Spiral (bobsleigh, luge, and skeleton)

The track was among part of the venues used for the 1998 Winter Olympics that was started in 1990. Construction on the track started in November 1993 and was completed in March 1996 with homologation from the International Bobsleigh and Tobogganing Federation (FIBT) on 28 March 1996 and from the International Luge Federation on 24 June 1997. This track was referred to as the "Spiral" because of the winding track and dynamic movement of the sleds. However, Sapporo dropped its bid for 2030. As of February 2022, 24 years after the Nagano Olympics was held, with the track no longer in active use nor properly cleaned and maintained, the track has degenerated into a dilapidated state. ==Track technical details==

Overall track construction cost ¥ 10.1 billion. to train staff to make proper ice. Mende and his crew worked 18 hours a day during the 1998 Games to ensure track thickness was of ice. Sun shades are used in an effort to maintain the operating temperatures of . Track competitions were also moved to the afternoon during the games to avoid the sunniest hours. There are a total of 56 sensors located throughout the track to maintain constant ice temperature and thickness. ==Statistics==

There are no listed turn names for the track. The track's two uphill sections are right after turn 8 with an average uphill inclination close to 4% and between turns 10 and 11 with an average uphill inclination of nearly 10%. ==Championships hosted==

• Winter Olympics: 1998 • FIBT World Championships: 2003 (Men's and women's skeleton) • FIL World Luge Championships: 2004 ==References==