Thursday, October 10
Elk Mountain Traverse Preview — A 42-mile backcountry skiing race. 8 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
Friday, October 11
Teton Gravity Research’s Way of Life. 7 p.m. Boulder Theater, 2032 14th St., Boulder, 303-786-7030.
Saturday, October 12
24 Hours of Boulder — All-day, all-night endurance race. Boulder Reservoir, 5565 N. 51st St., Boulder, 303-413-7200.
Bicycling and the Zombie Apocalypse. 9 a.m. Community Cycles, 2805 Wilderness Pl., Ste. 1000, Boulder, 720-565-6019.
LoziLu Women’s Mud Run. 9 a.m. Dick’s Sporting Goods Park, 6000 Victory Way, Commerce City, www.lozilu.com.
Sunday, October 13
Skirt Scurry 5K — For CU Field Hockey. 9:30 a.m. race start. South Campus, University of Colorado Boulder, www.colorado.edu/studentgroups/fieldhockey/5kRace.htm.
Tuesday, October 15
Mountain Gorillas of Uganda. 7 p.m. Changes in Latitude Travel Store, 2525 Arapahoe Ave., Boulder, 303-786-8406.
To list your event, send information to: [email protected]. attn: “Adventure.”