Race an individual athlete or in teams in this community event on the B&A Trail. Benefits memorial scholarship fund. 7am, Severna Park Community Center, $45-50, RSVP: EmilysTriathlon.com.

7am-noon, Riva Rd. & Harry Truman Pkwy, Annapolis: aacofarmersmarket.com.

Choose from a variety of expert-guided hikes in this protected forest or explore the 1000+ acres on your own; historian Janice Hayes-Williams leads the Say My Name remembrance ceremony honoring […]

Calvert County residents only. 8am-2pm, Mt. Hope Convenience Center, Sunderland: CalvertCountyMd.gov/Recycle

Learn about fossils, how to identify them and what they can tell us (ages 8+). 9am-noon, Cove Point Lighthouse, Lusby, $15, RSVP: calvertmarinemuseum.com.

Come to the museum for free black-eyed Susans (limit 3 plants/person) Bring a hand tool to dig out your chosen bunches, and a bag or bucket to carry them home. […]

Gardener, author and home cook Wendi Kiang-Spray demonstrates how to grow, purchase and cook with interesting vegetables. 10am-noon, Homestead Gardens, Davidsonville, free: homesteadgardens.com.

This two-day symposium features a roundtable of Sotterley descendants, a living history performance, a study of genealogy, and a guest from Maryland Public Television. 10am-3pm, Historic Sotterley, Hollywood: Sotterley.org.