Register to join us at the Tri-State Trek June 24-25! The Tri-State Trek is a weekend bike ride to benefit ALS research at the ALS Therapy Development Institute (ALS TDI). 

This inspiring community weekend offers beginner to advanced ride options that travel through the states of Massachusetts, New Hampshire, and Maine.

Our newly designed Trek offers cyclists an unforgettable weekend of athleticism, camaraderie, and dedication to supporting vital ALS research. 

The Tri-State Trek is a fully supported bike ride that provides riders with fundraising tools, meals and snacks at rest stops along the route and at camp, and more! Choose to ride 1 or 2 days with options to cover roughly 30 or 100 miles per day. Ride with a team or as an individual and become part of our #Trekfamily.

Register at https://tst.als.net/