When: Sun., Sept. 18, 12-6 p.m. 2016
Cyclists hit mountain bike trails ranging from 7 to 20 miles to benefit Cure AHC, a nonprofit dedicated to curing alternating hemiplegia of childhood. A five-mile trail run and kids' activities round out the event. Registration, 11 a.m.; ride, noon.
Price: Minimum $75 in funds raised.