Wonderful Days of Winter Race

The tenth Wonderful Days of Winter 5K/1-mile race starts at 8 a.m. today, with registration opening at 7 a.m., at St. James’ Episcopal Church, 161 Church St., Marietta. The timed race is the major fundraiser for Wonderful Days Preschool, Inc., a tuition-free program that prepares low-income preschool children for kindergarten. $15-$25. endurancecui.active.com/event-reg/select-race?e=11376152&int=29-110-1, StJames-Marietta.EpiscopalAtlanta.org/News/newsView.asp?NewsId=409684821.

Christmas tree recycling

The Christmas tree recycling program, “Bring One for the Chipper,” in Johns Creek now also accepts electronics, cardboard, clothing for charity, used cooking oil and fluorescent bulbs 9 a.m. to 4 p.m. today at The Home Depot, 5950 State Bridge Road, Duluth. Decorations and lights should be removed from the trees, which will be chipped into mulch by The Davey Tree Expert Company for playgrounds, public beautification projects, wildlife habitats and homeowner landscaping projects. Mulch is available free by calling Davey Tree at 770-451-7911. No electronics fees for Johns Creek residents. Nonresidents: $10 per TV under 29 inches, $25 for TVs over 29 inches, $10 for CRT monitors, $2 for flourescent tubes. KeepJohnsCreekBeautiful.org, 770-551-7766.

Recycle Christmas trees in Sandy Springs

Christmas trees, free of decorations and lights, also may be recycled 9 a.m. to 4 p.m. today at The Home Depot, 6400 Peachtree-Dunwoody Road, Atlanta and the Sandy Springs Recycling Center, 470 Morgan Falls Road, Sandy Springs. KeepNorthFultonBeautiful.org/recycling.html, 770-551-7766.

Christmas tree recycling in Cobb County

Free Christmas tree recycling is 9 a.m. to 4 p.m. today at select Home Depot locations in Cobb and four county parks to make mulch, fuel, wildlife habitats and other useful material by Keep Cobb Beautiful. The four county parks accepting drop-offs through today are Lost Mountain Park, 4845 Dallas Highway, Powder Springs; Fullers Park, 3499 Robinson Road, Marietta; Sewell Park, 2085 Lower Roswell Road, Marietta and Noonday Creek Park, 489 Hawkins Store Road, Kennesaw. Free mulch will be available to residents after Jan. 5. 770-528-1135 or email keepcobbbeautiful@cobbcounty.org.

‘Rooms of Christmas Past’ in Roswell

“Rooms of Christmas Past…and More” is 10 a.m. to 3 p.m. today and concludes 1 to 3 p.m. Sunday at the Smith Plantation, 935 Alpharetta St., Roswell. Roswell Garden Club members have decorated each of the nine rooms and areas. $6-$8. SouthernTrilogy.com, 770-641-3978.

Ride Priscilla the Pink Pig

Ride Priscilla the Pink Pig on train tracks through a life-sized storybook of Priscilla and her friends 10 a.m. to 9 p.m. today and concluding 10 a.m. to 7 p.m. Sunday at Macy’s Lenox Square, Upper Level Parking Deck, 3399 Peachtree Road NE, Atlanta. $3. macys.com/pinkpig.