'Blind Dave' celebrates running a marathon Video Seven marathons, seven days, seven continents - blind

Ahead of Sunday's London Marathon, meet Dave, who went blind as a child but does not let his disability stop him.

Watch video Paula Radcliffe's marathon tips

Paula Radcliffe met up to share marathon tips with Dame Kelly Holmes, who is running the London Marathon for the first time.

Greg Rutherford DNA analysis helps me - Rutherford

Olympic and world long-jump champion Greg Rutherford says DNA analysis is helping him to "make better decisions".