Tsukuba Circuit

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Tsukuba Circuit
Location Shimotsuma, Ibaraki, Japan
Time zone JST, UTC, GMT +9
Major events MFJ Superbike
Tsukuba 1000
Tsukuba Super Lap
Length 2.045 (without chicane)
2.070 (with chicane)[1] km (1.287 mi)
Turns 14[2]
Race lap record 44.008 seconds (Kamui Kobayashi, Dallara SF14, 2015)

The Tsukuba Circuit 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, has 32 pits and the longest straight is 437 metres (0.272 mi) long.[1] There is a small chicane corner that is used for motorcycle racing only and increases the 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]

The track has appeared in numerous video games, including Forza Motorsport, 2, 3, and 4, Gran Turismo 4, Gran Turismo PSP, Gran Turismo 5, 6, and Sport, Tourist Trophy, Enthusia Professional Racing, rFactor, Assetto Corsa 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 heavy use by Best Motoring to test and race a variety of vehicles.

A satellite image of Tsukba Circuit in 1990

Time Attack[edit]

Time Attack (alternatively known as Super Lap or Tuner Battles) originated in Japan when the tuning media organized the event on race circuits such as Tsukuba Circuit, where it commonly occurs, 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 cars especially to use to beat the competition,[4] including the purpose built HKS CT230R Lancer Evolution, with its body made entirely out of carbon fibre. The official lap record is held by the Autobacs ARTA NSX, which ran a 51.8 second lap. This lap was beaten on Boxing Day 2015 by Tomohiko "Under" Suzuki and the Scorch Racing Team S15 with a time of 51.127 seconds on Yokohama Advan A050 Semi-Slick Tires.

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 cars consist of modified roadgoing cars, cars are required to wear tires authorized for road use and in all, drivers are allocated to three laps in a final event run; warm-up, timed and cool-down.[4]

Time Attack Results[edit]

2007 17th Annual Revspeed Super Battle at Tsukuba Circuit

Pos No Garage Car Best lap (sec) Top speed (km/h)
1 13 M-Speed R34 Nissan Skyline GT-R 55.23 227.282
2 1 Garage HRS SUN Auto Cyber Evo CT9A Mitsubishi Lancer Evolution 55.864 220.678
3 22 Pro-Staff R Magic FD3S Mazda RX-7 55.947 217.742
4 12 Nagisa Auto R34 Nissan Skyline GT-R 56.510 227.082
5 16 Kurumakobou Decide R33 Nissan Skyline GT-R 56.630 233.615
6 14 Garage Kagotani R34 Nissan Skyline GT-R 56.833 227.416
7 xx HKS Mitsubishi Lancer Evolution X CZ200S 57.261 xxx.xxx
8 31 Autobacs ASM Honda S2000 57.398 188.055
9 18 Best Motor Sports R32 Nissan Skyline GT-R 57.422 220.994
10 15 Hosaka Tuning Factory R33 Nissan Skyline GT-R 57.504 224.346
11 17 Keiyo Jiko R32 Nissan Skyline GT-R 57.658
12 3 Jun Automechanics CT9A Mitsubishi Lancer Evolution 57.824 211.640
13 19 Auto Gallery Yokohama R32 Nissan Skyline GT-R 58.081 223.8
14 21 Garage Ito R32 Nissan Skyline GT-R 58.282 216.650
15 5 Varis CP9N Mitsubishi Lancer Evolution 58.456 211.102
16 4 Stillway CT9A Mitsubishi Lancer Evolution 58.484 204.468


  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.

External links[edit]

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