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Race calendar

Ultra Races in California

68 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 CaliforniaSan DiegoAuburnDeath ValleyVentura

68 races

Fri, Aug 14, 2026

Redwood (Summer) Trail Run

Oakland, CA

Outside5.0 miMarathon18.6 mi31.1 mi

Fri, Aug 21, 2026

Liberty Station Adventure Race Training Event

San Diego, CA

Outside41.0 mi

Fri, Aug 28, 2026

SPASM Crystal Springs Trail Run

Woodside, CA

Outside10KMarathon22.0 mi30.9 mi

Mon, Aug 31, 2026

Kids Walk

Loma Linda, CA

Outside1 mile100.0 mi

Sat, Sep 5, 2026

Diablo Trail Run

Clayton, CA

Outside4.0 mi10.0 miMarathon30.4 mi

Sun, Sep 6, 2026

Trail Challenge - The Dublin 26

Dublin, CA

Outside26.0 mi65.0 mi

Sat, Sep 12, 2026

Saddle2Surf

Norco, CA

Outside50.0 mi31.1 mi

Sat, Sep 12, 2026

Shaver Lake Mile High Triathlon

Shaver Lake, CA

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

Thu, Sep 17, 2026

Mile Madness Endurance Run

Auburn, CA

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

Fri, Sep 18, 2026

Bikes & Beers Ventura

Ventura, CA

Outside45.0 mi30.0 mi15.0 mi

Fri, Sep 18, 2026

Gold Rush Adventure Challenge: Dawn to Dusk

Sausalito, CA

Outside50.0 mi

Fri, Sep 25, 2026

JP's Backyard Ultra/Hike, The Final Edition

Napa, CA

Outside33.0 mi

Sat, Sep 26, 2026

Santa Cruz Triathlon

Santa Cruz, CA

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

Wed, Sep 30, 2026

2026 Santa Cruz Sunrise Rotary Ride - 29th Annual!

Santa Cruz, CA

Outside200.0 mi

Thu, Oct 1, 2026

SGRAIL Marin - Triathlon & Trail Half Marathon

San Rafael, CA

Outside32.0 miMarathon45.1 mi

Fri, Oct 2, 2026

Grizzly Gravel & Century Charity Ride

North Fork, CA

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

Fri, Oct 9, 2026

Bikes & Beers San Diego

San Diego, CA

Outside45.0 mi30.0 mi15.0 mi

Fri, Oct 9, 2026

Ruth Anderson Memorial Endurance Run

San Francisco, CA

Outside31.1 mi50.0 mi4.5 mi

Sat, Oct 10, 2026

Bizz Johnson

Susanville, CA

Outside31.1 miMarathon10K

Thu, Oct 15, 2026

Bike to Hope 2026

Petaluma, CA

Outside62.1 mi31.1 mi10.0 mi

Fri, Oct 16, 2026

Lake Hodges Trail Festival

San Diego, CA

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

Fri, Oct 16, 2026

Ride Santa Barbara 100

Santa Barbara, CA

Outside100.0 mi62.1 mi34.0 mi

Sat, Oct 17, 2026

Lake Evans Triathlon, 5k & 10k

Bakersfield, CA

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

Sat, Oct 17, 2026

2026 Cal Tri LA - 10.18.26

Playa Del Rey, CA

Outside31.4 mi5K1497 m10K

Tue, Oct 20, 2026

Hill Valley 88 Miler ™

Hill Valley, CA

Outside88.0 mi1 mile805 m402 m

Fri, Oct 23, 2026

Bike The Coast

Oceanside, CA

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

Sat, Oct 24, 2026

Finish The Ride and Finish The Run Santa Clarita

Valencia, CA

Outside1000 m5K10K12.0 mi

Fri, Oct 30, 2026

Filthy 50+ - MTB Ride with Benefits

Escondido, CA

Outside50.0 mi30.0 mi

Sat, Oct 31, 2026

2026 Morro Bay Triathlon

Morro Bay, CA

Outside32.0 mi16.0 mi5K

Sat, Oct 31, 2026

Miles For Meals Virtual Triathlon and Virtual Marathon

Sacramento, CA

Outside70.3 miMarathon

Sat, Oct 31, 2026

2026 Optimism Cal Tri Newport Dunes - 11.1.26

Newport Beach, CA

Outside31.4 mi5K3.0 mi1497 m

Fri, Nov 6, 2026

Lake Chabot Trail Run

Castro Valley, CA

Outside4.8 miMarathon18.6 mi31.1 mi

Fri, Nov 6, 2026

2026 Kaiser Permanente Get Fit Festival

Irvine, CA

Outside36.0 mi5K30.0 mi

Fri, Nov 6, 2026

Ride the Point

San Diego, CA

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

Fri, Nov 6, 2026

Bayshore Sprint and 70.4

Long Beach, CA

Outside32.0 mi

Fri, Nov 13, 2026

Death Valley Century

Death Valley, CA

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

Fri, Dec 4, 2026

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

Friant, CA

Outside31.1 mi15.5 mi10K

Wed, Dec 30, 2026

New Year's One Day

San Jose, CA

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

Thu, Dec 31, 2026

Badwater 267 VR

Death Valley, CA

Outside267.0 mi

Thu, Dec 31, 2026

2027 CHALLENGE

Any City - Any State, CA

Outside2026.0 mi

Fri, Jan 8, 2027

San Diego 50 & Trail Runs

Escondido, CA

Outside50.0 miMarathon10.0 mi5.0 mi

Fri, Jan 8, 2027

Avalon Benefit 50 Mile/50K Run

Avalon, CA

Outside50.0 mi31.1 mi

Sat, Jan 16, 2027

Crystal Springs Trail Run

Woodside, CA

Outside5.0 miMarathon22.0 mi31.1 mi

Fri, Feb 5, 2027

Golden Gate Trail Run

Sausalito, CA

Outside5.0 miMarathon18.6 mi31.1 mi

Fri, Feb 12, 2027

Camino Real Double

Lake Forest, CA

Outside200.0 mi

Fri, Feb 19, 2027

Montara Mountain Trail Run

Pacifica, CA

Outside10KMarathon20.7 mi31.0 mi

Fri, Feb 19, 2027

FOURmidable

Auburn, CA

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

Fri, Feb 19, 2027

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

Los Angeles, CA

Outside1000 m5K10K1 mile

Fri, Mar 5, 2027

Solvang Century

Buellton, CA

Outside100.0 mi68.0 mi50.0 mi

Fri, Mar 12, 2027

Bayshore 70.4 and Sprint Triathlon

Long Beach, CA

Outside70.4 mi16.3 mi16.5 mi

Fri, Mar 19, 2027

Redwood (Spring) Trail Run

Oakland, CA

Outside5.0 miMarathon18.3 mi31.1 mi

Fri, Mar 19, 2027

Finish The Ride and Finish The Run Griffith Park

Los Angeles, CA

Outside1000 m5K10K9.3 mi

Fri, Mar 19, 2027

VALENCIA Trail Race

Valencia, CA

Outside31.1 miMarathon10K

Fri, Apr 2, 2027

Bedrock Valley Trail Runs

Hemet, CA

OutsideMarathon9.3 mi10K5K

Fri, Apr 2, 2027

Solvang Double Century

Buellton, CA

Outside195.0 mi

Sat, Apr 3, 2027

Bedrock Valley Gravel Ride

Hemet, CA

Outside22.4 mi44.7 mi67.1 mi10K

Fri, Apr 16, 2027

Horseshoe Lake Trail Run

Los Gatos, CA

Outside5.1 miMarathon18.6 mi31.1 mi

Fri, Apr 16, 2027

Mountains 2 Beach Marathon and Half

Ventura, CA

OutsideMarathon10K5K29.3 mi

Fri, Apr 16, 2027

Silver Moon Race: Kings River

Reedley, CA

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

Sat, Apr 17, 2027

2027 Granfondo San Diego

San Diego, CA

Outside100.0 mi60.0 mi35.0 mi

Fri, Apr 23, 2027

Badwater 267 VR Elite

Death Valley, CA

Outside267.0 mi

Fri, Apr 23, 2027

SPASM Lake Chabot Trail Run

Castro Valley, CA

Outside5.0 miMarathon17.9 mi31.0 mi

Sat, Apr 24, 2027

Orange County Multisport Festival

Mission Viejo, CA

Outside32.0 mi31.1 mi1500 m5K

Fri, Apr 30, 2027

Santa Clarita Trail Race

Santa Clarita, CA

Outside5K10K9.3 mi18.6 mi

Sat, May 1, 2027

2027 Cal Tri Ventura - 5.2.27

Ventura, CA

Outside31.4 mi5K3.0 mi1497 m

Fri, May 7, 2027

Grizzly Peak Trail Run

Berkeley, CA

Outside10KMarathon18.6 mi31.1 mi

Fri, Jun 4, 2027

Shadow of the Giants 50k & 20k Run

Fish Camp, CA

Outside31.1 mi12.4 mi

Wed, Jun 23, 2027

Run the Robie (100 Mile relay )

Auburn, CA

Outside1 mile100.0 mi

Ultra races by city in California

San Diego5Auburn3Death Valley3Ventura3