Bear Creek Trail Half Marathon/10k/5k
If you are looking for a super-fast, flat, easy course to set a personal record, you are probably in the wrong place. These courses have hills. If, however, you are looking for a great time on the trails, with beautiful scene... active.com
Nitro Trail Half-marathon, 10-k, & 5-k
These races are perfect for first-time race participants, first-time trail runners and anybody looking for a relatively fast and beautifully scenic trail run. Home of gunpowder and dynamite manufacturers for almost 100 ... runnersworld.com
Lynch Canyon Trail Run Half-marathon, 10-k, & 5-k
Beautiful views from the rolling hills of the Bay Area. Entire event run throught the Solano Land Trust's Lynch Canyon Open Space. runnersworld.com
Norcal Kidstriathlon
NCKT is a Super Sprint triathlon dedicated to encouraging kids to try a new activity, remain active and remain health. active.com
Diabloman Triathlon 2012
The most unique event of its kind at an ideal time in the season. Looking for that race to finish off your triathlon season? On October 13th & 14th, 2012 The DiabloMan Triathlon will bring kids and parents the first DiabloMan... active.com
Nitro Trail Half Marathon/10k/5k
These races are perfect for first-time race participants.
Dirty Dozen & Half Dozen Endurance Run + Dirty 5k/10k Races
An all-day running party! All entries include the massive BBQ/picnic. The 6 hour and 12 hour runners will be glad to see the Dirty 5K and Dirty 10K runners out to do their race and cheer them on at the same time. active.com
See Jane Run Women's Half-marathon & 5-k - Alameda
Take a big group of women, add chocolate, champagne, massages, laughter, tears and lots of fun? it feels like a girls? night out, right? But it's not. It?s the See Jane Run Half-Marathon and 5-K Race Series! Grab your m... runnersworld.com
Mermaid Triathlon & Duathlon Alameda
Located in Alameda the venue features panoramic views of the bay and a flat, fast bike and run course. Keeping the distances short make the Mermaid an ideal event for the first time triathlete as well as provides a fun,... runnersworld.com
Sofitcity 5k & 10k
Its a 5K/10K Fitness party. Your invited to Run This Town in Fairfield, Ca the county seat of Solano. The hustle and bustle of the usual incredible commerce center surrounding Texas Blvd. will give way to the energy of thousa... active.com
Napa-to-sonoma Wine Country Half Marathon
Starts at a winery and finishes at City Hall in Sonoma with a wine festival
Canyon Meadow Trail Run (5 Mi, Half Marathon, 30 Km,...
Drag-n-fly Half Marathon/10k/5k
Discover the trails of Contra Loma and the fascinating history of BD Mines!
Brazen New Year's Eve Half Marathon/10k/5k
Join us at the beautiful Lake Chabot Marna in Castro Valley for the scenic Brazen New Year's Eve 5K, 10K or Half Marathon. All runners participating in both New Year's Eve and New Year's Day races will be eligible for the "Do... active.com
Alcatraz To Aquatic Park Swim With Swim Art
Alcatraz to Aquatic Park Swim. Escape from The Rock! This Alcatraz swim ends at Aquatic Park. Swim is limited to five swimmers per boat, so spaces are limited! View the course map on our website under Open Water Programs, Exp... active.com
The North Face Endurance Challenge Series - San Francisco, Ca
Endurance comes in all Distances. Find Yours.
Coastal Trail Challenge 10k
scenic course with challenging hills