and how crazy-fast a marathon you should be able to run if only you had enough “grits.” Or something.
There is a calculator, if you are into that sort of thing.