It's a twee Valentine's card marketing slogan, but the saying 'Listen to your heart' is also useful advice for runners. Here are some Q&As explaining why.What does my heart rate tell me?With each beat, the heart pumps blood-borne oxygen molecules
the time to fully appreciate the best the British countryside has to offer! . Find Out More Top 10 Running Surfaces Not all running surfaces are created equal - we've rated the top 10, from asphalt to woodland. Q+A
