63-year-old Catherine Mathebe is fighting to reduce obesity in South Africa after exercise changed her life.
Britain's disability strong woman champion talks about competing with multiple sclerosis.
Professional parkour athlete Luke Stones says people have become more accepting of the sport.
Doctors thought Steph Hammerman would never walk or talk. Now she has opened her own CrossFit gym.
Callum Hawkins talks us through his ultimate music playlist to listen to while running the London Marathon.
Endurance athlete & blogger Sophie Radcliffe explains how swimming in an open-water environment is an "exhilarating" experience.