Carina Horn holds the South African record for the women's 100 metres in a time of 11.06 seconds. The 27-year-old talks to us about her athletics career and the centrality of her Christian faith. And former world recorder in the women's marathon, Kenya's Tegla Loroupe, tells us about her Peace Foundation, set up in 2003 to bring warring communities in Kenya together and help orphans and refugees achieve their potential. This past summer in Rio she was the Chef de Mission of the Refugee Olympic Team.