Ultramarathons: Are women faster than men?
As running races get longer, the gap between male and female competitors seems to close. Tim Harford and Lucy Proctor investigate the claim that when the race is 195 miles long, women overtake men to become the fastest runners. \n \nPresenter: Tim Harford\nReporter: Lucy Proctor\nProducers: Nathan Gower and Debbie Richford\nProduction Co-ordinator: Katie Morrison\nSeries Producer: Tom Colls\nSound Mix: Neil Churchill\nEditor: Richard Vadon
(Image:Male and female running together up a mountain trail. Credit: nattrass via Getty)