The most track inversions in a roller coaster is 14 on The Smiler, at Alton Towers Resort (UK), in Staffordshire, UK. The roller coaster is due to open to the public on 23 May 2013.
The 16 passenger roller coaster cost £18 million (US $27,612,500) to complete and took 3,000 hours to construct. Riders whirl through the 14 inversions at speeds of up to 85 km/h (52.82 mph), with the highest drop reaching 30 m (98.43 ft). In total, the ride lasts 165 seconds as riders are shot along a 1,170 m (3,839 ft) track. The Smiler can be found in the X-Sector area of Alton Towers Resort.
Please note: Comments below may relate to previous holders of this record.