…generally involves being part of an organized group (anything between 10 and 150) and taking part in some physical activity ranging from the relatively undemanding to the arduous. Costs to the participants are low (usually around £200) but they must raise a substantial amount of money for the charity though sponsorship (often about £2000). Supportive friends and family are encouraged to sponsor the individual, imaginative fund-raising events ensue and businesses are often willing supporters because of the team-building potential of the ‘challenges’.