|Lorraine Moller winning the first |
ever London Marathon.
Now over 50yrs and still no signs of
When you finish a marathon it is "normal" that you muscles will be extremely sore and stiff as boards. As you cross the line, your legs are more than likely operating like wooden ones than anything else. And it will be several days before you are even half way back to running "normally"!
Your heart is a muscle and it is equally affected. If we were to monitor the blood pressures and pulse of a marathon runner for several hour following running a marathon (I have done this) we will find that the pulse remains weak and unresponsive and blood pressure low to the point of being downright unhealthy. Fortunately, as this report above bears out, there does not appear to be lasting damage.
Having said this I would still take great care of my heart if I were you - runner or not. Marathon running does not confer immunity from heart disease. Here's a ground-breaking article on the subject: