THURSDAY, JULY 2
Hike at Sunset. 6:30 p.m. Bald Mountain Scenic Area, Sunshine Canyon Drive, Boulder, 303-678-6214.
Disc Brakes 101. 6:30 p.m. Community Cycles, 2805 Wilderness Place, Suite 1000, Boulder, 720-565-6019.
SATURDAY, JULY 4
Endurance House Longmont Half Marathon and 5K. 5 a.m. Dawson Park at McIntosh Lake, 1757 Harvard St., Longmont, www.lmhalf.com.
Earn Your Independence 10K, 5K Run and Volleyball Tournament. 6 a.m. Boulder Reservoir, 5565 N. 51st St., Boulder, www.bbscrun.com.
Superior Mile. 6 a.m. Rock Creek Parkway, Superior, www.flatironsrunningevents.com/races/superior-mile/.
Let Freedom Run 5K, 10K and Kids Run. 7 a.m. Streets Fitness, 480 W. Dahlia St., Louisville, www.letfreedomruncolorado.com.
SUNDAY, JULY 5
REI: Introduction to Mountain Biking Class — Level 1. 8 a.m. Flatirons Vista, 3663 CO Highway 93, Boulder. Email Denver-OS@rei.com for more information.
Wildflowers of Caribou Ranch. 9 a.m. Caribou Ranch Open Space, Caribou Road, Nederland, 303-678-6214.
WEDNESDAY, JULY 8
Matt Kepnes — How to Travel the World on $50 a Day. 7:30 p.m. Boulder Book Store, 1107 Pearl St., Boulder. 303-447-2074.
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