Although there are many travel insurance plans out there being marketed as extreme sports travel insurance, there are still certain activities are excluded which are:
Any paid form of professional competitions or sports, in which you are sponsored or receive any kind of monetary reward
Expeditions to remote, previously undiscovered or inaccessible locations
Drag racing
Trekking above 3,500-4,000m
Scuba diving unaccompanied below 30 metres
Piloting an aircraft without a licensed guide
Canoeing or white water rafting without a qualified guide or Grade 4 and above (of the International Scale of River Difficulty)
Off-piste skiing, or skiing outside the officially approved boundaries of a ski resort