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Greylock Go-Around 50K MTB Fundraiser
October 3 @ 9:00 am – 5:00 pm
Circumnavigate the highest point in Massachusetts at the 2026 Greylock Go Around 50K, a Mountain Bike Fundraiser for Thunderbolt Ski Runners:
- $75 for non-members, $50 for members
- Start Greylock Glen Outdoor Center and Finish at Greylock Glen Gazebo
- 7:30am-8:30am sign in
- Start time: 9:00am
- Mountain Bike required
- Riders must wear a properly fitted helmet
- Basic toolkit (multitool, tube, pump, CO2) encouraged
- 150 registration cap
- 3 Aid Stations on course with food and hydration and limited tech support
