Thursday, October 24
The Abominable — Reading by author Dan Simmons. 7:30 p.m. Boulder Book Store, 1107 Pearl St., Boulder, 303-447-2074.
Saturday, October 26
Clever Corvids — Learn about ravens, crows, jays and magpies on a two-mile hike. 10 a.m. Betasso Preserve, Boulder Canyon (Highway 119) to Sugarloaf Road, follow signs to Betasso Preserve, 303-678-6214.
Eerie Erie — 10K, 5K, Goblin run. Registration begins at 7:30 a.m. Erie Middle School, 650 Main St., Erie, www.erieoptimists.org.
Monster Dash — 10K, 5K and Kids Race. Registration begins at 1 p.m. Starting line at The Melting Pot, 732 Main St., Louisville, www.monsterdashrun.com.
Tuesday, October 29
River Cruise: Moscow to St. Petersburg. 7 p.m. Changes in Latitude Travel Store, 2525 Arapahoe Ave., Boulder, 303-786-8406.
Zombie Apocalypse Preparedness. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
To list your event, send information to: email@example.com. attn: “Adventure.”