"I hope it will be fun as well as pain," said Cooper, who has shed more than four stone since he took up running again last year after a gap of more than 40 years.
Cooper Clegg chairman Ian Cooper will run his first full marathon at the age of 61-and-a-half when he takes part in the Flora London Marathon this weekend.
"I hope it will be fun as well as pain," said Cooper, who has shed more than four stone since he took up running again last year after a gap of more than 40 years.