THURSDAY, OCTOBER 11
Rare Plant Conservation: Saving Colorado’s Wildflowers. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
Radical Reels World Tour. 7 p.m. American Mountaineering Center, 710 10th St., Golden, www.cmc.org/rad.
Ski the Himalayas — Movie. 8 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
FRIDAY, OCTOBER 12
Radical Reels World Tour. 7 p.m. American Mountaineering Center, 710 10th St., Golden, www.cmc.org/rad.
SATURDAY, OCTOBER 13
24 Hours of Boulder — 24 hours of racing on a flat course, 7.14-mile lap. 6:30 a.m. Boulder Reservoir, 5565 N. 51st St., Boulder, www.geminiadventures.com.
Fire on the Mountain — One-mile hike to learn about the role of fire in ponderosa pine forests. 10 a.m. Bald Mountain Scenic Area, Boulder, 303-678-6214.
Nature Journaling and Mandalas. 9 a.m. Location given at registration, 303-413-7657.
Rocky Mountain Arsenal National Wildlife Refuge — Wildlife activities and booths, preview of Wildlife Drive, for National Wildlife Refuge Week. 10 a.m.– 4 p.m. www.fws.gov/rockymountainarsenal.
SUNDAY, OCTOBER 14
Autumn Colors on Goshawk Ridge — Moderately strenuous four-mile hike. Location given at registration, www.naturehikes.org.
Bears in Our Backyard — 1.5-mile hike. 10 a.m. Heil Valley Ranch Open Space, Boulder, 303-678-6214.
National Wildlife Refuge Week. Through Oct. 20. www.fws.gov.
TUESDAY, OCTOBER 16
Spain — Monasteries turned Pensions. 7 p.m. Changes in Latitude Travel Store, 2525 Arapahoe Ave., Boulder, 303-786-8406.
Running for Brews — Opening night. 7 p.m. Walnut Brewery, 1123 Walnut St., Boulder, www.runningforbrews.com.
Traveling Light. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
WEDNESDAY, OCTOBER 17
Peace Corps: Life is Calling. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
To list your event, send information to: [email protected]. attn: “Adventure.”