Found 222 races

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JAN
17

Woodside, CA
• 35.7 miles
$60 -$110
Experience the towering redwoods, lush ferns, and beautiful trails through Huddart Park, King's Mountain and Bear Gulch.  
8K Half Marathon 35K Marathon 50K
48
FEB
6

Sausalito, CA
• 14.2 miles
$60 -$110
Enjoy vistas of the Pacific Coast and of the spectacular Marin Headlands with views of Tiburon, San Francisco and the Golden Gate Bridge.
8K Half Marathon 30K Marathon 50K
30
FEB
20

Santa Rosa, CA
• 45.3 miles
$15 -$105
Wind down FeBREWary in Santa Rosa with Beer City Half™! See the sights, run the trails, and drink the brews that have made Santa Rosa famous world-round. Beer City Festival is a full day on a...
5K 10K Half Marathon
43
FEB
20

Auburn, CA
• 73.7 miles
$40 -$150
Use this page to sign up for FOURmidable trail race starting Feb 20, 2026 up until the start of the race. Simply sign up using your smart phone and the system will automatically add you to the...
13K Half Marathon 35K 50K
31
FEB
20

Pacifica, CA
• 17.9 miles
$60 -$110
Montara Mountain features the only undisturbed Coastal Mountain Habitat found over 100 miles of coastline. Experience groves of Huckleberry, Honeysuckle, Lilac, Chinquapin and Manzanita, with...
10K Half Marathon 20m Marathon 50K
59
FEB
28

Tiburon, CA
• 16.4 miles
$60 -$90
Angel Island is a hilly, grass- and forest-covered island that provides spectacular views of Marin County, San Francisco, and the Golden Gate. Trails and roads circle the entire island and climb...
5m 10m 15m
31
MAR
7

Napa, CA
• 39.1 miles
$15 -$55
Like Running or Walking?  Love Wine?  This race is for you!  Join us on Sunday, March 7, 2027 with start times at 8:30am or 10:30am (you will select your start time during registration) for an...
5K
10
MAR
13

San Francisco, CA
• 16.9 miles
$25 -$90
All races start/finish at East Beach and head West along the popular Golden Gate Promenade. The 5K event climbs up Battery East trail to the Golden Gate Bridge before heading back to the finish....
5K 10K Half Marathon
44
MAR
20

Fort Bragg, CA
• 101.0 miles
$10 -$55
The 38th Annual Whale Run & Walk for 2026!Fort Bragg, Ca is a small, picturesque city on the Pacific Ocean, nestled between sandy beaches and the redwood forest. We are the home of the world...
5K 10K Half Marathon
43
MAR
20

Oakland, CA
• 30.0 miles
$30 -$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...
5m Half Marathon 30K Marathon 50K
14
MAR
28

Elk Grove, CA
• 37.7 miles
$20 -$50
The 13th annual Kaiser Permanente Running of the Elk 5K, 10K & Kids’ Fun Runs starts and finishes at District56 in the heart of Elk Grove, CA. Help us support Elk Grove Youth Sports Foundation by...
5K 10K
37
APR
4

Modesto, CA
• 95.2 miles
$45 -$175
2026 here we come! The Grafitti Classic Car theme will be back again with more cars and more entertainment.  Visit our website for event details. Our Cause Proceeds benefit the Teens Run Modesto...
5K 10K Half Marathon Marathon
44
APR
4

Los Gatos, CA
• 56.3 miles
$25
This is a Union Middle School Music Boosters fundraiser event raising money for the music program.  NOTES: Balzer Field off of Miles Ave and University in Los Gatos, only has 110 marked parking...
5K
20
APR
10

Stockton, CA
• 46.2 miles
$20 -$35
🍩Join us for the Donut Stop Running 5K, a fun-filled community race created to bring families, friends, schools, and local supporters together for an unforgettable morning of fitness and fun!...
1K 5K
6
APR
11

Morgan Hill, CA
• 102.0 miles
$31 -$65
The AAUW Wildflower Run raises money for scholarships and leadership programs for women & girls and community grants. (For information about our organization, go to www.aauwmh.org.) 10K Run, 5K...
2K 5K 10K
19
APR
17

Los Gatos, CA
• 56.5 miles
$60 -$110
The course is within the Skyline Ridge, Long Ridge, and Russian Ridge Open Space Preserves. The majority of the course is along the Bay Area Ridge Trail with spectacular views of the Pacific...
5m Half Marathon 30K Marathon 50K
8
APR
17

Ukiah, CA
• 63.8 miles
$30 -$55
Like Running or Walking?  Love Wine?  This race is for you!  Join us on Saturday, April 17, 2027 at 10:00am for a super fun annual event that features the amazing hospitality and scenery of...
5K
4
APR
17

Auburn, CA
• 74.0 miles
$80
Join us for the 2027 Wild Flowers 10K 🌸 Run in Auburn… Finish in Spain!  Trip to Spain is on  September, 2027      Get ready for the most empowering girls’ day of the year! The Wild Flowers 10K...
10K
15
APR
24

San Carlos, CA
• 71.0 miles
$20 -$75
NOTE: Pre-registration for the kids race is now closed. Children may sign up on race morning, though shirts and medals are not guaranteed.  Race morning registration closes at 9 promptly. Explore...
1K 5K 10K 15K
APR
24

Castro Valley, CA
• 58.2 miles
$60 -$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...
8K Half Marathon 30K Marathon 50K
12