In the battle of Disney’s high-speed thrills, TRON Lightcycle / Run is faster than Rock 'n' Roller Coaster Starring Aerosmith. As of 2026, TRON (located in Magic Kingdom) holds the title of one of the fastest coasters at any Disney park worldwide, reaching a top speed of 59 to 60 miles per hour (97 km/h). Its launch is engineered to mimic the high-intensity acceleration of a digital lightcycle entering the Grid. In contrast, Rock 'n' Roller Coaster (at Disney's Hollywood Studios) tops out at approximately 57 miles per hour (92 km/h). While the speed difference is small—only about 3 mph—the sensation of speed varies significantly between the two. Rock 'n' Roller Coaster features a much more aggressive initial launch, going from 0 to 57 mph in just 2.8 seconds in total darkness with three inversions, which often makes it feel more intense. TRON, however, uses a smoother, magnetic launch system and features an outdoor canopy section that emphasizes wind resistance and visual speed. If you are looking for the absolute highest number on the speedometer, TRON is the winner, but for raw, neck-snapping G-forces, Aerosmith still puts up a massive fight.