205. When will easy runs get faster?

www.run4prs.com Is it possible to make a full recovery from burnout My HR stays in zone 4 even if I slow down more than 3 min per mile How long does base building take to see results like easy running getting from 11-13 min per mile to 8-9 min per mile I’m confused how you should be able to talk on easy runs. How should this actually sound