Thursday, Oct. 8
Youth “Earn-a-Bike” Program. Community Cycles, 2805 Wilderness Pl., Boulder, 720-565-6019.
Friday, Oct. 9
Colorado Avalanche Information Center Social & Fundraiser With beer, light appetizers and showing of The Fine Line. Neptune Mountaineering, 633 S. Broadway, Ste. A, Boulder, 303-499-8866.
Saturday, Oct. 10
Boulder Cycling Club Saturday Morning Road Bike Ride. Bicycle Village, 2100 28th St., # B-C, Boulder, 303-875- 2241.
Gear Swap & Tundra Sale. Neptune Mountaineering, 633 S. Broadway, Ste. A, Boulder, 303-499-8866.
Pella Crossing: History and Habitat. Pella Crossing Open Space, one mile south of Hygiene on the east side of N. 75th Street, 303-678-6200.
The Riches of the Tallgrass Prairie Easy hike/stroll to find out what makes our prairie globally unique. South Boulder Creek West, 0.5 miles north of the intersection of Hwy. 93 and Eldorado Springs Dr., 303-441- 3440.
Sunday, Oct. 11
Boulder Road Runners Sunday Group Run. Meet at First National Bank, 3033 Iris Ave., Boulder, www.boulderroadrunners.org.
Fire on the Mountain Join Dave Sutherland and Chris Wanner for a special tour of the prescribed burn area at Shanahan Ridge, call 303-441-3440 for more info.
Tuesday, Oct. 13
Images of Tajikistan & Uzbekistan Clyda Stafford will present photos of the Boulder/Dushanbe Sister Cities trip. Changes in Latitude, 2525 Arapahoe Rd., Boulder, 303-786-8406.
Tuesday Hiking. North Boulder Park, 7th and Dellwood streets, Boulder, 303-494- 9735.
Wednesday, Oct. 14
Pearl Street Runners. Meet at 6:15 p.m. for 5k run. Conor O’Neill’s, 1922 13th St., Boulder. www.pearlstreetrunners.com.
To list your event, send information to: email@example.com. attn: “Elevation.”