Monday to Sunday (subject to minimum group size requirements being met), throughout the year.
The activity will last all day.
The minimum age is 12. Belfast & Elsham is 16, Norwich, Thetford & Northwold is 18.
You'll need to be reasonably fit as there will be lots of running around.
There'll be a maximum of 350 other people in your group.
Spectators are more than welcome to relax in the Base Camp throughout the day. Many centres boast viewing galleries to witness the action from.