• SPECIAL EVENTS

Rhythmic Cypher, Poetry Slam Team benefit, St. Lawrence Arts Center, Portland. $10 to $15. poetrising.wordpress.com. 7 p.m. Saturday.

Run for Your Life Emergency Service Challenge, 5K obstacle course and 160-meter pond swim for teams or individuals, Camden Snow Bowl. $50. emergencychallenge.org/home. Registration at 8 a.m.; first heat at 9 a.m. Saturday.

“Ride Into Summer,” motorcycle and bicycle ride, pizza contest, live music and fireworks, Gardiner Waterfront Park. Free. gardinermainstreet.org. 4:30 p.m. to dusk Saturday.

Yo-Yo People, high-energy comedy yo-yo, hula hoop and unicycle, Freeport Theater of Awesome. $14 in advance; $16 day of show. awesometheater.com. 2 p.m. Saturday and Sunday.

Fort Andross Summer Antique Show, more than 50 dealers from across New England, Fort Andross, Brunswick. $3. 725-2855. 10 a.m. to 3 p.m. Sunday.

Freeport Memorial Day Parade, Freeport High School to town park (Bow Street), Freeport. (Ceremony at high school in case of rain.) Free. freeportmaine.com. 9:30 a.m. parade, 10 a.m. ceremony Monday.

Kennebunkport Memorial Day Parade, Temple Street to Dock Square, Kennebunkport. Free. 967-2706. 9:30 a.m. parade, noon ceremony Monday.

Portland Memorial Day Parade, Longfellow Square to Monument Square, Portland. Free. portlandmaine.com. 10:30 a.m. Monday.

Always Fantabulous Spring Show, belly dancers and Middle Eastern music, St. Lawrence Arts Center, Portland. $10 in advance; $12 at door. stlawrencearts.org. 7 p.m. Wednesday.

• FILMS

Short Films by Walter Ungerer, screenings followed by Q&A with Ungerer, Lisa Dombek and Dianna Rust, St. Lawrence Arts Center, Portland. $6. stlawrencearts.org. 7 p.m. Thursday.

“Wings: Rockshow” (1980), concert film of Paul McCartney & Wings’ 1976 “Wings Over America” tour, Lincoln Theater, Damariscotta. $15; $5 for ages 18 and under. atthelincoln.org. 7 p.m. Thursday.

“The Empty House,” starring Jeremy Brett as Sherlock Holmes, Rockland Public Library. Free. 594-0310. 6:30 p.m. Thursday.

“St. Vincent & The Grenadines: Caribbean Jewels,” travel documentary narrated by Steve Gonser, Araxine Wilkins Sawyer Memorial, Greene. Free. 946-5311. 2 and 7 p.m. Friday.

• BOOKS/AUTHORS

Gail Rowe, author of “The Roots of a Family,” Prince Memorial Library, Cumberland Center. Free. 829-2215. 2 p.m. Thursday.

Rosie Schaap, author of “Drinking with Men,” Space Gallery, Portland. $5 to $10/donation. space538.org. 7:30 p.m. Friday.

Poetry Reading, with Judy Feinstein, Jim Donnelly and Ted Bookey, Harlow Gallery, Hallowell. $3. harlowgallery.org. 7 p.m. Friday.

Helen Rivas-Rose, author of “Brave: A Memoir of Overcoming Shyness,” First Parish Unitarian Universalist Church, Kennebunk. Free. uukennebunk.org. 10:30 a.m. Sunday.

Kieran Shields, author of “The Truth of All Things,” Rines Auditorium, Portland Public Library. Free; bring bag lunch. portlandlibrary.com. Noon Wednesday.

Beth Harmon, author of “Chimney Pond Tales,” Prince Memorial Library, Cumberland Center. Free. 829-2215. 6:30 p.m. Wednesday.

Martha White, author of “E.B. White on Dogs,” Longfellow Books, Portland. Free. longfellowbooks.com. 7 p.m. May 30.

• PRO SPORTS

Portland Sea Dogs, minor league baseball affiliate of the Boston Red Sox, Hadlock Field, Portland. $9, $10. 874-9300. Vs. New Hampshire, 11 a.m. Thursday; 6 p.m. Tuesday to May 31.

• PARTICIPANT DANCE

Folk Dance Brunswick, world music and dance from the Balkans, Israel and northern Europe; many dances taught, no partner needed; People Plus, Brunswick. $8; $5 for seniors and students. folkdancebrunswick.wordpress.com. 6:30 to 9 p.m. Friday.

Scottish Country Dancing, new dancers welcome, no experience necessary, Community House, Kennebunkport. Donations at door. 839-8637. 5:30 to 7:30 p.m. Sunday.

Ecstatic Dance Maine, expressive dance with DJ, Reiche Community School Gymnasium, Portland. $10 to $20; sliding scale. 408-2684. 10 a.m. to noon Sunday.

• PLANT SALES

Georgetown Fire Department Auxiliary Plant Sale, Georgetown Fire Department Center Station. 371-2255. 9 to 11 a.m. Saturday.

Plant and Garden Accessory Sale, annuals, perennials, lilacs and house plants, Windham Historical Society. 892-0900, Ext. 13. 9 a.m. to 3 p.m. Saturday.

Seacoast Garden Club’s Annual Plant and Pie Sale, Port Hardware, Kennebunk. 967-3639. 8:30 a.m. Saturday.

Ossipee Meadows Garden Club Plant Sale, perennials, vegetable and annual seedlings, herbs, vines and houseplants, Taylor House, Waterboro. 247-3604. 9 a.m. to noon Saturday.

Plant Sale at the Gardens, hard to find and unique perennials, native plants, boutique annuals and more, Coastal Maine Botanical Gardens, Boothbay. mainegardens.org. 9 a.m. to 4 p.m. Saturday and Sunday.