'Grandad Bob' - 29th marathon with granddaughter

This content is not available in your location.

There was an error

81-year-old viral sensation 'Grandad Bob', is set to run his 29th London Marathon alongside his 21-year-old granddaughter Amelia at this year's event. Known affectionately as the 'town's grandad', Bob is back on the race course after capturing the hearts of millions on TikTok.

WATCH MORE: Athletics video on the BBC

Available to UK users only.