THURSDAY, MAY 2
Dirty Thursday Road — Mountain and road biking with the Boulder Cycling Club. 6 p.m. Old Chicago, 100 Superior Plaza Way, Superior, www.bouldercyclingclub.org.
Hiking the Colorado Trail — With Dan and Elaine Vardamis. 7 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
FRIDAY, MAY 3
Barefoot Walking, Hiking and Earthing — With Michael Sandler and Jessica Lee. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
SATURDAY, MAY 4
Diva Dash. 7:30 a.m. BohnPark, 219 2nd Ave., Lyons, www.divadash.com/city/boulder/.
Fly Fishing Classes — Free. 9 a.m. The Orvis Company, 629B S. Broadway, Boulder, 303-554-0122.
Geology of Rabbit Mountain — A moderately strenuous 3-mile hike. 9 a.m. Rabbit Mountain Open Space, 303-678-6214.
Maintaining and Upgrading Your Road Bike. 9 a.m. Community Cycles, 2805 Wilderness Pl., Ste. 1000, Boulder, 720-565-6019.
SUNDAY, MAY 5
Spring Wildflower Hike. 10 a.m. Legion Park Open Space, Arapahoe Road west of 75th Street, Boulder, 303-678-6214.
TUESDAY, MAY 7
A Central Europe Tour: Prague, Budapest, Krakow & More. 7 p.m. Changes in Latitude Travel Store, 2525 Arapahoe Ave., Boulder, 303-786-8406.
Dine and Dash Tuesday Evenings — With City of Boulder Parks and Recreation. 5 p.m. Boulder Reservoir, 5565 N. 51st St., Boulder, 303-413-7200.
Map and Compass Navigation Basics. 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.”