Taken from wikipedia.com:
In 2004, author Joe Tomlinson classified extreme sports into those that take place in air, land, and water.
Nine air sports:
BASE jumping, bungee jumping, gliding, hang gliding, high wire, ski jumping, sky diving, sky surfing, and sky flying.
Eighteen land sports:
indoor climbing, adventure racing, aggressive inline skating, BMX, caving, extreme motocross, extreme skiing, freestyle skiing, land and ice yachting, mountain biking, mountain boarding, outdoor climbing, sandboarding, skateboarding, snowboarding, snowmobiling, speed biking, speed skiing, scootering and street luge.
Fifteen water sports:
barefoot water skiing, cliff diving, free-diving, jet skiing, open water swimming, powerboat racing, round the world yacht racing, scuba diving, snorkeling, speed sailing, surfing, wakeboarding, whitewater kayaking, windsurfing.
If you love extreme sports, you might be interested in some of these T-shirts and other items from Zazzle!
Stick Figure Hang Gliding Tshirts and Gifts by stick_figures
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