‘Fight Like a Mother’ — Shannon Watts will speak about and sign her new book, “Fight Like a Mother: How a Grassroots Movement Took on the Gun Lobby and Why Women Will Change the World”; 7:30 p.m., June 4, Boulder Book Store, 1107 Pearl St., Boulder; $5; 303-447-2074, boulderbookstore.net/event/shannon-watts-fight-mother.
Open water swims— BAM hosts a variety of open water swims at the Boulder Reservoir throughout the summer. Some events are casual, some competitive and some for beginners. These swims are perfect for open water enthusiasts and triathletes. You must be 18 years or older to participate; 6:10 a.m., June 4, Boulder Reservoir, 5565 51st St., Boulder; $15-$60; 303-406-1048, bamswimteam.org.
Snark Attack— Are you snarky? Do you enjoy criticizing movies? If so, join us for Snark Attack Tuesday. We will “enjoy” cringe-worthy movies, videos, and TV shows that are just lovably bad. No registration required; 4 p.m., June 4, Louisville Public Library, 951 Spruce St., Louisville; louisville co.gov/Home/Components/ Calendar/Event/22217/351? curm=6cury=2019.
Backcountry Tents and Sleep Systems Workshop— In this hands-on workshop, get the chance to experience many different tents, sleeping bags and more to discover the most comfortable sleeping set-up for you. We’ll provide all of the equipment. No experience necessary; 6 p.m., June 4, Finkel Garf Brewing Company, 5455 Spine Road, Boulder; $20-$40; 303-583-9970, rei.com/learn.
Singles Group— Unity’s Singles Group is a study group that meets the 1st and 3rd Tuesdays of the month; 6:30 p.m., June 4, Unity of Boulder Church, 2855 Folsom St., Boulder; $10; 303-442-1411.
Boulder Chamber Running Club— Connect with fellow Boulder Chamber members while hitting the road or trail at the monthly meeting. We will meet for a 4-mile tour around South Boulder. All paces are encouraged to join. Please register online; 7 a.m. Wednesday, June 5, Chez Tayer, 4310 Ludlow St., Boulder; free; cm.boulderchamber.com/events/details/boulder-chamber-running -club-06-05-2019-15706.
Cannabis Connections Symposium— Join