Crazy "flying"

Noun someone or something that is abnormally large and powerful
behemoth
McNamara, self-described "extreme surfer", broke the world record for "Largest Wave Surfed" by conquering a 90 foot behemoth in Praia do Norte, Nazare, Portugal.
Adjective making a certain situation or outcome likely or possible
Whether wingsuit flyers are base jumpers or dive from planes, they need terrain conducive to flying that is hard to find.
Noun bold and often dangerous behavior
Is that a bird? A star? No… it’s Baumgartner. Baumgartner jumped from an altitude of 128,097 feet over Roswell, New Mexico, reaching a peak speed of about 833 mph and creating a worldwide record in daredevilry.
Noun sport of riding a modified surfboard that is attached to a large kite
The Columbia River Gorge, a chasm lined with luscious evergreen forests, waterfalls, and cliffs on the Washington-Oregon state border, is a premier spot for kiteboarding.
Noun spare amount or measure given for contingencies
Among the dangers is the temptation to "push the envelope": To try to go closer to a rock wall, for instance, than anyone else. With no margin for error, you can pay for it with your life.
Noun degree of slope
pitch
“The pitch of what he was riding, that was incomprehensible. Not just steep and technical, but mentally so challenging. You have to be the most calculated snowboarder in the world to do what he does ... and survive."
Adjective falling or rising sharply
You need steep slopes for high-speed, yet plenty of room for opening a parachute. Also you need little or no wind as an unknown turbulence could kill you.
Verb rise or extend far upward
This is the highest commercially operated bungee jump in the world. Towering 216 meters (708 feet) above the river, it's over 60 stories high.
Noun violent or unsteady movement of air or water
You need steep slopes for high-speed, yet plenty of room for opening a parachute. Also you need little or no wind as an unknown turbulence could kill you.
Adjective extreme
This ultra sport started when Hawaiian King Kahekili commanded his men to leap off the cliff, as a test of courage and loyalty to him.