Hi dont worry you are 29 and are not going to get a heart attack feeling a bit heavy in chest (chest pain) after running 2 miles is very normal try to uincrease your running capacity gradually , if you feel chest pain after running 2 miles in one go,cover the distance in two parts. unless you are a chain smoker or you have a family history of very early cardiac ailments , chances of it being a pain of cardiac origin are very rare your blood pressure is quiet high considering your age you are having presystolic hypertension and your diastolic bp is grade 1 ( mild hypertension) at your age it should be less then 120/80 before starting you with medicines life style change should be tried for atleast 3 months dont smoke 45 min of strenous exercise everyday is advised include fibres in your diet take a low salt diet avoid using excess of ghee and butter in food follow this for 3 months if still not relieved will add tablet nevibolol . adv get a ecg done to rule out a cardiac cause rest follow suggestions for 3 months