MTB⚠ Needs verification
Trail-Work Days
Volunteer trail-building days — see calendar
📍 Rotating Helena-area trailheads
Beginner-friendlyFreeSummer
Montana Bicycle Guild
Helena’s mountain-bike advocacy nonprofit — builds and maintains the South Hills and Scratchgravel trail networks, hosts trail-work days, and runs the Montana Enduro Series.
MTB⚠ Needs verification
Montana Enduro Series
Summer enduro race series — see schedule
📍 Rotating Montana venues
PaidSummer