Why It’s Faster to Ride Hard into a Headwind Than With a Tailwind

Is it faster to push hard when the riding is easy, or when the going gets tough? Should you expend extra watts when you’ve got a strong tailwind (or a long downhill), or when you’re battling a stubborn headwind? The answer may surprise you…

Source: Why it’s faster to ride hard into a headwind than with a tailwind

A large of the the equation is knowing what you’re capable of, and how that relates to the course.  Which requires knowing the course…