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
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
Norcal Kidstriathlon
NCKT is a Super Sprint triathlon dedicated to encouraging kids to try a new activity, remain active and remain health. active.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
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
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
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
Alcatraz-the Escape Last Half Mile Practice
For the 15th year in a row, on Thursday June 5th at 6:00 p.m. Water World Swim offers you and all the triathletes participating in the Escape from Alcatraz, the chance to have the last practice before the Escape from Alcatraz... 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
Lake Merced Thursday Evening Summer Series
12-week summer evening race series at Lake Merced. Run a 4.5 mile loop around paved bike path. Entry fee is only $1. runnersworld.com
Twin Peaks 4-mile Loop
Challenging 4-mile loop around Twin Peaks with spectacular views. runnersworld.com
Father's Day Conservatory 5-k
Out-and-back course in Golden Gate Park, including a loop around Stow Lake. runnersworld.com