THURSDAY, MAY 15
Rock Climbing in Rocky Mountain National Park. 8 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
SATURDAY, MAY 17
National Kids to Parks Day — Various programs throughout the day. Boulder, www.bouldercolorado.gov.
National MS Society’s Sam’s Club Walk MS Boulder County. 9:30 a.m. CU Boulder Visual Arts Center, Boulder, www. walkmscolorado.org.
Neptune Mountaineering 2014 Spring Gear Swap. 12 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
Spring Into Service 2014 — With Colorado Mountain Club. 8 a.m. to 4 p.m. Apex Park, Heritage Boulevard below Heritage Square, www.cmc.org.
Summer Open Spring Triathlon. Waves begin at 7:30 a.m. Union Reservoir, Longmont, www.withoutlimits.co.
Wildflower Hike. 10 a.m. Rabbit Mountain Open Space, northeast of Lyons on north 55th Street, Lyons, 303-678-6214.
Wildlands Restoration Volunteers Crew Leader Training. Red Rocks Denver Mountain Park, www.wlrv.net.
Wheel Truing. 9:30 a.m. Community Cycles, 2805 Wilderness Place, Suite 1000, Boulder, 720-565-6019.
SUNDAY, MAY 18
bRUNch Boulder. 9:15 a.m. Centro Latin Kitchen, 950 Pearl St., Boulder, http://brunchrunning.com.
Fossils and Flowers — A short, moderately strenuous hike. 9:30 a.m. Location provided with registration at 303-678-6214.
Newcomers’ Hike to a Flatiron. 4:30 p.m. Chautauqua Ranger Cottage, 900 Baseline Road, Boulder, www.bouldercolorado.gov.
TUESDAY, MAY 20
Dine & Dash 5K Race. 6:30 p.m. Boulder Reservoir, 5565 N. 51st St., Boulder, www. withoutlimits.co.
To list your event, send information to: firstname.lastname@example.org. attn: “Adventure.”