5K Races in California — 2026

There are 720 5K races in California scheduled for 2026. The next is the Superhero 5K Fun Run in Union City on March 8. California 5K races run primarily March through August.

Shaver Lake Mile High Triathlon

Sun, Sep 13 · Shaver Lake, CA Shaver Lake

Virtual AquathlonSprint AquathlonVirtual 5K +18

From $55 Open

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Mammoth BUFF - Beer Mile Run

Fri, Sep 18 · Mammoth Lakes, CA Mammoth Lakes

Mammoth BUFF

From $30 Open

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Hunter's Heart Foundation - A World Beyond Wheels 5K Walk, Run, Ride 2026

Sat, Sep 19 · South El Monte, CA South El Monte

5k Run/Walk/RollVirtual A World Beyond Wheels 5k

From $30 Open

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Anime Fan and Fitness Festival

Sat, Sep 19 · Gilroy, CA Gilroy

Anime Fan and Fitness Festival 5k Run and WalkAnime Fan and Fitness Festival 10k Run and Walk

From $40 Open

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The 41st Annual Newark Mile 4k (2026)

Sat, Sep 19 · Newark, CA Newark

4k (2.5 mile)

From $20 Open

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Kiwanis River Run

Sat, Sep 19 · Fresno, CA Fresno

2 Mile Fun Walk/Run5k Run/Walk10K Trail Run +1

From $20 Closed

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Bayside Saved by the Bell 5K, 10K & Half Marathon

Sat, Sep 19 · Canoga Park, CA Canoga Park

Friends Forever 5KTime Out 10KHall Pass Half Marathon +1

From $34.99 Open

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Race to Cure Sarcoma San Diego

Sat, Sep 19 · San Diego, CA San Diego

5K Run or 1 Mile Walk (Untimed) - Adult5K Run or 1-Mile Walk (Untimed) - Child (Ages 6-12)5K Run (Timed) - Adult +3

From $10 Open

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Season of the Witch 5K 10K by Califlow Runs

Sat, Sep 19 · Long Beach, CA Long Beach

5K10K

From $25 Open

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The Aloha Run

Sat, Sep 19 · Clovis, CA Clovis

2 Mile Run/WalkFun 5K RunCompetitive 5K Race +1

From $35 Open

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Aloha Run Long Beach

Sun, Sep 20 · Long Beach, CA Long Beach

5K Run/Walk10K Run/Walk

From $35 Open Closing Soon

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The Village's Sixth Annual Miles for Mamas Walk/Run-Santa Monica

Sun, Sep 20 · Santa Monica, CA Santa Monica

The Village's Sixth Annual Miles for Mamas-Anywhere You Are!The Village's Sixth Annual Miles for Mamas - Santa Monica, CA

From $45 Open

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Alameda Island Running Festival

Sun, Sep 20 · Alameda, CA Alameda

1 Mile Family Fun RunIsland 5k Run / Walk presented by PenumbraIsland 10K Run +1

From $25 Open

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WalkGood-The People's Pace Walk/Run

Sun, Sep 20 · Los Angeles, CA Los Angeles

5K run/walk (6 and Under)5K Run/Walk10K Run/Walk

From $0 Closed

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Hill Valley 88 Miler ™

Wed, Sep 23 · Hill Valley, CA Hill Valley

The 0.25 MileThe 1/2 MileOne Mile Fun Run/Walk +7

From $15 Open

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CASA Superhero Run 2026

Sat, Sep 26 · Lodi, CA Lodi

CASA Superhero Fun Run 2026

From $35 Closed

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Run for Donuts 5K/10K/13.1 SACRAMENTO

Sat, Sep 26 · Sacramento, CA Sacramento

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open

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Blazin' Eagles 5K Fun Run/Walk

Sat, Sep 26 · Modesto, CA Modesto

1 Mile5K

From $20 Open

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Oktoberfest Run 5K/10K/13.1 LOS ANGELES

Sat, Sep 26 · Los Angeles, CA Los Angeles

Family 1 Mile Fun Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Ascot Hills Challenge 5K

Sat, Sep 26 · Los Angeles, CA Los Angeles

Ascot Hills Challenge Virtual 5KAscot Hills Challenge 5K

From $30 Open

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The 3rd Annual Bakersfield Waffle Run

Sat, Sep 26 · Bakersfield, CA Bakersfield

5K Run / WalkKids 5K Run / Walk (9 under)Virtual 5k Run / Walk +2

From $27 Open

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Oktoberfest Run 5K/10K/13.1 SAN FRANCISCO

Sat, Sep 26 · San Francisco, CA San Francisco

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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Be The Light 5K

Sat, Sep 26 · Valencia, CA Valencia

5k10K

From $50 Open

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Run for Donuts 5K/10K/13.1 LOS ANGELES

Sat, Sep 26 · Los Angeles, CA Los Angeles

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Building Dreams Southland Regional Association of Realtors 5K

Sat, Sep 26 · Van Nuys, CA Van Nuys

5K Run/Walk ( T-Shirt & Medal Included)5K Run/Walk w/K9 (Top Dog Division)5K Run/Walk (Combo - 2 people)

From $35 Closed

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Oktoberfest Run 5K/10K/13.1 SAN DIEGO

Sat, Sep 26 · San Diego, CA San Diego

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration +3

From $30 Open

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Run for Donuts 5K/10K/13.1 SAN FRANCISCO

Sat, Sep 26 · San Francisco, CA San Francisco

Family Fun Run 1 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Run for Donuts 5K/10K/13.1 SAN DIEGO

Sat, Sep 26 · San Diego, CA San Diego

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Oktoberfest Run 5K/10K/13.1 SACRAMENTO

Sat, Sep 26 · Sacramento, CA Sacramento

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Tri to Inspire

Sun, Sep 27 · Santa Rosa, CA Santa Rosa

Mini Sprint Triathlon - FamilyMini Sprint Triathlon - Youth (16 & under)Mini Sprint Triathlon - Adult +5

From $45 Open 2 spots left

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SoCal's Tiki Beach 5K & 10K Run/Walk

Sun, Sep 27 · Huntington Beach, CA Huntington Beach

5K Run/Walk10K Run/WalkKid's Dash (400 yards) or 1 Mile FUN RUN

From $28 Open

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Take Me to Your Pizza : Alien Dash 5K. 10K. Half Marathon by Califlow Runs

Sun, Sep 27 · Long Beach, CA Long Beach

5K: The Fast Slice 5K10K: The Deep Dish Dash 10KHalf Marathon: The Full Pie Half

From $38.99 Open

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The Christian K. West Youth Foundation's 4th Annual Memorial Run

Sun, Sep 27 · Lake View Terrace, CA Lake View Terrace

The Christian K. West Youth Foundation's 4th Annual Memorial Family and Pets 1kThe Christian K. West Youth Foundation's 4th Annual Memorial 5kVirtual Run

From $25 Open

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Santa Cruz Triathlon

Sun, Sep 27 · Santa Cruz, CA Santa Cruz

Sprint AquathlonSprint DistanceSprint Relay +4

From $65 Open 100 spots left

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Heartfelt Fun & Run

Tue, Sep 29 · Petaluma, CA Petaluma

Heartfelt Fun & Run 5K Virtual Run/Walk

From $38 Closed

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Mean Girls 5K, 10K & Half Marathon

Sat, Oct 3 · Canoga Park, CA Canoga Park

The Burn Book 5KThe Glen Coco 10KThe Full Plastics Half Marathon +1

From $34.99 Open

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Awesome 80's Run

Sat, Oct 3 · San Diego, CA San Diego

Radical 5K Run/WalkTubular 10K RunVirtual Event

From $45 Open

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Walk for Water 5K Los Angeles

Sat, Oct 3 · Los Angeles, CA Los Angeles

Virtual Walk for Water 5kWalk for Water 5kDonation Only

From $22.64 Open

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Reyes Adobe Days "RAD" 5K

Sun, Oct 4 · Agoura Hills, CA Agoura Hills

RAD Kids Mile - 10 & underRAD Run - Reyes Adobe Days 5K

From $20 Closed

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Peace Officer Memorial Run

Sun, Oct 4 · Modesto, CA Modesto

Kids Fun Run5KFull Gear Challenge 5K +5

From $0 Open 50 spots left

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Run by the Sea

Sun, Oct 4 · Santa Cruz, CA Santa Cruz

Run by the Sea 4kRun by the Sea 12kRun by the Sea Half Marathon

From $45 Open

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Palos Verdes Trails 5K

Sun, Oct 4 · Palos Verdes Peninsula, CA Palos Verdes Peninsula

Virtual Palos Verdes Trails 5KPalos Verdes Trails 5K - Run/JogPalos Verdes Trails 5K - Fundraise to Run for Free

From $0 Open

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Judgment Day Half Marathon, 10K & 5K Run/Walk

Sun, Oct 4 · Bakersfield, CA Bakersfield

5K Run/Walk10K Run/WalkHalf Marathon +1

From $40 Open

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Redding Breakfast Lions Turtle Bay Run 2026

Sun, Oct 4 · Redding, CA Redding

Turtle Bay 2 mile Fun RunTurtle Bay 10 KTurtle Bay Run Half Marathon

From $25 Open

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Bagel Run 5K/10K/13.1 LOS ANGELES

Sat, Oct 10 · Los Angeles, CA Los Angeles

Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Scarecrow 2.0

Sat, Oct 10 · Exeter, CA Exeter

Kids Dash 6-102 Mile Run/Walk10K Run/Walk +1

From $15 Open

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Bagel Run 5K/10K/13.1 SAN FRANCISCO

Sat, Oct 10 · San Francisco, CA San Francisco

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Bagel Run 5K/10K/13.1 SAN DIEGO

Sat, Oct 10 · San Diego, CA San Diego

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Riverbank Run for the Cheese

Sat, Oct 10 · Riverbank, CA Riverbank

Riverbank Run for the Cheese 1 mile (No shirt option)Riverbank Run for the Cheese 1 Mile (Adult 18 & over)Riverbank Run for Cheese 1 mile youth (17 and under) +11

From $25 Closed

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Coffee Lovers Run 5K/10K/13.1 SAN DIEGO

Sat, Oct 10 · San Diego, CA San Diego

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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