Found 743 races

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OCT
17

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

Santa Barbara, CA
$79 -$199
Premier destination century ride on California's Central Coast benefiting MOVE Santa Barbara County.
34m 100K 100m
97
OCT
17

Aqua Dulce, CA
$85 -$195
Trail running race (Half+/15K/10K/5K) at Vasquez Rocks, Agua Dulce, CA.
5K 10K 15K Half Marathon
85
OCT
17

Agua Dulce, CA
$70 -$195
SPACEROCK: the final trail running frontier. These are the voyages of trail runners around the world. Your mission: to explore strange new trails, to seek out new life and new experiences, to...
5K 10K 15K Half Marathon
61
OCT
17

Springville, CA
$15 -$55
5K and 10K run at the Springville Apple and Arts Festival in California.
2m 5K 10K
46
OCT
17

Chula Vista, CA
A 5K bursting with color, music, and celebration at Chula Vista Elite Training Center.
28
OCT
17

Alameda, CA
$39 -$59
A timed, donut-themed 5K race for all ages and abilities at Alameda Point's Seaplane Lagoon Promenade.
129
OCT
17

Norco, CA
$60 -$150
The Ruck Challenge (TRC), now in its 10th Annual 10K 5K competition, aims to foster teamwork and camaraderie among veterans engaged in rehabilitative programs in our community. It challenges...
5K 10K
3
OCT
18

San Luis Obispo, CA
$50 -$125
CUESTA COLLEGE'S - CITY TO THE SEA HALF MARATHON & 5K RUNNING WAREHOUSE - HALF MARATHON (13.1 MILES) Start with the sunrise at historic Mission Plaza for this one of a kind race. The City to the...
5K Half Marathon
46
OCT
18

Beverly Hills, CA
$15 -$55
A 5k run/walk along the tree-lined streets of Beverly Hills benefiting pediatric cancer research.
1K 5K
20
OCT
18

Chico, CA
$40 -$95
LOCATION South Rim Trail Head/ Backside of Bidwell Golf CourseChico, CA US 95928   DISCRIPTION  Fleet Feet Chico is pleased to offer Three trail races in our beautiful Upper Bidwell Park.  The...
4m Half Marathon
20
OCT
18

Riverside, CA
$25 -$115
The 49th Annual Mission Inn Run returns to downtown Riverside on October 18, 2026!  The Mission Inn Run, a signature Riverside event and key fundraiser for the Mission Inn Foundation, has been a...
2K 5K 10K Half Marathon
143
OCT
18

San Francisco, CA
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

San Diego, CA
$35
SD HipHop 5K Run/Walk October 18, 2026 Gather the family to come out and celebrate a fun and festive run/walk at the 7th Annual SD HipHop 5k. And we our proud to announce that we are also...
5K
57
OCT
18

Fresno, CA
$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
18

Roseville, CA
$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
56
OCT
18

Huntington Beach, CA
$15 -$58
Witches Wave Halloween Run – A Spooky Sprint by the Sea! 🧙‍♀️🌊📍 Lot 25 Bolsa Chica State Beach🎃 Run Fast, Get Spooky, and Ride the Wicked Wave! The ocean’s not the only thing making waves this...
5K 10K Half Marathon
64
OCT
24

Big Sur, CA
$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

Oceanside, CA
$50 -$190
Experience gorgeous riding along pristine beaches, historic Pacific Coast Highway, iconic beach landmarks and unique, Southern California weather with the annual Bike The Coast Bike Tour. ...
15m 25m 50m 100m
60
OCT
24

Bakersfield, CA
$30 -$55
Get ready to unleash your inner superhero at the CASA Superhero Run on Saturday, October 24, 2026, at the Park at Riverwalk! Whether you're a seasoned runner or just looking for a fun,...
2K 5K 10K
35