More than 100 employees from American Express are running the marathon to raise cash for a host of good causes.

Client relationship manager Mark Stevenson is running his first marathon in aid of Have A Heart.

Almost 40 employees will also man the drinks station on Upper St James’s Street, five miles into the marathon. They are among more than 2,000 volunteers supporting the event, who will take part in a number of activities, from marshalling to handing out medals at the finish line.