THURSDAY, JUNE 27
Hike for Seniors — No registration necessary. 10 a.m. Mud Lake Open Space, Nederland, 303-678-6214.
Muddy Buddy Basics. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
Stroke and Stride — Competitive swim and run. 6 p.m. Boulder Reservoir, 5565 N. 51st St., Boulder, www.withoutlimits.co.
FRIDAY, JUNE 28
Clips Beer and Film Tour — Handmade films, handmade beers. 8 p.m. Twenty Ninth Street mall, Boulder, www.newbelgiumclips.com.
SATURDAY, JUNE 29
Cystic Fibrosis Foundation Climb for Life. 7 a.m. registration, 8 a.m. start. Sports Authority Field at Mile High, Denver, www.cff.com.
Circle of Stones Hike: A Woman’s Journey to Herself. 9:30 a.m. Meeting location provided at registration, Boulder County, 303-678-6214.
Elk Meadow Trail Race 5K & 10K. Elk Meadow Open Space, start at Buchanan Park Recreation Center near Pioneer Trailhead, Evergreen, www.evergreenrecreation.com.
Sonic Boom Race — Criterium. 6:30 a.m. check-in opens. Main and Walnut streets, Louisville, www.usacycling.org/events.
SUNDAY, JUNE 30
Drivetrain Cleaning and Lubrication. 9 a.m. Community Cycles, 2805 Wilderness Place, Ste. 1000, Boulder, 720-565-6019.
Lyons River Run 5K. 8 a.m. Lyons Visitor Center, 4th Avenue and Broadway, Lyons, www.townoflyons.com.
TUESDAY, JULY 2
Mark Obmascik — Author of Halfway to Heaven: My Whiteknuckled — and Knuckleheaded — Quest for the Rocky Mountain High. 7 p.m. Chautauqua Community House, 900 Baseline Road, Boulder, 303-440-7666.
WEDNESDAY, JULY 3
Hike at Sunset — Heil Valley Ranch. 6:30 p.m. Lichen Loop Trail at Heil Valley Ranch, Boulder, 303-678-6214.
To list your event, send information to: email@example.com. attn: “Adventure.”