• The Fairfax Festival kicks off with an outdoor screening of Oscar-winning film “Flow” at 8:30 p.m. Friday at the Contratti Park Baseball Field in Fairfax. The festivities continue with a parade through downtown at 10 a.m. Saturday and live music, a flea market and arts and crafts from noon to 6 p.m. this weekend. For more information, including a map and full schedule of events, visit fairfaxfestival.com.

• The MG Owners Club of Northern California will showcase classic British cars from 1980 and earlier at the Brits by the Bay car show from 10 a.m. to 2 p.m. Saturday in the Bon Air parking lot in Greenbrae. Admission is free. Go to bonair.com.

• This year’s Western Weekend, which celebrates West Marin’s rural roots, features food, art exhibits, barn dancing, a parade and more this weekend at various locations in downtown Point Reyes Station. Admission for all events is free. For more information, including a map and full schedule of events, visit westernweekend.org.

• ABADÁ-Capoeira Marin celebrates its 10th anniversary with a capoeira performance at its studio at 4 p.m. Saturday at 42 Greenfield Ave. in San Anselmo. A barbecue party will follow from 5 to 8 p.m. The barbecue party is $20 per person. For more information, go to abadamarin.org.