Year of the Older Person: From winning the Dundee Marathon to teaching martial arts at 72, this Dundonian is proving fitness is for all ages

© Dougie Nicolson/DCT MediaSam Graves with a photo of himself winning the 1988 Dundee Marathon, at home in Broughty Ferry.
Sam Graves with a photo of himself winning the 1988 Dundee Marathon, at home in Broughty Ferry.