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See You In July

Registration Now Open


THE MOST AWESOME EVENT ON THE PLANET

TOUGH MOUNTAIN CHALLENGE

CAN YOU HANDLE IT? Tough Mountain Challenge has been the most popular and fun adventure obstacle race in New England since 2010. Set in the mountains of Maine, The Tough Mountain Challenge delivers mud, sweat, and beer to 3,600 competitors every year.

Are you tough enough to complete the challenge? The next event is on Saturday, July 26, 2025.

Get Tough, Get Lucky

Sign up for the 2025 Tough Mountain Challenge for the chance to win incredible prizes, including a new camper, Red Sox tickets, and more!

Registration automatically enters you into the prize drawing on July 26 at 5:30PM.

Participants must be 18 or older, and present, to win.

More information coming soon!

A guy participating in the Tough Mountain Challenge at Sunday River.
Glowsticks hanging from a feature at the Tough Mountain Challenge.
Participants running uphill at the Tough Mountain Challenge.
Participants at the starting line at Sunday River's Tough Mountain Challenge.
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  • A group of athletes ready for the Tough Mountain Challenge
    Tough Mountain Challenge

    The Stuff Of Nightmares

  • A young child competing in the Mini Mountain Challenge
    Mini Mountain Challenge

    Little Daredevils

  • A group of athletes finishing the line of the Tough Mountain Challenge
    About The Race

    All The Dirty Details

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