Found 226 races

🎉 Join Your Local Running Community!

Connect with runners, find training partners, and celebrate every finish together

OCT
10

Concord, CA
• 91.7 miles
Join us as we stroll around St. Agnes Church, and help us raise funds to meet the needs of our neighbors in need!  Rental help, food, gasoline, utility bills, car registration--these are some of...
25
OCT
11

Fresno, CA
• 15.3 miles
$40 -$55
Join us for the 8th annual Oktoberfest Pumpkin Run! What a great way to start your new Fall Running Schedule! Pretzels, Pumpkins & Beer!!!!  Run or walk along our scarecrow and pumpkin decorated...
2m 5K 10K
66
OCT
11

Aromas, CA
• 58.5 miles
$25 -$30
Lace up your running shoes and join us for one of the most unique 5K events in California. For one day each year, Graniterock's historic Wilson Quarry opens its gates to the community, giving...
5K
44
OCT
17

Elk Grove, CA
• 93.7 miles
$45 -$55
**If you are a Breast Cancer Survivor, please contact Adiyama before registering: [email protected] Come enjoy a 1.4 mile walk or 2.8 mile run and a day of fun activities in...
1m 2m
29
OCT
17

Merced, CA
• 54.0 miles
$25 -$40
Complete the Paws on Patrol K-9 Heroes Series!  Love running for a great cause?  Take on the Paws on Patrol K-9 Heroes Series by participating in both Paws on Patrol events!   Paws on Patrol 5K ...
1m 5K 10K
51
OCT
17

San Jose, CA
• 64.2 miles
$41
5K run/walk raising money to support justice-involved people reentering the community. In-person and virtual options.
5K
54
OCT
17

Alameda, CA
• 99.3 miles
$39 -$59
A timed, donut-themed 5K race for all ages and abilities at Alameda Point's Seaplane Lagoon Promenade.
129
OCT
18

San Francisco, CA
• 107.3 miles
Challenging course consisting of grass, trails, and bike paths. Ever wonder what running through sand, grass, wood chips, and paved roads would feel like, all while taking in the amazing scenery...
5K
20
OCT
18

Fresno, CA
• 52.6 miles
$25 -$47
  Join us on Sunday, October 18th, 2026 for a fun Donut Themed 5k Run & Walk at Woodward Park! Back for 2026 -  Kids 100 yard Donut Dash for ages 9 & under!  Not only will runners be treated to...
5K
90
OCT
24

Big Sur, CA
• 90.0 miles
$20 -$65
Big Sur River Run is a benefit race for two important Big Sur community organizations, Big Sur Health Center and Big Sur Fire. There are two races, a 10k and 5k. Both courses are all flat,...
5K 10K
87
OCT
24

Hollister, CA
• 47.5 miles
$30 -$55
Winery 5K with souvenir wine glass, finisher medal, and a pour of wine at the finish
5K
42
OCT
24

San Francisco, CA
• 107.5 miles
Miles for Migraine will host its 17th annual 2-mile Walk, 5K Run and Relax San Francisco Event at the Music Concourse Bandshell at Golden Gate park. This event is a fundraiser for Migraine &...
2m 5K
30
OCT
24

Fresno, CA
• 56.9 miles
$25 -$50
Welcome to our 12th annual Monster Mash Dash run!  Great family event!  Perfect for the Big and Little Monsters alike! Great amenities like Glow-in-the-Dark finisher medallion and event shirt...
5K
88
OCT
24

Sacramento, CA
• 50.1 miles
$35 -$60
Nighttime running music festival at Cal Expo with live DJs and light shows.
30
OCT
24

Lemoore, CA
• 76.9 miles
Join us for the 2026 Breast Cancer Awareness Walk—a powerful community event bringing Kings County together in support, remembrance, and hope. Walk alongside survivors, honor loved ones, and...
5K
23
OCT
25

Clovis, CA
• 57.9 miles
$25 -$55
Join Us for a Vibrant Celebration of Life and Remembrance! Dia de los Muertos, or Day of the Dead, is a cherished Mexican holiday that honors and celebrates the lives of those who have passed...
2m 5K
67
OCT
30

Alameda, CA
• 42.7 miles
$45 -$55
Event Details: October 30th.  Friday pre-halloween Evening Run  We have partnered with the USS Hornet to bring back a super fun and unique race experience to Alameda. Our "day of the dead"...
5K
30
OCT
31

San Jose, CA
• 12.7 miles
$30 -$75
And......we're back! We're thrilled to announce our 7th Annual Gardner Health Services Día de los Muertos Run-Walk, now featuring a more focused 5K route to make your experience even more vibrant...
5K
53
OCT
31

Stockton, CA
• 59.5 miles
$10 -$55
Come One, Come All to the Halloween Spooktacular! Formerly known as the Brain Health to Beat Stroke, this event is a fang-tastic 5K, 10K, and 1K that raises funds and awareness for strokes. Don't...
1K 5K 10K
16
OCT
31

San Jose, CA
• 19.5 miles
$25 -$100
Halloween costume run along Coyote Creek trail with 5K to Marathon distances and a costume contest.
5K 10K Half Marathon Marathon
97