The Steel Dragon 2000 is the longest roller coaster in the world, measuring a whopping 8,133 feet in length. When construction on the coaster finished in August of 2000, it was officially christened the longest in the world, with a Guinness World Record being given to the park for the world's longest track.

As of 2026, the title for the longest roller coaster in the world remains a subject of intense competition, but the Steel Dragon 2000 at Nagashima Spa Land in Japan has long held the record with a staggering track length of 8,133 feet (2,479 meters). However, the thrill-seeking world is currently watching the debut of Tormenta Rampaging Run at Six Flags Over Texas, which has recently claimed several world records, including being the longest "dive coaster" at over 4,100 feet. While Steel Dragon 2000 wins on pure linear distance—taking riders on a journey that lasts nearly four minutes—new "Giga" and "Strata" coasters are catching up by using more compact, high-intensity layouts. The sheer length of Steel Dragon 2000 is largely due to its massive "out-and-back" design, which requires an immense amount of steel to withstand Japan's seismic activity, making it not just a long ride, but one of the most heavily engineered structures in the amusement park world. For fans of endurance, these long-track coasters offer a rare experience where the ride doesn't end just as the adrenaline peaks.