In 1995, promising Kenyan runner Henry Wanyoike suffered a stroke and lost his sight. After initially feeling depressed, Henry learnt how to run tethered to a guide and went on to a set a series of long-distance running records for the blind – many of which stand to this day. Henry Wanyoike talks to Alex Last.

(Photo: Henry Wanyoike, with his guide, on the way to setting a marathon world record in 2005. Credit: Getty Images)