http://www.pponline.co.uk/ Peak Performance en http://www.pponline.co.uk/answer/marathon-running-heart-rate-39225 <p>I posted this as a comment to one of the articles but here is probably more appropiate:</p> <p><a href="http://www.pponline.co.uk/answer/marathon-running-heart-rate-39225">read more</a></p> http://www.pponline.co.uk/answer/marathon-running-heart-rate-39225#comments distance running Mon, 28 Apr 2008 16:32:12 +0000 lumu_tit 39225 at http://www.pponline.co.uk