From Olympics to road marathons to trail running: Magdalena Boulet speaks about her career and her visit to Hong Kong to run the 9 Dragons Ultra trail run

Champion ultrarunner Jim Walmsley

Whether you run, jump, cycle, swim or climb, listen in each fortnight as your hosts Mark Agnew and Mary Hui chat with key figures in trail running and adventure sports about the big issues they are facing. Brought to you by the South China Morning Post.