THURSDAY, APRIL 3
Box Bike Build — Building a new bike right out of the box. 6:30 p.m. Community Cycles, 2805 Wilderness Place Ste. 1000, Boulder, register at www. communitycycles.org.
Fitness for Living Boot Camp — Outdoor fitness sessions held weekdays mornings. 6 a.m.
Boulder and Lafayette locations, www.fitliv.com.
Hike, Ski and Packraft Across Iceland. — 8 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
SATURDAY, APRIL 5
Mechanics 101 — The basics of bike maintenance. 10 a.m. Community Cycles, 2805 Wilderness Place Ste. 1000, Boulder, register at www.communitycycles.org.
Westminster — Half marathon walk or run and 5K. Start times at 7 a.m., 8 a.m. and 9 a.m. Standley Lake, Westminster, www.redlinerunningcompany.com.
Wildlands Restoration Volunteers Crew Leader Training. Eldorado Canyon State Park, 9 Kneale Road, Eldorado Springs, 303-543-1411. Also April 6.
TUESDAY, APRIL 8
Boulder Light-Packers — Lightweight backpacking and adventure. 6 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
Dash & Dine 5K Race — Tuesday night tune-ups for running season. 6:30 p.m. Boulder Reservoir, 5565 N. 51st St., Boulder, www.withoutlimits.co.
Packing Light Clinic. 7 p.m. Changes in Latitude Travel Store, 2525 Arapahoe Ave., Boulder, 303-786-8406.
After the Flood: Boulder Open Space and Mountain Parks. 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.”