Tsukuba Circuit

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Tsukuba Circuit
Tsukuba Circuit.jpg
Home straight
LocationShimotsuma, Ibaraki, Japan
Time zoneJST, UTC, GMT +9
Major eventsMFJ Superbike
Tsukuba 1000
Tsukuba Time Attack
Length2.045 (without chicane)
2.070 (with chicane)[1] km (1.287 mi)
Race lap record44.008 seconds (Kamui Kobayashi, Dallara SF14, 2015)

Tsukuba Circuit (Japanese: 筑波サーキット, Tsukuba Sа̄kitto) is a motorsport race track located in Shimotsuma, a neighboring city of Tsukuba, Ibaraki Prefecture, Japan. It is 2.045 kilometres (1.271 mi) long, with 32 pit garages and a 437 m (0.272 mi) long back straight.[1] There is a small chicane used only for motorcycle racing that increases the track's total length to 2.070 kilometres (1.286 mi).

The track was established in 1966 with the aim of attracting young people to participate in motor sports, but was not actually completed until 1970.[2] At the present time, an event is held every week.[3] The track has a large variety of corners, ranging from wide sweepers to hairpins.[2] The circuit accommodates 8500 spectators on the track, 3000 in the stands, 5000 on lawn seats, and 500 standing over the pits.[2]

Admission is free on weekdays and ¥500 on weekends, but only when there are no scheduled events. Visitors are allowed to drive on the track with a license. Tsukuba Circuit is not accessible by public transportation, so renting a car is the best way to get there. A taxi is also available from Kanto Railway's Soudou Station, though it will take longer.

A satellite image of Tsukuba Circuit in 1990

Time Attack[edit]

Tsukuba's "Time Attack" event (alternatively known as Super Lap or Tuner Battles) originated in Japan when the tuning media organized the event on race circuits such as Tsukuba, as a proving ground for street tuned cars built at a large budget by highly respected tuning companies. As a result of the quick rise in popularity, tuners developed specialized cars to beat the competition,[4] including the purpose-built HKS CT230R Lancer Evolution with a body made entirely out of carbon fibre.

Unlike other timed motorsport disciplines such as sprinting and hillclimbing, the car is required to start off under full rolling start conditions following a warm-up lap, where they will have to accelerate out as fast as possible to determine how fast they enter their timed lap.[4] Commonly, as competing cars consist of modified road-going models, they are required to wear tires authorized for road use. In all, drivers are allocated to three laps in a final event run; warm-up, timed and cool-down.[4]


The following is a table of best Time Attack times, last updated 21 December 2019:

Pos Team Car Best lap (sec) Top speed (km/h)
1 Scorch Racing with Under Suzuki Nissan Silvia (S15) 50.366 245.622[5]
2 Escort Drag Racing Service Mitsubishi Lancer Evolution VIII 50.716 236.998[6]
3 Top Fuel Drag & Street Shop Honda S2000 (AP1) 51.762 233.080[7]
4 Garage G-Force Mitsubishi Lancer Evolution VIII 52.391 223.927
5 Racing Factory AutoBahn Toyota Soarer (JZZ30) 52.454 248.447[8]
6 Vibrant Performance with PZ Tuning Honda Civic (FG4) 53.071 237.781[9]
7 Esprit Honda NSX (NA1) 53.474 239.734[10]
8 Car Shop Dream KJM with Voltex Mazda RX-7 (FD3S) 53.489 225.894
9 HKS Mitsubishi Lancer Evolution IX CT230R 53.589 228.xxx[11]
10 Revolution Mazda RX-7 (FD3S) 53.673 225.894[12]
11 Friends Racing Nissan Silvia (S15) 53.821 223.602
12 Kyushu Danji Honda NSX (NA2) 54.101 222.635[13]
13 DLanguage Subaru Impreza (GRB) R205 54.115 225.282
14 Admix Racing Service with Seyamax Nissan Skyline GT-R (BNR32) 54.118 221.584[14]
15 Autech Tsukada (ATTKD) Nissan Skyline GT-R (BNR32) 54.145 232.909[15]
16 Sakamoto Engineering Mazda RX-7 (FD3S) 54.252 225.282[16]
17 Sun Automobile with Garage HRS Mitsubishi Lancer Evolution VII CyberEVO 54.392 ---.---
18 M Speed Nissan Skyline GT-R (BNR34) 54.481 229.348
19 Endless Mazda RX-7 (FD3S) 54.483 212.014[17]
20 Top Fuel Racing Mazda RX-7 (FD3S) 54.585 224.439

In popular culture[edit]

Tsukuba Circuit has appeared in numerous video games, including iRacing, Forza Motorsport, 2, 3, and 4, Gran Turismo 4, PSP, 5, 6, and Sport, Tourist Trophy, Enthusia Professional Racing, rFactor, Assoluto Racing, and D1 Grand Prix.

The track is commonly used for tuner events and has appeared in the final installment of the Shuto Kousoku Trial series, SKT Max. The circuit has also gained popularity because of its use by Best Motoring to test and race a variety of vehicles.


  1. ^ a b "Tsukuba Circuit". Moto Racing Japan. Retrieved 2006-11-06.
  2. ^ a b c d "Go! Go! Speed Racer!". Ibaraki Prefecture. Retrieved 2006-11-06.
  3. ^ "What is the Tsukuba Circuit?". She Japan. Retrieved 2006-11-06.
  4. ^ a b c Time Attack FAQ's Archived 2007-09-12 at the Wayback Machine
  5. ^ https://www.youtube.com/watch?v=DQ9dXIWRiO0
  6. ^ https://www.youtube.com/watch?v=rrGZn5RVwbU
  7. ^ https://www.youtube.com/watch?v=Sn7WhukUNlA
  8. ^ https://www.youtube.com/watch?v=Xg4OoKnzvZs
  9. ^ https://www.youtube.com/watch?v=adPNm-ZJmpk
  10. ^ https://m.youtube.com/watch?v=y1o7sMQQvb4&feature=youtu.be
  11. ^ https://www.youtube.com/watch?v=xci_anRJV1A
  12. ^ https://www.youtube.com/watch?v=Kd-AnG3LYUg
  13. ^ https://www.youtube.com/watch?v=HRgxFyRJ-Lw
  14. ^ https://www.youtube.com/watch?v=62BDawQjwHA
  15. ^ https://www.youtube.com/watch?v=a-B9nMEkeVI
  16. ^ https://www.youtube.com/watch?v=OCO1BGUKqXQ&list=PL_TdfZKRDV4udSM86-pHXVWWTiQ4koapE
  17. ^ https://www.youtube.com/watch?v=S2xoDsB8Cvg

External links[edit]

Coordinates: 36°09′6″N 139°55′17″E / 36.15167°N 139.92139°E / 36.15167; 139.92139