The people with the fastest typing speeds aren’t the best writers.
Elite long distance runners do most of their training at a pace much slower than their race pace. The key to running fast is to train slow.
A good programmer isn’t necessarily the fastest programmer. A good programmer takes the time to edit and rewrite her code to make it readable, maintainable and efficient.
We often confuse speed for efficiency. To be efficient is to take the time to do things right.