| Tokachi International Speedway | |
| Location: | Sarabetsu, Hokkaido, Japan |
| Broke Ground: | 1992 |
| Events: | Current: Japan F4 Regional Championship Series (2024) Former: Super Taikyu Series Tokachi 24 Hours (1994–2008) All Japan Grand Touring Car Championship (2004) JTCC (1993–1997) Formula Nippon (1995–1996) Japanese F3 (1994) |
| Fiagrade: | 2 |
| Layout1: | Grand Prix Course (1993–present) |
| Length Km: | 5.092 |
| Length Mi: | 3.163 |
| Turns: | 15 |
| Record Time: | 1:41.100 |
| Record Driver: | Michael Krumm |
| Record Car: | Reynard 95D |
| Record Year: | 1996 |
| Record Class: | Formula Nippon |
| Layout2: | Clubman Course (1993–present) |
| Length Km2: | 3.400 |
| Length Mi2: | 2.113 |
| Turns2: | 10 |
| Record Time2: | 1:15.517 |
| Record Driver2: |  Érik Comas |
| Record Car2: | Nissan Fairlady Z |
| Record Year2: | 2004 |
| Record Class2: | GT500 |
| Layout3: | Junior Course (1993–present) |
| Length Km3: | 1.700 |
| Length Mi3: | 1.056 |
| Turns3: | 7 |
Tokachi International Speedway (十勝インターナショナルスピードウェイ) is a motor racing circuit in Takikubo, Sarabetsu, Hokkaido, Japan.[1]
The circuit has two main configurations, the Grand Prix Course (グランプリコース),, and the Clubman Course (クラブマンコース), .
Starting in 1994,[2] there was a 24-hour N1 class race in July each year until 2008. In 2007, a Toyota Supra took the first win for a hybrid vehicle.[3]
In 2004, a regular All Japan Grand Touring Car Championship race was held at the Clubman Course. And also a regular Formula Nippon race in 1995 and 1996 were held at the Grand Prix Course. In 2018 the D1 Grand Prix series held a regular race at the circuit.
The track is also used by the Renault Eurocup, and for karting.
The unofficial all-time track record set during a race weekend is 1:39.625, set by Toranosuke Takagi in a Reynard 96D, during the qualifying for the 1996 Tokachi Formula Nippon round.[4] The official lap record for the current circuit layout is 1:41.100, set by Michael Krumm during the same race. As of July 2004, the fastest official race lap records at the Tokachi International Speedway are listed as:
| Category | Time | Driver | Vehicle | Event |
|---|---|---|---|---|
| Grand Prix Course: 5.092 km (1993–present) | ||||
| 1:41.100[5] | 1996 Tokachi Formula Nippon round | |||
| 2:07.010[6] | 1995 Tokachi Japanese F3000 round | |||
| 2:08.042[7] | 1993 Tokachi JTCC round | |||
| Clubman Course: 3.400 km (1993–present) | ||||
| 1:15.517[8] | 2004 Tokachi JGTC round | |||
| 1:15.920[9] | 1994 Tokachi Japanese F3 round | |||
| 1:21.392 | 2004 Tokachi JGTC round | |||