View data as of
Thunder
MI
Historical data for the Thunder trail at Boyne Mountain.
Status Timeline
Current Season
Closed(3)
Open(4)
Groomed(3)
Recent Changes
Mar 16, 2026, 12:31 PMLatest
Closed→Open
Mar 16, 2026, 06:31 AM
Open→Closed
Mar 15, 2026, 05:31 AM
Groomed→Open
Mar 12, 2026, 05:31 AM
Closed→Groomed
Mar 11, 2026, 10:01 AM
Groomed→Closed
Jan 23, 2026, 05:30 AM
Open→Groomed
Jan 8, 2026, 07:00 AM
Groomed→Open
Jan 1, 2026, 06:00 AM
Open→Groomed
Dec 20, 2025, 05:30 AM
Closed→Open
Oct 12, 2025, 03:23 AM
Closed
Statistics
Trail Season Length89 days
Number of Days in Each State
Closed
70 daysOpen
31 daysHold
0 daysGroomed
57 daysUnknown
0 days