Extreme sports are about excitement and danger. There are many different kinds of extreme sports, but almost all of them are dangerous. Mountain biking is one kind of extreme sport. It's a very fast sport on a mountain. People can go 160 kilometres an hour! Street luge is another kind of extreme sport. People lie on small vehicles with wheels and race down roads. Some people go 100 kilometres an hour!
Motocross is a very popular extreme sport. People ride motorbikes at very high speeds. Speed skiing is another exciting extreme sport. People ski down snowy mountains as quickly as possible. The fastest person in the world went 250 kilometres an hour! Windsurfing is a water sport. People use surfboards with sails to move across the water quickly. It's a very difficult sport.
Freediving is a dangerous sport. People try to see how deep they can dive into the sea without any special equipment. The current world record is 214 metres! Paragliding is a very beautiful sport. People fly through the air with a large piece of material above them. It's a little like flying like a bird. Rock climbing is a very popular sport. People climb up the sides of mountains or cliffs. Sometimes they climb very high - more than 8000 metres! White-water rafting is a fun sport. People travel down rivers in a small boat. Sometimes the rivers are very dangerous with a lot of waves. It's a very wet sport!