Tsukuba (筑波) is the home course of Purple Shadow. It is located at the center of Tsukuba, Ibaraki. Purple Shadow's race is held at Mount Tsukuba's Fruits Line, which spans Oshito, Tsuchiura and Shibauchi, Ishioka.

Tsukuba

Downhill Battle

Takumi Fujiwara(AE86) vs Dr. Toshiya Joshima(AP1)

Result Fujiwara overtakes despite breaking his suspension, due to Joshima pulling over to vomit

Uphill Battle

Keisuke Takahashi(FD3S) vs Kozo Hoshino(BNR34)

Result Hoshino forfeits