Calf Tightness After Running : Causes, Prevention, and 6 Relief Stretches Calf tightness after running is typically caused by muscular overuse, inadequate warm-ups, or skipping your post-run cool-down routine. During a run, your calf muscles (specifically the gastrocnemius and soleus) continuously contract to propel your body forward and absorb impact. Without proper stretching, hydration, and […]









