article_snippet: Less than a year ago I could barely walk, now I'm running marathons and am as fit as a fiddle. '
article_snippet: I downloaded a running training pack from online and started to do interval training. '
article_snippet: Walking for five minutes and then running for two.
article_snippet: I tried to use it whenever I could, and when my fitness improved I started running for half an hour a day – covering 5km each time.'
article_snippet: I loved running,' Kirste says, 'I'd developed a hobby and was becoming a good runner.'
article_snippet: This weekend I ran the Wrexham marathon in six hours and 15 minutes. '
article_snippet: Before I would only run in the privacy of my home
article_snippet: but now I run outside and feel great. '