What is the safest extreme sport?

What is the safest extreme sport?
Of course, in order for you to get a hold of one of those supercars, you will have to spend more.

Extreme Sports.
Flowriding.
Indoor skiing.
Pool scuba diving.
Rock climbing.
Safe car racing.
safe surfing.
The Least Dangerous Extreme Sports.

Of course, in order for you to get a hold of one of those supercars, you will have to spend more.
  • Extreme Sports.
  • Flowriding.
  • Indoor skiing.
  • Pool scuba diving.
  • Rock climbing.
  • Safe car racing.
  • safe surfing.
  • The Least Dangerous Extreme Sports.