The man with motor neurone disease who runs marathons
Mark Maddox was diagnosed with motor neurone disease (MND) in 2010. It's a terminal illness that wastes muscles. Life expectancy is, on average, about three to five years from when symptoms start.
The father of three is now a keen MND awareness campaigner. He has run the London Marathon to raise money for the Motor Neurone Disease Association (MNDA). He completed the challenge in just six hours and 35 minutes and is training for this year's event.
We met the former semi-professional footballer at his home in Liverpool with his friend Tony, who's also a marathon runner.
The MND Association says around two people in every 100,000 will develop the disease each year.