Most track inversions in a rollercoaster

The most track inversions in a roller coaster is 14 on The Smiler, at Alton Towers Resort (UK), in Staffordshire, UK. The roller coaster opened to the public on 31 May 2013. The 16-passenger roller coaster was reported to have 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 travel along a 1,170 m (3,839 ft) track. The Smiler can be found in the X-Sector area of Alton Towers Resort.