Found 241 races

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OCT
11

Nevada City, CA
• 85.7 miles
$35 -$80
Challenge Yourself and Enjoy the Great Outdoors Join the Sierra TrailBlazers Running Club and Bear Yuba Land Trust for the 2nd annual Champion Mine Trail Race! Get ready to travel to a must-see...
5K 10K Half Marathon
125
OCT
11

San Francisco, CA
• 13.4 miles
Out and back course along JFK Drive in Golden Gate Park. Unique opportunity to run both west and east sides of the park. Gradual uphill to flat on first half, gradual downhill to flat on second...
10K
12
OCT
17

Elk Grove, CA
• 97.8 miles
$45 -$55
Come enjoy a 1.4 mile walk or 2.8 mile run and a day of fun activities in support of NBCAWR.  Early Bird Registration: $45 (starts June 15th; ends Aug. 9th)  **If you are a Breast Cancer...
1m 2m
OCT
17

Cool, CA
• 67.5 miles
$40 -$99
Are you looking for a fun run for a great cause? If so, HoC 5k, 10k and half marathon is just what you are looking for!  Proceeds from this race support programs funded through Georgetown Divide...
5K 10K Half Marathon
82
OCT
17

San Jose, CA
• 48.6 miles
The County of Santa Clara Reentry Resource Center and its partners are hosting a 5K run/walk to raise money to support the immediate needs of justice-involved people (clothing, food, hygiene,...
5K
21
OCT
17

Alameda, CA
• 6.2 miles
$39
  Sign up now for the 4th annual Donut Fun Run on Saturday, October 17, 2026!  Register now for the lowest possible price! $39 adults, $29 for kids under 18, and $29 for seniors. ALL...
85
OCT
18

Chico, CA
• 90.6 miles
$40 -$95
LOCATION South Rim Trail Head/ Backside of Bidwell Golf CourseChico, CA US 95928   DISCRIPTION  Fleet Feet Chico is pleased to offer two trail races in our beautiful Upper Bidwell Park.  The two...
4m Half Marathon
OCT
18

San Francisco, CA
• 10.0 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
1
OCT
18

Roseville, CA
• 50.2 miles
$15 -$30
Join us as we have fun raising funds in support of the bleeding disorders community! Featuring: Vampire Run 5K – join us at our first ever 5K on the trails of Roseville, CA! All runners will get...
1m 5K
38
OCT
24

Hollister, CA
• 97.1 miles
$30 -$55
Like Running or Walking?  Love Wine?  This race is for you!  Join us on Saturday, October 24, 2026 for an exciting event that features The Eden Rift Vineyards. Due to the popularity of this...
5K
14
OCT
24

San Francisco, CA
• 11.5 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
3
OCT
24

Sacramento, CA
• 68.6 miles
$35 -$60
The Night Nation Run is the World’s first Running Music Festival the ultimate blend of a Music Festival and a Fun Run. Experience a music filled course with Live DJs, Bubble Zones, Light Shows,...
8
OCT
25

Winters, CA
• 48.4 miles
$20 -$45
RACE EVENT DESCRIPTION: Grab your costume and running shoes and head out to the 2026 Winters Runners and Walkers Club Spooktacular Fun Run and Costume Contest on Sunday, October 25th.  We’re...
1m 5K 10K
36
OCT
25

Fair Oaks, CA
• 46.5 miles
$25 -$70
Event Location Date & Time: Sunday, October 25, 2026Location: Wild Runners Fair Oaks, 10149 Fair Oaks Blvd, Fair Oaks, CA Participant Packet Pick Up Saturday, October 24, 2026, 10 am – 4 pmRace...
5K 10K
103
OCT
25

San Francisco, CA
• 14.4 miles
Flat, fast, out and back course along paved Great Highway bike path. Come dressed in your Halloween finest! Also, free 1/2 mile Kids Run for children ages 12 and under immediately following the...
5K
2
OCT
30

Alameda, CA
• 6.8 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
15
OCT
31

Sacramento, CA
• 36.8 miles
$30 -$40
Come celebrate Día De Los Muertos (Day Of The Dead) and run a 5k race.    5k run/walk starts 9am on Saturday October 31st, 2026. All levels are welcome, it is a fully paved path, strollers are...
5K
45
OCT
31

Sacramento, CA
• 36.0 miles
$30 -$45
Smooth vibes. Sweet energy. Bold moves. 🥜🍓 PB&J Fuel Run is all about a combo that just works. Mix your pace, spread the fun, and stick with it all the way to the finish. No stress, no...
1m 5K 10K Half Marathon
11
OCT
31

San Francisco, CA
• 41.8 miles
$30 -$45
Smooth vibes. Sweet energy. Bold moves. 🥜🍓 PB&J Fuel Run is all about a combo that just works. Mix your pace, spread the fun, and stick with it all the way to the finish. No stress, no...
1m 5K 10K Half Marathon
7
OCT
31

San Jose, CA
• 85.5 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.
5K 10K Half Marathon Marathon
61