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    Ultra Races in California

    78 upcoming Ultra races across California. Run This events are listed first — pick a city below to narrow it down.

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    Cities in CaliforniaAuburnEscondidoSan DiegoVenturaDeath ValleyOaklandSanta Cruz

    78 races

    Sat, Nov 14, 2026

    Berkeley Half Marathon 2026

    Berkeley, CA

    Outside1000 m5KMarathon10K

    Thu, Nov 26, 2026

    ENCINITAS TURKEY TROT 2026

    Encinitas, CA

    Outside5K10K1000 m

    Sun, Jan 24, 2027

    Del Dios Trail Race

    Escondido, CA

    Outside31.1 miMarathon10K5K

    Sat, Mar 6, 2027

    Way Too Cool 50K & 10 Mile Endurance Runs 2027

    Cool, CA

    Outside31.1 mi

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    Fri, Sep 18, 2026

    Mile Madness Endurance Run

    Auburn, CA

    Outside10.0 mi31.1 mi50.0 mi100.0 mi

    Sat, Sep 19, 2026

    Bikes & Beers Ventura

    Ventura, CA

    Outside45.0 mi30.0 mi15.0 mi

    Sat, Sep 19, 2026

    Gold Rush Adventure Challenge: Dawn to Dusk

    Sausalito, CA

    Outside50.0 mi

    Tue, Sep 22, 2026

    AERC Mileage Challenge

    Auburn, CA

    Outside100.0 mi

    Sat, Sep 26, 2026

    JP's Backyard Ultra/Hike, The Final Edition

    Napa, CA

    Outside33.0 mi

    Sun, Sep 27, 2026

    Santa Cruz Triathlon

    Santa Cruz, CA

    Outside31.0 mi15.0 mi25.0 mi4.0 mi

    Thu, Oct 1, 2026

    6th Annual Dia de los Muertos 50 Mile Challenge!

    livermore, CA

    Outside50.0 mi

    Thu, Oct 1, 2026

    2026 Santa Cruz Sunrise Rotary Ride - 29th Annual!

    Santa Cruz, CA

    Outside200.0 mi

    Fri, Oct 2, 2026

    SGRAIL Marin - Triathlon & Trail Half Marathon

    San Rafael, CA

    Outside32.0 miMarathon45.1 mi

    Sat, Oct 3, 2026

    Grizzly Gravel & Century Charity Ride

    North Fork, CA

    Outside60.0 mi100.0 mi68.0 mi25.0 mi

    Sat, Oct 10, 2026

    Bikes & Beers San Diego

    San Diego, CA

    Outside45.0 mi30.0 mi15.0 mi

    Sat, Oct 10, 2026

    Ruth Anderson Memorial Endurance Run

    San Francisco, CA

    Outside31.1 mi50.0 mi4.5 mi

    Sun, Oct 11, 2026

    Bizz Johnson

    Susanville, CA

    Outside31.1 miMarathon10K

    Fri, Oct 16, 2026

    Bike to Hope 2026

    Petaluma, CA

    Outside62.1 mi31.1 mi10.0 mi

    Sat, Oct 17, 2026

    Lake Hodges Trail Festival

    San Diego, CA

    Outside31.1 mi15.6 mi9.3 mi6.4 mi

    Sat, Oct 17, 2026

    Ride Santa Barbara 100

    Santa Barbara, CA

    Outside100.0 mi62.1 mi34.0 mi

    Sun, Oct 18, 2026

    Lake Evans Triathlon, 5k & 10k

    Bakersfield, CA

    Outside14.7 mi30.1 mi11.6 mi3.3 mi

    Sun, Oct 18, 2026

    2026 Cal Tri LA - 10.18.26

    Playa Del Rey, CA

    Outside31.4 mi5K1497 m10K

    Wed, Oct 21, 2026

    Hill Valley 88 Miler ™

    Hill Valley, CA

    Outside88.0 mi1 mile805 m402 m

    Sat, Oct 24, 2026

    OC United 2026 Pumpkin Run and Ride

    Fullerton, CA

    Outside5K35.0 mi10.0 mi11.0 mi

    Sat, Oct 24, 2026

    Bike The Coast

    Oceanside, CA

    Outside25.0 mi50.0 mi100.0 mi15.0 mi

    Sun, Oct 25, 2026

    Finish The Ride and Finish The Run Santa Clarita

    Valencia, CA

    Outside1000 m5K10K12.0 mi

    Sat, Oct 31, 2026

    Filthy 50+ - MTB Ride with Benefits

    Escondido, CA

    Outside50.0 mi30.0 mi

    Sun, Nov 1, 2026

    2026 Morro Bay Triathlon

    Morro Bay, CA

    Outside32.0 mi16.0 mi5K

    Sun, Nov 1, 2026

    Miles For Meals Virtual Triathlon and Virtual Marathon

    Sacramento, CA

    Outside70.3 miMarathon

    Sun, Nov 1, 2026

    2026 Optimism Cal Tri Newport Dunes - 11.1.26

    Newport Beach, CA

    Outside31.4 mi5K3.0 mi1497 m

    Sat, Nov 7, 2026

    Lake Chabot Trail Run

    Castro Valley, CA

    Outside4.8 miMarathon18.6 mi31.1 mi

    Sat, Nov 7, 2026

    Mt. Tam Trail Run

    Stinson Beach, CA

    Outside30.5 mi18.5 mi13.7 mi6.1 mi

    Sat, Nov 7, 2026

    2026 Kaiser Permanente Get Fit Festival

    Irvine, CA

    Outside36.0 mi5K30.0 mi

    Sat, Nov 7, 2026

    Ride the Point

    San Diego, CA

    Outside5.0 mi25.0 mi62.5 mi62.0 mi

    Sat, Nov 7, 2026

    Bayshore Sprint and 70.4

    Long Beach, CA

    Outside32.0 mi

    Sat, Nov 14, 2026

    Death Valley Century

    Death Valley, CA

    Outside100.0 mi50.0 mi46.0 mi62.0 mi

    Sat, Dec 5, 2026

    San Joaquin River Trail 10k/25k/50k

    Friant, CA

    Outside31.1 mi15.5 mi10K

    Sat, Dec 19, 2026

    Woodside Ramble

    Woodside, CA

    Outside31.2 mi23.1 mi13.3 mi10K

    Thu, Dec 31, 2026

    New Year's One Day

    San Jose, CA

    Outside100.0 mi50.0 mi30.0 mi3.0 mi

    Fri, Jan 1, 2027

    Badwater 267 VR

    Death Valley, CA

    Outside267.0 mi

    Fri, Jan 1, 2027

    2027 CHALLENGE

    Any City - Any State, CA

    Outside2026.0 mi

    Sat, Jan 9, 2027

    San Diego 50 & Trail Runs

    Escondido, CA

    Outside50.0 miMarathon10.0 mi5.0 mi

    Sat, Jan 9, 2027

    Avalon Benefit 50 Mile/50K Run

    Avalon, CA

    Outside50.0 mi31.1 mi

    Sun, Jan 17, 2027

    SPASM Crystal Springs Trail Run

    Woodside, CA

    Outside5.0 miMarathon22.0 mi31.1 mi

    Sat, Feb 6, 2027

    Golden Gate Trail Run

    Sausalito, CA

    Outside5.0 miMarathon18.6 mi31.1 mi

    Sat, Feb 6, 2027

    Dalton Canyon Ultra

    Glendora, CA

    Outside31.1 mi10K

    Sat, Feb 13, 2027

    FOURmidable

    Auburn, CA

    Outside31.1 mi21.7 mi8.1 mi13.4 mi

    Sat, Feb 13, 2027

    Camino Real Double

    Lake Forest, CA

    Outside200.0 mi

    Sat, Feb 20, 2027

    Montara Mountain Trail Run

    Pacifica, CA

    Outside10KMarathon20.7 mi31.0 mi

    Sat, Feb 20, 2027

    L.A. CHINATOWN FIRECRACKER 5K/10K/KIDDIE/PAW'ER DOG RUN/WALK & BIKE RIDE

    Los Angeles, CA

    Outside1000 m5K10K1 mile

    Sat, Mar 6, 2027

    Solvang Century

    Buellton, CA

    Outside100.0 mi68.0 mi50.0 mi

    Sat, Mar 13, 2027

    Bayshore 70.4 and Sprint Triathlon

    Long Beach, CA

    Outside70.4 mi16.3 mi16.5 mi

    Sat, Mar 20, 2027

    Redwood (Spring) Trail Run

    Oakland, CA

    Outside5.0 miMarathon18.3 mi31.1 mi

    Sat, Mar 20, 2027

    Finish The Ride and Finish The Run Griffith Park

    Los Angeles, CA

    Outside1000 m5K10K9.3 mi

    Sat, Mar 20, 2027

    VALENCIA Trail Race

    Valencia, CA

    Outside31.1 miMarathon10K

    Sat, Apr 3, 2027

    Bedrock Valley Trail Runs

    Hemet, CA

    OutsideMarathon9.3 mi10K5K

    Sat, Apr 3, 2027

    Solvang Double Century

    Buellton, CA

    Outside195.0 mi

    Sun, Apr 4, 2027

    Bedrock Valley Gravel Ride

    Hemet, CA

    Outside22.4 mi44.7 mi67.1 mi10K

    Sat, Apr 17, 2027

    Horseshoe Lake Trail Run

    Los Gatos, CA

    Outside5.1 miMarathon18.6 mi31.1 mi

    Sat, Apr 17, 2027

    Mountains 2 Beach Marathon and Half

    Ventura, CA

    OutsideMarathon10K5K29.3 mi

    Sat, Apr 17, 2027

    Silver Moon Race: Kings River

    Reedley, CA

    Outside100.0 mi7.5 mi12.4 mi24.9 mi

    Sun, Apr 18, 2027

    2027 Granfondo San Diego

    San Diego, CA

    Outside100.0 mi60.0 mi35.0 mi

    Sat, Apr 24, 2027

    Badwater 267 VR Elite

    Death Valley, CA

    Outside267.0 mi

    Sat, Apr 24, 2027

    SPASM Lake Chabot Trail Run

    Castro Valley, CA

    Outside5.0 miMarathon17.9 mi31.0 mi

    Sun, Apr 25, 2027

    Orange County Multisport Festival

    Mission Viejo, CA

    Outside32.0 mi31.1 mi1500 m5K

    Sat, May 1, 2027

    Miwok 100K Trail Race presented by The North Face

    Stinson Beach, CA

    Outside62.1 mi

    Sat, May 1, 2027

    Santa Clarita Trail Race

    Santa Clarita, CA

    Outside5K10K9.3 mi18.6 mi

    Sun, May 2, 2027

    2027 Cal Tri Ventura - 5.2.27

    Ventura, CA

    Outside31.4 mi5K3.0 mi1497 m

    Sat, May 8, 2027

    Grizzly Peak Trail Run

    Berkeley, CA

    Outside10KMarathon18.6 mi31.1 mi

    Sat, May 8, 2027

    Paiute Meadows Trail Run

    Susanville, CA

    Outside31.1 mi18.6 mi13.6 mi4.5 mi

    Sun, May 23, 2027

    Diablo Trail Run

    Clayton, CA

    Outside4.0 mi10.0 miMarathon30.4 mi

    Sat, Jun 5, 2027

    Cinderella Trail Run

    Oakland, CA

    Outside5.0 miMarathon18.6 mi31.1 mi

    Sat, Jun 5, 2027

    Shadow of the Giants 50k & 20k Run

    Fish Camp, CA

    Outside31.1 mi12.4 mi

    Sat, Jun 5, 2027

    Bike the Coast Ventura

    Ventura, CA

    Outside20.0 mi30.0 mi40.0 mi65.0 mi

    Sat, Jun 5, 2027

    2027 Giro di San Diego

    Escondido, CA

    Outside95.0 mi56.0 mi32.0 mi20.0 mi

    Thu, Jun 24, 2027

    Run the Robie (100 Mile relay )

    Auburn, CA

    Outside1 mile100.0 mi

    Sat, Jul 10, 2027

    San Lorenzo River Trail Run

    Santa Cruz, CA

    Outside6.3 miMarathon18.6 mi31.1 mi

    Sat, Aug 14, 2027

    Redwood (Summer) Trail Run

    Oakland, CA

    Outside5.0 miMarathon18.6 mi31.1 mi

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    Ultra races by city in California

    Auburn4Escondido4San Diego4Ventura4Death Valley3Oakland3Santa Cruz3