Easy runs may be the most ignored characteristic of a person's training.
But I get it. What's exciting about running for an hour easy?!?!
Yet, whether you're running 20 miles a week or 100 miles a week, miles at an easy effort should make up 75% of your total weekly volume.
If this type of run makes up such a large chunk of your weekly mileage, why is all the focus on tempo runs, threshold workouts, or track repeats?
Probably because a) those workouts are more fun to think about & b) ...