Gentlemen, start your engines! Well, get your legs moving, that is. Track bicycling is a lot like NASCAR, only the vehicle of transport is a single-speed bike with no… (Weekend Sherpa)

Active, Biking, Classes & Workshops, Fitness, Good for Groups, Hiking & Biking, Local Trips, Outdoor Activities, Racetracks

Summiting Marin's Mount Burdell isn't on many bucket lists, but it should be. At 1,500 feet, it sits below Mount Tam, but it's the highest peak in north Marin and… (Weekend Sherpa)

Active, Adventurous Activities, Family Fun, Fitness, Free, Good for Groups, Hiking, Hiking & Biking, Local Trips, Outdoor Activities, Scenic

When the ocean is tempestuous and the sky gunmetal gray, lace up your hiking boots and visit Muir Beach; just 20 minutes from the Golden Gate, it's the launching point… (Weekend Sherpa)

Active, Adventurous Activities, Beach, Family Fun, Fitness, Free, Good for Groups, Hiking, Hiking & Biking, Local Trips, Outdoor Activities, Scenic

This class is designed to teach the fundamentals and boxing skills needed in the Group Boxing Classes. Classes are on Saturdays at 11:15am. (3rd Street Boxing Gym)

Active, Adventurous Activities, Boxing, Classes & Workshops, Fitness, Fitness Classes

Want to drop pounds? Want to get ripped? Our circuit training focuses on speed, strength, conditioning agility and endurance. Each class starts with 20 mins. of quick-changing boxing combinations… (Polk St. Boxing Gym)

Active, Adventurous Activities, Boxing, Circuit Training, Classes & Workshops, Fitness, Fitness Classes

TRX suspension training tightens your core, strengthens and lengthens your muscles and increases your flexibility. TRX Training Center is making it easy to try suspension training without intimidation in their… (TRX Training Center)

Active, Circuit Training, Classes & Workshops, Deals, Fitness, Fitness Classes, Health & Beauty

There's a new winery in Napa and it's letting the good times roll. Velo Vino is brought to you by the same folks behind locally based Clif Bar. Part… (Weekend Sherpa)

4th of July, Active, Cycling, Fitness, Local Trips, Notable Wine Lists, Outdoor Activities, Scenic, Wineries

Under the beautiful skies of San Francisco, the Lombardi Sports' Rooftop Yoga Class is a 60-minute all-levels class designed to promote a healthy, well-balanced lifestyle. During Rooftop Yoga you’ll do… (Lombardi Sports)

Active, Athletic Activities, Fitness, Fitness Classes, Free, Yoga

Tough Mudder events are hardcore 10-12 mile obstacle courses designed by British Special Forces to test your all around strength, stamina, mental grit, and camaraderie. With the most innovative courses,… (Tough Mudder)

Adventurous Activities, Athletic Activities, Fitness, Good for Groups

By bringing balance onto a 1” piece of webbing, slackline yoga develops focus, dynamic stillness, power, breath, core integration, flexibility, and confidence to create a suspended and elevated vinyasa. (Yoga Slackers Norcal)

Active, Adventurous Activities, Classes, Fitness, Fitness Classes, Free, Upcoming Events