34 Half Marathon Races in SF Bay Area
Browse Half Marathon races in SF Bay Area with dates, registration links, course maps, and exclusive RaceMob discounts.
Within 50 miles
5K
10K
Half Marathon
Marathon
Found 34 races near SF Bay Area
JUL
11
Beer City Half™ Alameda
Alameda, CA
• 10.0 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
• 22.7 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
• 33.1 miles
$86
-$289
A wine country Half Marathon and Rosé 5K with vineyard views and a finish line wine festival.
JUL
26
San Francisco Marathon
San Francisco, CA
• 25.5 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
• 13.8 miles
$50
-$100
5k/10k/15k/Half Marathon in Long Beach by A Better World Running.
AUG
8
Bear Creek
Orinda, CA
• 16.9 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
• 36.4 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
• 5.0 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
• 1.1 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
• 24.3 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
• 16.6 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
• 43.8 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
• 25.1 miles
$25
-$105
Half marathon, 10K, and 5K at Bishop Ranch in San Ramon with post-race beer festival.
SEP
19
Rocky Ridge
san Ramon, CA
• 23.1 miles
Half marathon, 10K and 5K on the trails at Las Trampas Wilderness!
SEP
20
Alameda Island Running Festival
Alameda, CA
• 6.4 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
Flat, fast Rock 'n' Roll Running Series event in downtown San Jose with live bands and DJs.
OCT
4
Napa Half Marathon
Napa, CA
• 36.1 miles
$70
-$120
Scenic Napa Half and Quarter Marathon through east Napa vineyard hills from Skyline Park.
OCT
31
ZombieRunner Halloween
San Jose, CA
• 38.6 miles
$25
-$100
Halloween costume run along Coyote Creek trail with 5K to Marathon distances and a costume contest.
NOV
7
Lake Chabot Trail Run
Castro Valley, CA
• 12.7 miles
$25
-$110
Trail run around Lake Chabot reservoir with 8K to 50K distances. Great for first-time trail runners.