Found 305 races

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OCT
11

Long Beach, CA
• 205.6 miles
Iconic Southern California marathon featuring a fast, flat oceanfront course through Long Beach's scenic coastline, perfect for Boston qualifiers and beginners alike.
3m Half Marathon Marathon
458
OCT
11

Montebello, CA
• 47.7 miles
Join the 10K & 5K races in Montebello with finisher medals - register now for this exciting running event!
5K 10K
407
OCT
11

Los Angeles, CA
• 36.4 miles
$35 -$40
In addition to the walkathon, where registrants can choose to walk or run, Witch Way to the Polls is a family-friendly event that features a lively Voter Election Resource Fair with community...
5K
30
OCT
17

Corona, CA
• 22.5 miles
$10 -$25
Get ready to make a difference and have a blast at the 11th Annual Combat Cancer Walk hosted by Support Sisterz! This community event is all about raising funds for women in Corona, Norco,...
35
OCT
17

Los Angeles, CA
• 28.6 miles
$40 -$45
The annual Boyle Heights 5K Run/Walk & Munchkin Fun Run takes place in the historic Mariachi Plaza and along the 6th Street Bridge. It starts & ends at Mariachi Plaza. The street will be lined up...
5K
17
OCT
17

Canoga Park, CA
• 51.7 miles
$34
Back to the Future: 88 MPH Dash 5K, 10K & Half October 17, 2026 · 7:00 a.m. PST · 6846 Owensmouth Ave, Canoga Park, CA Get ready to rev up your DeLorean and hit 88 MPH! This race celebrates the...
5K 10K Half Marathon
56
OCT
17

Lake View Terrace, CA
• 47.0 miles
$26 -$44
We are back at Hansen Dam!! It's time for the Dam Spooky 5k, 10k, 15k, Half Marathon run/walk on Saturday 10/17/26! Included in registration — - custom finisher medals - drawstring goodie bags -...
5K 10K 15K Half Marathon
25
OCT
17

Long Beach, CA
• 14.5 miles
$29 -$48
🎃🐶 Howl-O-Ween Dog Run 🐶🎃               5K & 1 Miler📍 Granada Beach – 5000 E Ocean Blvd, Long Beach, CA 90803 Get ready for a paws-itively spooky good time at the Howl-O-Ween Dog Run — where...
1m 5K
17
OCT
17

San Pedro, CA
• 23.5 miles
$80 -$110
Whether you're a runner, a festival lover, a K-pop fan, or simply looking for an unforgettable day outdoors, Infinite Challenge Run LA is an immersive festival experience where running,...
5K 10K
8
OCT
17

Long Beach, CA
• 17.5 miles
$24 -$42
Race Details Start Location: Alamitos Beach, 780 E Shoreline Dr. Long Beach, CAParking: Parking in the lot is $2/hour and starts at 8am, if you are running the Half/10m you can use the Passport...
5K 10K 10m Half Marathon
20
OCT
17

Pomona, CA
• 23.5 miles
$25 -$60
Join us for the 10th Annual Pomona 5K & 10K on Saturday, October 17, 2026 The Pomona 5K/10K celebrates its 10th anniversary on Saturday, October 17, 2026. Take the chance to be a part of this...
5K 10K
17
OCT
17

Norco, CA
• 23.4 miles
$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

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

Riverside, CA
• 36.3 miles
$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

Huntington Beach, CA
• 36.1 miles
$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

Oceanside, CA
• 79.4 miles
$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

long beach, CA
• 33.3 miles
$22 -$44
It's time for our Monster Dash 5k, 10k, 15k, Half Marathon fun run/walk!!! Check-in - 6:45-7:30AM for everyone Start - 7:30AM Included in registration — - custom finisher medals - drawstring...
5K 10K 15K Half Marathon
17
OCT
24

Covina, CA
• 11.4 miles
$40 -$50
Run4Recovery 5K Run/Walk raises awareness and funding to support recovering alcoholics and addicts by providing Sober Living Scholarships—offering shelter, stability, and nourishment to those...
5K
30
OCT
24

Long Beach, CA
• 33.8 miles
$42 -$57
RunThrough USA Long Beach 5k,10k & Half Marathon Race in Long Beach - 5K, 10K. Register today for this exciting race!
5K 10K Half Marathon
47
OCT
24

Huntington Beach, CA
• 36.5 miles
$22 -$52
SoCal's Sunset Trick or Trot 5K/10K Saturday, October 24th, 2026 | 5:00 PM Bolsa Chica State Beach – Lot 25 Featuring a Trunk-or-Treat Expo beginning at 3:00 PM Back for Year 2 as an Evening...
5K 10K
48