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  • An athlete with goggled climbing up the hill at the Tough Mountain Challenge at Sunday River.
    Walls, Hills, Hurt

    Tough Mountain Challenge

    Think you're tough enough at 7:30AM? Heats kick off then, so quit sleeping in and show up ready.

    2027 RegistrationNeed More Info?
  • A young child competing in the Mini Mountain Challenge
    Let the kids loose

    Mini Mountain Challenge

    This one's for the kids! Registration for 2027 is now open.

    2027 RegistrationNeed More Info?
  • A group of athletes finishing the line of the Tough Mountain Challenge
    All the Dirty Details

    About The Race

    Need more convincing? Okay, here are some more details.

    Don't Chicken Out