Meet the Harbor Circuit karts.Meet the Harbor Circuit karts.Meet the Harbor Circuit karts.

Makuhari RT-10 (14 karts) / Kisarazu RT-8 (12 karts)

Adult kart

For drivers aged 15+ and at least 145cm tall. The standard kart for first-timers and experienced drivers.

Makuhari LR-6 (10 karts) / Kisarazu LR-5 (13 karts)

Junior

For drivers aged 7+ and at least 120cm tall. Adults can drive these too, so parents and children can race in the same class.

Makuhari KIDRACER (4 karts) / Kisarazu KIDRACER (2 karts)

Kids

Drive solo from age 4, or ride from age 2 with someone aged 18+. Two-person rides cost an extra 300 yen.

Kisarazu only · 2DRIVE (1 kart)

Two-person

Drivers must be 18+ and hold an ordinary driving license or Grade B or above. Passengers must be 5+ and at least 110cm tall.

Makuhari only · PRO-KIDS (2 karts)

Pro Kids

Step up to this advanced kids kart with Kids Grade A or above, or from age 7.

Makuhari only · RSX (1 kart)

EV kart

An electric kart for drivers with Grade A or above. Each session lasts four minutes.

Makuhari SR-4 (1 kart) / Kisarazu SR-4 (1 kart)

PRO kart

For drivers aged 15+, 145cm+, and Grade A or above.

Makuhari only · DRIFT KART (2 karts)

Drift kart

For drivers aged 15+ or Junior Grade A and above.

Special and limited-time vehicles may also be available by venue.

Even if you meet the age and height requirements, we may refuse permission to drive if the seat does not fit, you cannot reach the steering wheel or pedals, or the seat belt cannot be fastened. You cannot drive if you have consumed alcohol, are pregnant, or have a physical condition, impaired movement or impaired judgment that affects your ability to drive.