« All Events 11th Annual Summer Trails Challenge June 1, 2026 @ 12:00am - June 30, 2026 « Red Shahan Colorado College Bluegrass Ensemble » 11th Annual Summer Trails Challenge Monday, June 1, 2026 12:00 AM Tuesday, June 30, 2026 11:59 PM https://www.gvlt.org/events/summer-trails-challenge-2026 + Google Calendar+ Add to iCalendar Details Start: June 1 @ 12:00am End: June 30 @ 12:00pm Event Category: Miscellanea Venue Gallatin Valley Trails Bozeman, MT United States + Google Map