THURSDAY, August 15
Long’s Peak: Easier (but not the easiest) Routes. 7 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
Sunset Hike at Walker Ranch. 6:30 p.m. Walker Ranch Homestead, 7701 Flagstaff Road, Boulder, 303-678-6214.
FRIDAY, August 16
Clips Beer and Film Tour — Fundraiser for Community Cycles. 4:30 p.m. Millennium Harvest House, 1345 28th St., Boulder, www.communitycycles.org.
SATURDAY, August 17
Back to School Family Ride. 9 a.m. Community Cycles, 2805 Wilderness Pl., Ste. 1000, Boulder, 720-565-6019.
Conifers of Caribou — Two mile hike in montane forest. 10 a.m. Caribou Ranch Open Space, Nederland, 303-678-6214.
Leadville Trail 100 Run — The “Race Across the Sky.” 4 a.m. race start, 6th and Harrison streets, Leadville, www.leadvilleraceseries.com.
Warrior Dash Colorado — Obstacle Race. 8:30 a.m. Copper Mountain Ski Resort, 209 Ten Mile Circle, Copper Mountain, www.warriordash.com.
TUESDAY, August 20
Five for Fire 5K. 6:30 p.m. 303 Vodka, 2500 47th St., Unit 10, Boulder, www.r2dg.org.
WEDNESDAY, August 21
Bare Bones Swim. 7 a.m. Boulder Reservoir, 5565 N. 51st St., Boulder.
Reading Village’s Learning Journey to Guatemala — With Larry Dressler, co-founder of Reading Village. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
Contact: [email protected] attn: “Adventure.”
