I felt as if I was floating. My steps were smooth, as if the bottoms of my feet were hovering above the asphalt. My arms were light, guiding each movement, propeling my body forward. I felt the warm glow of enjoyment, as a smile crossed my face and I settled in for my run. My focus zeroed in on the rhythmic motion of running and breathing, breathing and running. In…out…in…out. As my feet pushed against the ground, I was aware of each muscle–legs, core, back, arms–as it shortened and lengthened to move me forward. I envisioned the perfect footfall, my …