“My chest only goes tight once I’m back home”: the ten minutes after a cold run that most runners put down to being unfit
That post-run chest tightness isn’t a sign you’re unfit. It’s exercise-induced bronchoconstriction (EIB), a temporary airway narrowing triggered by cold, dry air that affects up to 20% of the general population and 70% of elite athletes. Simple warming techniques and nasal breathing can transform your winter running.