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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 those who have already paid the entry fee, please check the refund procedure in the official notice No.4 (PDF: 325KB) available here.

Motegi Short Course Championship

A mini bike race series held on the North Short Course
consisting of 5 events throughout the year.
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 a displacement of 50cc and 2-stroke transmission and HRC-made 4-stroke mini bike racer "NSF100" with wheel diameter of 12-17 inches.

  • NSF100 HRC Trophy

    One-make class featuring the 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 commercial racer "HRC GROM"
    Tires are DUNLOP one-make
    Rookie class is an introductory class for riders who fall below the standard lap time of 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 transmissions
    No modifications to the frame or stays are allowed for vehicles with unmodified engines that can be mounted without modifications to the frame or engine, regardless of the combination of frame and engine at the time of manufacturer's shipment

  • Challenge 48

    Challenge class with a designated lap time of 48 seconds
    Class for vehicles with 50cc 2-stroke or 100cc 4-stroke engines with transmission
    No restrictions on frame and engine combination as long as the engine can be installed without any modifications to the frame or stays at the time of manufacturer's shipment

  • 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 designated lap time of 52 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.

  • 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 allowed for up to 3 riders

  • GROM Cup Endurance

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

  • TAN (Solo Endurance)

    90-minute endurance class for registered riders only
    Vehicle regulations are the same as the Challenge Class, with two mandatory pit stops of 15 minutes each