The sister of Olympic bronze medallist Anthony Ogogo is following in her brother's footsteps by competing for Great Britain.
Jo Ogogo from Lowestoft is taking part in the Obstacle Course Racing World Championships. It involves mental as well as physical endurance.
Watch below a report by Tanya Mercer when she went to meet Jo during one of her training sessions.
Jo Ogogo has worked her way up through leagues to reach the elite category of the World Championships and will now represent Great Britain at the international competition in Canada in October.
Jo is the older sister of boxer Anthony Ogogo, who won bronze in the 2012 Olympics. Their sister Carly has also represented Great Britain in boxing.
What is Obstacle Course Racing?
Similar to military training, competitors run over mud trails facing various obstacles including climbing over walls, carrying heavy objects, crossing water and jumping through fire.