Here's one form of rollerblading we can get behind: German daredevil Dirk Auer broke a world record by using in-line skates to race down a half-mile roller coaster in just over a minute.



Auer built custom skates with 16 wheels on each shoe to ride along the entire track of the Mammoth coaster at the Trip Drill theme park in Stuttgart, Germany. His record-setting stunt included a steep 98-foot drop and speeds of up to 56 mph.

"This was a very dangerous stunt because there were so many factors to consider," Auer said. "The roller coaster is wooden, so -- unlike rides made from iron and steel -- there was always a chance of the odd nail or screw that would not be entirely flat. If the skates were to catch a stray nail then I could have fallen and I would almost certainly have died."

Upon exiting the ride, Auer opted not to pay for the overpriced souvenir photo.



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