Gator Club 5K Family Fun Run: 5K or 1-mile race. 5K race begins at 8 a.m.; 1-mile at 8:45 a.m. $15-$25. Al Lopez Park, 4810 N Himes Ave., Tampa. (813) 874-7223. www.tampagov.net
Saturday Guided Hike at Weedon Island: Hike through coastal mangroves and upland ecosystems. Bring water and a snack. Recommended for ages 6 and older. Free. 9 a.m., Weedon Island Preserve, 1800 Weedon Drive NE, St. Petersburg. (727) 453-6500.
Fermented Foods 101: Learn to make low-cost and healthy probiotic foods like kefir, tempeh, kimchee and cheese. $20. 11 a.m., Garden Classroom, 3212 W Paxton Ave., Tampa. (813) 839-0881.
Zumbalicious Dance Party: A team of instructors will lead an easy-to-follow dance class set to Latin and international music. There will be healthy treats, raffle prizes, vendors and more. $15. 6 p.m., Highland Recreation Complex and Family Aquatic Center, 400 Highland Ave. NE, Largo. (727) 518-3016.
Croom Zoom Races: Three races are part of the Croom Zoom Trail Runs — 100K, 50K and 25K. The main running trail is a 10-mile loop. Everyone starts with the 2.2-mile starter loop and then the 100K race will run six loops, 50K will run three loops, and the 25K will run one loop along with an additional starter loop. 100K starts at 6 a.m.; 50K/25K at 7 a.m. $40-$70. 6 a.m., Croom Trails, 26416 Croom Road, Brooksville. www.croomzoom.com/index.html
Florida Dirty Duo: Two-person teams with one bike can compete together or go solo. $10-$120. 8 a.m., Trout Creek Wilderness Park, 12550 Morris Bridge Road, Thonotosassa. (813) 987-6200. www.floridadirtyduo.com/Home.html
Anxiety Support Group: Weekly support group for people suffering with anxiety, panic attacks and any symptoms caused by fear or anger. Donations accepted. 1 p.m., St. Timothy Lutheran Church, 812 E Tarpon Ave., Tarpon Springs. www.st.timothy.faithweb.com
Work Out While Kids Play: Parents can choose from Just Pump or Zumba while children have fun at one of Highland's youth classes. 5:45 p.m., Highland Recreation Complex and Family Aquatic Center, 400 Highland Ave. NE, Largo. (727) 518-3016.
Little Sports at Highland Recreation Complex: Little Sports, for 6- and 7-year-olds, introduces children to a variety of sporting activities. $28 a month with resident card/$35 without. 6:30 p.m., Highland Recreation Complex and Family Aquatic Center, 400 Highland Ave. NE, Largo. (727) 518-3016.
Weight Loss Assistance: If you wonder if weight-loss surgery is for you, attend a BayCare Health System surgical weight-loss information session. Free. 6 p.m., St. Anthony's Outpatient Center, 900 Carillon Parkway, St. Petersburg. (727) 953-6890.
Brain Injury Family Support Group: For families and survivors of traumatic brain injury. Includes speakers and support. Free. 5 p.m., Tampa General Hospital Rehabilitation Center, Tampa. (813) 844-7759.
Thursday Night Group Bicycle Ride: Weekly ride breaks into groups for slow and fast riders. Ends at a bar or restaurant for socializing. Lights required. Free. 7 p.m., City Bike Tampa, 212 E Cass St., Tampa. (813) 225-1777.
Chute Chi Gong: A form of standing meditative movement with tai chi and other techniques. No experience necessary. $10. 10 a.m., Sunken Gardens, 1825 Fourth St. N, St. Petersburg. (727) 551-3102.
Restoring Male Sexual Health: Call to register. Free. 10 a.m., Tampa General Hospital Community Health Education Center, 740 S Village Circle, Tampa. Toll-free 1-800-822-3627.
Long Haul 100: Extreme race with individual 100- and 50-mile UltraMarathons and team relays. Register by Thursday. $35-$145. 8 a.m., the Grove, 6333 Wesley Grove Blvd., Wesley Chapel. longhaul100.wordpress.com
Beach Run/Walk: Registration begins at 7:30 a.m. The course will be 2 miles (out and back) along Clearwater Beach. Breakfast follows at Chapel-by-the Sea for participants and families. Proceeds benefit RCS Food Bank. Adult registration is $12, youth (6-18) $9, kids free. Supporters, $6 for breakfast. 8:30 a.m., Palm Pavilion Grill & Bar, 10 Bay Esplanade, Clearwater. (727) 446-0430. www.palmpavilion.com
Extended Guided Hike: Winter Wonders: Brisk 2.8- to 4-mile guided walk along one of the preserve's longer trails. Free. 9 a.m., Brooker Creek Preserve, 3940 Keystone Road, Tarpon Springs. (727) 453-6800.
Dunedin Family Fun and Fitness Day: Open house with vendors, music and dance demos, family activities, food from area restaurants and class demonstrations. Free. 9 a.m., Dunedin Community Center, 1920 Pinehurst Road, Dunedin. (727) 812-4530.
Scavenger Dash: Teams of two race around solving clues and discovering Tampa in a different way. Geared for adults, but ages 12-17 teamed with an adult can participate. Register online. $99-$130. Noon, Hattricks, 107 S Franklin St., Tampa. (813) 225-4288. www.scavengerdash.com/tpa.html
Clearwater Halfathon: 13.1-mile race begins at 7:05 a.m. Packet pickup begins at 5:30 a.m. $70-$80. 5:30 a.m., Coachman Park, 301 Drew St. (727) 347-4440. www.clearwaterrunning.com/halfathon.html
Parkinson's Disease 101: Information on treatments, and resources. Free. 12:30 p.m., Tampa General Hospital Community Health Education Center, 740 S Village Circle, Tampa. Toll-free 1-800-822-3627.
Organic on a Budget: Learn to cook with organic foods without breaking the bank. Free, but registration required. 6:30 p.m., Whole Foods Market, 1548 N Dale Mabry Highway, Tampa. (813) 874-9435.
Zumba Bash: Area Zumba instructors donate their time so all the proceeds can benefit Northdale Park's program to help needy families afford after-school programs. $15 advance, $20 at door. 6 p.m., Northdale Park, 15550 Spring Pine Drive, Tampa. Toll-free 1-888-478-6455.
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