Roller On a Roller Coaster

Dirk Auer, from Gross-Gerau near Frankfurt, is considered to be the most extreme inline-skater in the world. Wearing specially designed in-line skates, he skated on the Mammoth roller coaster at the Trips Drill theme park in Stuttgart, Germany. Reaching speeds of 90km/h (56mph), Dirk skated the 860 metre track in just over one minute. Spending two months planning the outrageous stunt, Dirk also designed and made the monster skates, which took him a total of 110 hours of work