Originally Posted by
caloso
I've done long intervals (such as 2x20's) on an out and back course in the wind. It's much easier to keep the target wattage going into the wind than with a tailwind. I think mostly it's psychological.
Easier is a funny word to use. Higher wattage is always harder to expend. But if you have a target wattage to reach and are willing and capable to generate it, you will be able to arrive at that number at a lower bike speed in a headwind. I wouldn't call that easier though.