"If you had asked me three years ago if training alone was possible while being blind I would have said no," Mr Wheatcroft told FOXNews.com. "Now I do it and ... I realize perhaps a lot of things are possible."
The RunKeeper app uses the GPS tracker in the iPhone to track your runs, including duration, distance, pace, calories burned, and path traveled on a map. The app reads your current stats over your headphones as you run, and the virtual coach warns if you are ahead or behind pace.