Matthew Pinsent hosts another round-up of reports featuring aspiring Olympians from around the world.

Usain Bolt talks about the PE teacher who set him on track to becoming the world's fastest man. American gymnast Shawn Johnson is on a tour of a major sporting brand's headquarters in the USA. Jehue Gordon, a 19-year-old hurdler from Trinidad, discusses the twin spectres of poverty and gang crime that haunt his home town, Port of Spain. Show less