August 29 - September 1, 2025
4 days of exciting and challenging racing
in the green mountains of Vermont
Registration opening in early June!
Registration for the 2025 GMSR is now open! You can register on Bikereg.
Click here to read our latest email with changes to this year’s event.
Please see the GMSR Facebook page for the latest information about this year’s GMSR.
Thanks to Our Sponsors
