This week we welcome to the show USA-representative and 2:30-marathoner, Becky Wade-Firth as she brings us the first of two workouts that help transition us from a speed-focus to a more endurance-focused workout.  WHAT? 4 sets of:[4x 300m @ your 5k race pace100m jog float]800m jogs between sets Terrain: Track or measurable pathway. Feels: Smooth[…]