Grass Hill Sprints have become a staple in my programing no matter what phase I’m cycling through. The benefits include an increase in running economy, promotion of better sprinting mechanics, low impact and they generally don’t take that long to complete. Choose a steep hill that forces you into that nice leaning posture but not so steep that it alters your mechanics completely. Once you have found the ideal hill start with one of my favorite hill workouts and gradually add volume: