The Great Bristol Run's Visually Impaired Runners 10K Challenge is the first dedicated race in the UK for blind and partially sighted runners and will take place for the fourth time this year.

Justin, a visually impaired runner with a guide dog called Otis, decided to take part in this year's race after he was moved by the event atmosphere when he was supporting some of his other visually impaired friends at last year's 10K.