This weekend in East Bay North, CA

Get ready for a hilly trail race with big views in Briones Regional Park. This event features the Half Marathon, 10K, and 5K distances on unpaved, mostly trail terrain, with plenty of elevation and plenty of support along the course. All participants receive finisher medals and special t-shirts, and the races are professionally timed with electronic chip timing. Hikers and walkers are welcome.

Get a weekly run in at Heather Farm Park. This group meetup is hosted by East Bay Runners and is open to participants of all levels, with people typically running together at similar paces. Expect a run of about 45 to 60 minutes, with an easy, motivating start at the park.

Stroll through a bustling outdoor market with a welcoming vibe. Explore a broad mix of goods and food, including plenty of fresh, locally grown produce. Live music provides a cheerful soundtrack as you browse, making the shopping experience lively and relaxed.

Join SoulSearch for a two-day Concord Enlightenment Expo Psychic and Healing Fair focused on spiritual growth and energetic renewal. You can browse vendors and holistic wellness items, get one-on-one psychic, mediumship, tarot, and astrology readings, and experience energy healing, chakra balancing, and intuitive bodywork. There will also be inspiring talks, workshops, and live demonstrations, plus crystals, gemstone jewelry, and sacred art from different practitioners. Admission includes access to speakers, workshops, and the exhibit hall for both days.

Enjoy electronic music with RIO KOSTA at Golden Gate Park in San Francisco. The show starts at 10:00 AM local time.

Join the Ukulele Club for a fun, beginner-friendly play-along. No prior experience is needed. Bring your own ukulele or use one of the instruments provided, and get ready to strum and sing together.

Join this two day glass class for intermediate students to build a custom box with a hinged lid. You will start by working with foam blocks to design a three dimensional box, then move on to creating and attaching a lid with a hinge so you end up with a functional box. The class covers design strength and accuracy for 90 degree angles, with hands on work using lead free solder. You’ll bring your own materials, tools, and glass, and lead free solder and glass are available to purchase. If your lid design is complex, you may need additional work at home between the two class days.

Community Cat Advocates is bringing adoptable cats and kittens to Petco in El Cerrito for a friendly meet-and-adopt experience. This foster-based, all-volunteer rescue provides thorough care for every pet before adoption, including deworming, flea treatment, FeLV and FIV testing, age-appropriate vaccinations, a microchip, and spay or neuter. For questions or to request an adoption application, email cca.adoptionteam@gmail.com. Evening appointments in Vallejo are available for approved applications to meet specific cats at the Vallejo PetSmart and Vallejo Petco.

Meet adoptable cats and kittens from Community Cat Advocates at the Petco in El Cerrito. This all-volunteer, foster-based rescue ensures every animal adopted through the program is spayed or neutered, tested, microchipped, vaccinated according to age and time in care, dewormed, and treated for fleas. The organization also holds adoption events at the Vallejo PetSmart, and adoption appointments at that location may be arranged for approved applicants interested in specific cats. Please treat volunteers kindly as they donate their time to finding homes for the animals. For questions or to request an application, email CCA.AdoptionTeam@gmail.com.

Diablo is hosting its Saturday night shooting session at the public pistol range. Plan to do some plinking, with both rifle and pistol generally available. If you need ammunition, make sure to pick it up before the range closes, since Diablo will not be selling ammo. USI “Blue” card holders can attend, and anyone who does not have the card should complete the online waiver first. This event runs weekly on Saturdays.

Move to Afro-Brazilian and samba rhythms in a high-energy class led by Mary Dollar. Designed to be easy to follow and welcoming for every experience level, this session builds dance technique and performance skills while keeping things friendly and fun. Practice foundational footwork, hip movements, arm styling and confidence-boosting choreography. The class starts with a full-body warmup, then continues with stretching and floor-mat exercises to support strong, fluid movement. Wear comfortable clothing and soft-soled shoes, and bring a floor mat and a towel. Expect to sweat, smile, and enjoy a great workout while you dance.

Join Jared the Medium for an intimate small-group circle reading experience at the SoulSearch Concord Enlightenment Expo. In this guided circle, participants receive meaningful messages from Spirit, with opportunities to connect with loved ones in spirit, including family, friends, and beloved pets. Seating is limited to 20 participants, and it’s suitable for mature ages 14 and up.

Enjoy a free outdoor movie night with Despicable Me 4 at Cedar Rose Park. Bring a blanket or a chair for the lawn, and arrive early so kids can play first. It’s a family-friendly evening with picnic-friendly space and a big, relaxed outdoor setting for watching under the stars.

Join this Club Factory and airgun unsanctioned match for .22 rimfire and airguns up to .30 cal. This is a bipod and sandbag only rested match. Club members pay $8, and non-members pay $13.

Hunt for standout finds at a lively open air market in Downtown Martinez, where vintage gems, antiques, collectibles, handmade pieces, local art, and other artisan creations line the stalls. Browse a thoughtfully curated selection of vendors, meet makers, collectors, and small business owners, and hear the stories behind their work as you shop for truly unique items. The market unfolds alongside the Downtown Farmers’ Market, creating an upbeat scene that is ideal for treasure hunting, supporting local artists, and enjoying a family friendly outing.

Enjoy Aire Libre Weekends at Del Cielo Brewing Co., an outdoor hangout running every Friday, Saturday, and Sunday from April through November. Stop by for a laid-back brewery atmosphere, with the event featuring hours from late morning into the evening.

Explore the basics of Argentine tango with instructor Suzanne Bare. The lesson emphasizes essential technique while building a warm sense of community and confidence on the dance floor. Participants who are interested can also take part in performances and join her formation team. A guided one hour practica follows the class so you can apply what you learned.

This event features adoptable cats and kittens from Community Cat Advocates at Petco in El Cerrito. The organization is a foster-based rescue run entirely by volunteers, and the cats in their care live in homes when not at adoption events. Every pet available for adoption has received deworming and flea treatment, has been tested for FeLV and FIV, is vaccinated according to age, is microchipped, and is already spayed or neutered. It is an opportunity to meet potential companions in person while supporting a volunteer team dedicated to finding loving homes.

An afternoon of music and art at Richmond Art Center honors Dr. Pate Thomson’s 90th birthday. Performers include pianist Cullen Luper, singer Jesse Castillo, and violinists Dr. Pate Thomson and Nakele Rechenauer. Tickets are $50.

Stop by the Nu-Rays Bike Show for a relaxed, friendly display of bikes. It’s a chance for motorcycle enthusiasts and neighbors to socialize in a respectful setting while enjoying the show-style bikes.

Catch The Rubinoos live at HopMonk Tavern Novato for an afternoon of surf rock, pop, bubblegum pop, pop rock, and power pop. The show is scheduled to start at 3:00 PM.