33 Half Marathon Races in San Francisco, CA
Browse Half Marathon races in San Francisco, CA with dates, registration links, course maps, and exclusive RaceMob discounts.
Within 50 miles
5K
10K
Half Marathon
Marathon
Found 33 races near San Francisco, CA
JUL
11
Beer City Half™ Alameda
Alameda, CA
• 15.0 miles
$15
-$105
Beer City Half Alameda is a unique festival race at Radium Runway featuring half-marathon, 10K, and 5K options combined with local brewery experiences. Participants receive custom finisher...
JUL
18
Bad Bass
Castro Valley, CA
• 17.8 miles
$55
-$100
Rising up from the depths of Lake Chabot, the Bad Bass (a strangely kilt-wearing, bagpipe-playing Scottish bass with teeth) shows itself once again on July 18th 2026! Why is he Scottish? What is...
JUL
25
2026 Napa to Sonoma Wine Country Half Marathon & Rosé 5K
Napa, CA
• 18.8 miles
$86
-$289
NAMED ONE OF THE TOP 7 MOST SCENIC HALF MARATHONS IN THE U.S. BY FORBES The world-renowned Napa and Sonoma Valleys serve as the host of this incredible event; offering the finest in wine country...
JUL
26
San Francisco Marathon
San Francisco, CA
• 38.0 miles
The San Francisco Marathon offers stunning views of the Bay Area including a run across the Golden Gate Bridge. The challenging course features San Francisco's famous hills and iconic landmarks....
AUG
1
Summer Breeze
San Leandro, CA
• 50.7 miles
$50
-$100
What makes this such a popular race? Is it the refreshing cool breezes? The flat course? The race shirt? The finisher medal? The custom age group medals? It's probably the incredible Brazen...
AUG
8
Bear Creek
Orinda, CA
• 60.8 miles
All Bear Creek Race info (including registration links) here: https://brazenracing.com/bearcreek/ 5K, 10K and half marathon in Briones Regional Park, Lafayette, California.
AUG
15
Beer City Half™ SLAM
Fremont, CA
• 26.3 miles
$25
-$107
Beer City Half SLAM is a multi-event festival race in Fremont featuring half-marathon, 10K, 5K, and dog-friendly racing options. The event supports local charities, includes craft beer tastings,...
AUG
15
Redwood (Summer) Trail Run
Oakland, CA
• 30.0 miles
$50
-$110
The course travels through beautiful Redwood Regional Park. Enjoy the spectacular views along the East Ridge and West Ridge trails and wind through tall redwoods on the popular Stream and Bridle...
AUG
15
Bagel Run 5K/10K/13.1 SAN FRANCISCO
San Francisco, CA
• 37.0 miles
$30
-$50
🥯🏃♂️ Run for the carbs. Stay for the bagels.Love running? Love bagels? This one’s for you.Whether you’re chasing a workout or just here for the carbs, this run is all about balance, fun, and...
AUG
29
SPASM Crystal Springs Trail Run
Woodside, CA
• 35.2 miles
$50
-$110
Experience the towering redwoods, lush ferns, and beautiful trails through Huddart Park, King's Mountain and Bear Gulch. (Distances are accurately measured using a Rolatape® surveyor's measuring...
SEP
11
The Honey Badger Half (& 10K/5K)
Santa Venetia, CA
• 31.0 miles
$45
-$105
The Badger's race RETURNS to China Camp State Park in Santa Venetia, CA! If the LIVE option doesn't work for you, we're supporting VIRTUAL as well. We'll be happy to ship your swag and you can...
SEP
12
The Running Fence Run: A Run of Freedom- Celebrating Christo's 1976 "Running Fence” art project
Bloomfield, CA
• 44.2 miles
$45
-$160
The Running Fence Run: A Run of Freedom On September 12, 2026, runners return to the stunning Sonoma County hills to celebrate two milestone anniversaries: The 50th anniversary of Christo &...
SEP
12
Beer City Half™ Bishop Ranch
San Ramon, CA
• 45.5 miles
$25
-$105
Join us on Saturday, September 12, 2026 at Bishop Ranch in San Ramon for our Race of Champions.
SEP
19
Rocky Ridge
san Ramon, CA
• 47.5 miles
Half marathon, 10K and 5K on the trails at Las Trampas Wilderness!
SEP
20
Alameda Island Running Festival
Alameda, CA
• 48.0 miles
$25
-$140
We are back for another year of racing with our start and end on Alameda Point. The race start and finish will be back at City Hall west with the Health and Wellness expo presented by Alameda...
SEP
27
Lake Merced ½ Marathon and 4.5 Mile Run
San Francisco, CA
• 5.4 miles
Join us for the best bargain half marathon in the Bay Area! Three loops around the paved Lake Merced bike path includes aid stations, post-race snacks, finisher ribbons to all participants, and...
OCT
4
Rock 'n' Roll San Jose
San Jose, CA
• 41.6 miles
Rock 'n' Roll San Jose brings the party to Silicon Valley with a scenic course through downtown San Jose.
OCT
4
Napa Half Marathon
Napa, CA
• 36.1 miles
$70
-$120
The Napa Half Marathon is nestled up in the rolling hills of east Napa. Scenic, rustic and winding roads will take you from the start at Skyline Park through the vineyard lined neighborhoods in a...
OCT
31
ZombieRunner Halloween
San Jose, CA
• 24.6 miles
$25
-$100
Run in your Halloween costume along the popular Coyote Creek trail and win a prize. The Half Marathon (CA21023TEB) and Marathon (CA22026TEB) courses are USATF are certified.
NOV
7
Lake Chabot Trail Run
Castro Valley, CA
• 49.9 miles
$25
-$110
The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners! (Distances are accurately measured using a...