THURSDAY, JUNE 20
Corporate Challenge Colorado — 8K road race. 650 S. Taylor Ave., Louisville, www.corporatechallengecolorado.com.
Diamond Reflections — A gathering in remembrance of Layton Kor. 7-10 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
Stroke and Stride — Competitive swim and run. 6 p.m. Boulder Reservoir, 5565 N. 51st St., Boulder, www.withoutlimits.co.
Watershed — A film on the Colorado River. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
FRIDAY, JUNE 21
Diamond Reflections — A gathering in remembrance of Layton Kor. 7-10 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
SATURDAY, JUNE 22
Celebrate Summer Hike at Mud Lake — Easy two-mile hike. 10 a.m. Mud Lake Open Space, Nederland, 303-678-6214.
Loveland Lake to Lake Triathlon — 1.5K swim, 30-mile bike ride, 10K run. 5 a.m. Loveland High School, 920 W. 29th St., Loveland, www.lovelandlaketolake.com.
Visit to the Flagstaff Fire — Strenuous all-day hike with naturalist. 9 a.m. – 4 p.m. Boulder, registration required at www.naturehikes.org.
SUNDAY, JUNE 23
TriBoulder — Sprint and Olympic individual and relay events. 6 a.m. Boulder Reservoir, 5565 N. 51st St., Boulder, www.bbsctri.com/triboulder.
TUESDAY, JUNE 25
Bike Maintenance Basics. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
Five for Fire 5K Fun Run Series — A 5K to benefit Wildlands Restoration Volunteers. 6:30 p.m. 303 Vodka, 2500 47th St., Unit 10, Boulder, www.r2dg.org.
Hike at Sunset — With volunteer naturalists to talk about the history, geology, ecosystems, wildlife and plants. 6:30-8:30 p.m. Pella Crossing Open Space, Boulder County, 303-678-6214.
Trekking the Annapurna Circuit in Nepal. 7 p.m. Changes in Latitude Travel Store, 2525 Arapahoe Ave., Boulder, 303-786-8406.
WEDNESDAY, JUNE 26
Bike to Work Day. 6:30-9 a.m. Free breakfast at 50 stations around Boulder, www.biketowork2013.org.
To list your event, send information to: [email protected]. attn: “Adventure.”