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Ventura

St. Helena Hometown Harvest Festival 5K Race and 1mi Fun Run/Walk

Sat 7:45 AM

Harvest run

St. Helena

MPSF Open Water Championships - Masters/Open 5 Kilometer and 1 Kilometer Open Water Swim

Sat 12:00 PM

Open water swim

Long Beach Marine Stadium81°

Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs

Sun 7:30 AM

Huntington Beach

SD HipHop 5k

Sun 8:00 AM

Lincoln Park

Bearathlon

Oct 24 7:00 AM

Berkeley Marina

Lake Elsinore Color Run

Oct 24 7:30 AM

Color run

RunThrough USA Long Beach 5k,10k & Half Marathon Race

Oct 24 8:00 AM

Road race

Long Beach

The Main Street Monster Mile

Oct 24 8:30 AM

Monster mile

Mistletoe Park

SoCal's Sunset Trick or Trot 5k/10K - Halloween Race

Oct 24 4:30 PM

Huntington Beach

Sharsheret West Coast Dash

Oct 25 8:00 AM

Dockweiler Beach

Hop Skip and Splash 5K Fun Run/Walk

Oct 25 9:00 AM

Beach run

Huntington Beach

USS Hornet Halloween 5k

Oct 30 6:30 PM

Halloween 5k

Woodstock

Whittier Spooktacular 5K

Oct 31 7:30 AM

Halloween 5K

Whittier Community Center

Northgate Market 5K

Oct 31 7:45 AM

This Hill Has Eyes 5K

Oct 31 8:00 AM

Halloween 5K

Palmdale

UC San Diego Score-O

Oct 31 10:00 AM

Orienteering race

La Jolla Farms

Halloween Leftovers – 5K, 10K, 10-Miler, Half Marathon

Nov 1 7:00 AM

Long Beach

Saratoga Education Foundation 5K Fun Run

Nov 1 9:00 AM

5K fun run

Saratoga

Mt. Tam Trail Run

Nov 7 7:30 AM

Stinson Beach

5th Annual Tiger Run 5K

Nov 7 8:00 AM

Wildomar

Back the Blue

Nov 7 8:45 AM

Glen Loma Ranch

Miles for Migraine San Diego

Nov 7 9:30 AM

Migraine fun run

Banker's Hill

Run With Los Muertos 5K & Block Party

Nov 7 6:00 PM

Coachella

Donut Runners Rejoice – 5K, 10K, 10-Miler, Half Marathon

Nov 8 7:00 AM

Donut run

Long Beach

Thrive San Diego Half Marathon & 5K

Nov 14 7:00 AM

Half marathon

Vacation Isle

Veterans Day Freedom Run 5K/10K/13.1 SAN DIEGO

Nov 14 7:30 AM

Spanish Landing Park

City of Commerce 5K Turkey Trot

Nov 14 7:30 AM

Turkey trot

Commerce

Catalina Island Half-Marathon & 10K

Nov 14 8:00 AM

Pebbly Beach

Girls on the Run Bay Area Fall 5K

Nov 14 10:00 AM

San Leandro

Race to Cure Sarcoma Los Angeles

Nov 15 8:30 AM

Griffith Park

Panther Prowl Jogathon

Tmrw 8:30 AM

Kids fun run

Shinn

Ride Santa Barbara 100

Sat 7:00 AM

Cycling event

Chase Palm Park

POMONA 5K & 10K

Sat 7:10 AM

Running race

Infinite Challenge Run

Sat 8:00 AM

K-pop show

74°

A Snail's Pace x Saucony Sunset Relays

Sat 4:00 PM

Relay race

Fullerton High School

MOB 5K Run Walk For Fun

Sun 7:00 AM

5K run walk

Bay Terraces66°

Pasadena Trail Half & 10k/5k

Sun 7:30 AM

Trail race

65°

Howlin' Moon

Oct 24 7:00 AM

Little Marina Green

Pink on Parade

Oct 24 7:30 AM

Charity walk

Grand

Vaquero Strong 5K

Oct 24 8:00 AM

El Camino Real

Oakland Hills Trail Run

Oct 24 8:30 AM

Piedmont Pines

ROCK & RUN 5K

Oct 24 9:00 AM

Charity 5K

El Segundo

Space Race Run

Oct 25 8:00 AM

Pasadena

Pleasanton Rotary Halloween Spirit Run

Oct 25 8:30 AM

Costume run

Pleasanton

Lake Casitas Short Course Championships (Middle School Racer Sign Ups ONLY)

Oct 30 4:15 PM

Ventura

PB&J Fuel Run 5K/10K/13.1 SAN DIEGO

Oct 31 7:30 AM

5K/10K run

Spanish Landing Park

Halloween Trick or Trot Run 5K/10K/13.1 LOS ANGELES

Oct 31 7:30 AM

Palisades Park

LASAA Mug Run - South LA

Oct 31 8:00 AM

5K and 10K

West Athens

Gardner Health Services 2026 Día de los Muertos Run-Walk

Oct 31 8:30 AM

Alviso

DINO DASH

Nov 1 6:30 AM

THE MARKET PLACE

Las Calaveritas 10 Miler

Nov 1 8:00 AM

Road race

Lake View Terrace

GSAC XC Championship

Nov 6 5:00 AM

Saugus

Tunnel to Towers 5K Run & Walk - Santa Rosa

Nov 7 8:00 AM

Santa Rosa

Kaiser Permanente Get Fit Festival

Nov 7 8:00 AM

Fitness festival

Irvine Spectrum

2nd Annual AMCFF “Running Con Ganas” 5K to Unite Los Angeles Community at LA Mission College

Nov 7 9:00 AM

Charity 5K

CUHSD ED Foundation: HERO 5K

Nov 7 10:00 AM

Charity 5K

Dry Creek

Temecula Half Marathon, 10K, 5K

Nov 8 7:00 AM

Half marathon

Wilson Creek Winery

Sandy Sprint California Run/Walk for Ovarian Cancer

Nov 8 9:00 AM

5K fundraiser

Huffin for the Stuffin- Turkey Trot 5K, 10K, & Half Marathon

Nov 14 7:00 AM

Turkey trot

Naples

Veterans Day Freedom Run 5K/10K/13.1 LOS ANGELES

Nov 14 7:30 AM

Veterans Day run

Palisades Park

DoggieRun 4K/5K: Run to Promote Adoption! with pet or human division.

Nov 14 8:00 AM

Dog-friendly run

USACE SPL 5K

Nov 14 9:00 AM

Corona

Fight Fentanyl 5K Run

Nov 14 9:00 AM

Palmdale

Kendra's Race Triathlon and 5k

Nov 15 8:00 AM

Lot 6

Back to the Future: 88 MPH Dash 5K, 10K & Half

Sat 7:00 AM

Themed run

The Red Tulip Run

Sat 7:00 AM

Sycamore Homes

San Diego Miles for Melanoma 5K

Sat 7:30 AM

Melanoma 5K run

Pacific Beach74°

The Donut Fun Run

Sat 9:00 AM

Alameda

MISSION INN FOUNDATION RUN

Sun 6:30 AM

Downtown Riverside63°

LIVE LIKE JOJO SUPERHERO EXPERIENCE

Sun 7:30 AM

Charity walk

Outlets @ San Clemente

Beverly Hills Run of the Stars:

Sun 8:30 AM

Beverly Hills

OC United 2026 Pumpkin Run and Ride

Oct 24 7:15 AM

Pumpkin run

Downtown Fullerton

Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K

Oct 24 8:00 AM

Kids fun run

Zuma Beach

LASAA Mug Run - LASD Carson Station

Oct 24 8:00 AM

Carson

Run4Recovery 5K Run/Walk

Oct 24 9:00 AM

Covina

Alhambra Pumpkin Run

Oct 25 7:50 AM

Pumpkin run

Alhambra

1 IN 5K Dyslexia Dash

Oct 25 8:30 AM

Awareness run

Hauntington Park 5K

Oct 28 6:00 PM

Costume run

Huntington Park

The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow Runs

Oct 31 7:00 AM

Belmont Shore

PB&J Fuel Run 5K/10K/13.1 LOS ANGELES

Oct 31 7:30 AM

Palisades Park

ZombieRunner Halloween

Oct 31 7:55 AM

Hellyer County Park

Howl-o-ween Doggie Dash 5K

Oct 31 8:30 AM

Doggie 5K

Oakland Tech 5km/1 mile Race/Run/Walk Fundraiser

Nov 1 6:00 AM

Oakland Hills

Optimism Cal Tri Newport Dunes - 11.1.26

Nov 1 7:00 AM

Newport Dunes Waterfront Resort & Marina -

Coastal Canyon XC League Finals

Nov 5 1:00 PM

Mission Oaks

Bayshore Sprint and 70.4

Nov 7 7:00 AM

Belmont Shore

Palm Springs Pride 5K Run & Walk

Nov 7 8:00 AM

Pride 5K

Palm Springs

Beer City Half™ OC

Nov 7 8:30 AM

Beer festival

Santa Ana Gardens

3rd Annual Celebration Of Life 5K/Kids Run/Walk

Nov 7 9:00 AM

San Jose

Jakes & Del Mar Lifeguard Association Fun Run/Walk

Nov 7 11:00 AM

Fun run/walk

Beach Colony

Shark Attack 5K & 1 Mile Run

Nov 8 7:30 AM