All proceeds of this event support the stewardship provided by the Thunderbolt Ski Runners of the mountain bike and ski trails around the Greylock Glen and Mt. Greylock.

Thunderbolt Ski Runners
Become a part of something big!
Membership
Sponsorship
Volunteer

Help us protect and preserve these lands for future generations.
To preserve the integrity and continue the legacy of the Thunderbolt Ski Run
Like us on Facebook to see what we are up to or subscribe to our newsletter below!