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Motegi Short Course Championship MOTEGI Short Course Championship

Notice of Cancellation of the Postponed Round 1

Thank you very much for your continued participation in the Motegi Short Course Championship.

Regarding Round 1, which was postponed due to snowfall (originally scheduled for March 9), we had planned to hold it on December 21 (Sun). However, after receiving numerous concerns about safety related to holding the event in winter and conducting careful internal discussions, we regret to inform you that the event has been cancelled.

We sincerely apologize for the great inconvenience caused to everyone who was considering participating.For the refund procedures for those who have already paid the entry fee, please check the official notice 【No.4】 (PDF: 325KB) here.

Motegi Short Course Championship

A mini bike race series consisting of 5 events held throughout the year, taking place on the North Short Course.
Each event (1 day) features a sprint race and
a endurance race.

2025 Event Schedule

Annual Entry Acceptance Period: 2/2 (Sun) - 2/16 (Sun)

NEWS Latest Information

CLASS Class Schedule

  • SP・NSF100SP

    Mixed class with modified vehicles with 50cc 2-stroke engines and wheel diameters of 12-17 inches, and HRC-made 4-stroke mini bike racer "NSF100".

  • NSF100 HRC Trophy

    One-make class with HRC-made 4-stroke mini bike racer "NSF100"

  • HRC GROM Cup Advance Class

    One-make class with HRC's competition-only production racer "HRC GROM"
    Tires are DUNLOP one-make
    Advance class is an advanced class for riders who exceed the standard lap time of 49 seconds.

  • HRC GROM Cup Rookie Class

    One-make class with HRC-manufactured competition-only production racer "HRC GROM"
    Tires are DUNLOP one-make
    Rookie class is an introductory class for riders who have a standard lap time of less than 49 seconds

  • Challenge Expert

    Challenge class with a designated lap time that exceeds 48 seconds
    Class for vehicles with 50cc 2-stroke or 100cc 4-stroke engines with a mission
    If the engine can be installed without any modifications to the frame or stays, the combination of frame and engine is not restricted.

  • Challenge 48

    Challenge class with a set lap time of 48 seconds
    Class for vehicles with 50cc 2-stroke or 100cc 4-stroke engines with a mission
    If the engine can be installed without any modifications to the frame, such as brackets, then the combination of frame and engine is not restricted.

  • Challenge 50

    Challenge class with a designated lap time of 50 seconds
    Class for vehicles with 50cc 2-stroke or 100cc 4-stroke engines with a mission
    If the engine can be installed without any modifications to the frame or stays, the combination of frame and engine is not restricted.

  • Challenge 52

    Challenge class with a set lap time of 52 seconds
    Class for vehicles with 50cc 2-stroke or 100cc 4-stroke engines with a mission
    No modifications to the frame or stays are allowed for the engine to be installed, as long as it is an unmodified engine that can be installed on the frame at the time of manufacturer's shipment.

  • 48 Hours Endurance

    90-minute endurance class with a designated lap time of 48 seconds.
    Vehicle regulations are the same as the Challenge Class, with registration open for up to three riders.

  • 49 Hours Endurance

    90-minute endurance class with a designated lap time of 49 seconds
    Vehicle regulations are the same as the Challenge Class, with registration available for up to three riders

  • GROM Cup Endurance

    90-minute endurance class with HRC-manufactured competition-use commercial racer "HRC GROM"
    Vehicle regulations are the same as HRC GROM Cup, with registration possible for up to 3 riders

  • TAN (Solo Endurance)

    Registration for only one rider in the 90-minute endurance class.
    Vehicle regulations are the same as the Challenge Class, with two mandatory pit stops of 15 minutes each.