THURSDAY, NOVEMBER 21
Jonathan Waterman’s Northern Exposures — Featuring images from unprecedented mountain ascents. 8 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
SATURDAY, NOVEMBER 23
10K Turkey Trek. 8:30 a.m. Ralston Creek Trail, Long Lake Ranch Park, Arvada, firstname.lastname@example.org.
Derailleurs and Shifters — Tuning your own derailleurs. 9 a.m. Community Cycles, 2805 Wilderness Pl., Ste. 1000, Boulder, 720-565-6019.
Panicking Poultry Turkey Trot — Five-mile run. 7:30 a.m. registration opens. Boulder Reservoir, 5565 N. 51st St., Boulder, www.panickingpoultry.com.
To list your event, send information to: email@example.com. attn: “Adventure.”