Water based extreme sports include; Surfing, Waterskiing, Body Boarding, Wakeboarding, Kitesurfing, Windsurfing, Cave diving, Flowboarding, Paddle surfing / Stand up paddle, Kayaking, Cliff Jumping, Coasteering, Scuba Diving, and Knee Boarding.
Snow and Ice
Snow and ice based extreme sports include; Snowboarding, Skiing, Ice Climbing, Snowmobiling, Snow Kiting, Monoskiing, Snowblading, Heli Skiing, Glacier Trekking, Ski Touring, Ice Driving, and Sledding/Tobogganing.
Air based extreme sports include; Base Jumping, SkyDiving, Wing Suiting, Bungee Jumping, High-lining, Hang Gliding, Paragliding, Micro Lighting, Canyon Swing, and Sling Shot.
Most Extreme Sports
The most extreme sports in the world based on their level of danger are; Base jumping, Heli-Skiing, Cave Diving, Big-Wave Surfing, and Mountain Climbing.
What Motivates People to Participate in Extreme Sports