Headwind and how much it affects your pace.

In our Facebook group, someone asked why running felt so hard to run into a headwind, but the feelings weren't as mutual when running with a tailwind. Well, it just so happens I found some data to back that feeling up. Knowing this should help a runner who's dealing with a headwind situation during a race.

10% of training plans: LHRPLANS10
https://www.finalsurge.com/coach/LukeHumphreyRunning