Hi Stephanie! Nice, I'm looking forward to reading Born to Run 2, as well. As to the drills, there are quite many exercises. I suggest looking "running drills" up on Youtube. This also is a very good article: https://strengthrunning.com/2015/09/running-drills-to-improve-speed-form-efficiency/
Marketing specialist and running coach who has been passionate about writing ever since she was a teenager.