Trail Runs in California — 2026

There are 44 trail runs in California scheduled for 2026. The next is the Red Hills Ramble in Tuolumne on April 25. California trail runs run primarily April.

Red Hills Ramble

Sat, Apr 25 · Tuolumne, CA Tuolumne

10K15K30K

From $45 Open Closing Soon

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Santa Clarita Trail Race

Sat, May 2 · Santa Clarita, CA Santa Clarita

1-Mile Hike5K10K +8

From $40 Open Closing Soon

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Race for Open Space

Sat, May 9 · Carmel-By-The-Sea, CA Carmel-By-The-Sea

Palo Corona to Southbank Trail - Fun Run (1mi)Palo Corona Front-Ranch Lollipop (5k)Palo Corona to Whisler Wilson Overlook - Out & Back (12k) +2

From $20 Open 20 spots left

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Grizzly Peak Trail Run

Sat, May 9 · Berkeley, CA Berkeley

10KHalf MarathonMarathon +2

From $60 Open Closing Soon

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Waves & Whales 5K Trail Run

Sat, May 9 · Point Arena, CA Point Arena

Waves & Whales 5K Trail Run

From $20 Open Closing Soon

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Mount Wilson Trail Race 2026

Sat, May 23 · Sierra Madre, CA Sierra Madre

Trail Race - YouthTrail Race - Adult

From $45 Open Closing Soon 50 spots left

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Mount Laguna

Fri, May 29 · Mt Laguna, CA Mt Laguna

MTBO - Mountain Bike OrienteeringNight Motala - AdvancedNight Classic - Beginner +4

From $10 Open

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Cinderella Trail Run

Sat, May 30 · Oakland, CA Oakland

8KHalf MarathonMarathon +2

From $60 Open

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2026 Lake Chabot Trail Challenge (Half Marathon & 5K)

Sun, Jun 7 · Castro Valley, CA Castro Valley

5K RunHalf Marathon

From $40 Open

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Griffith Park Trail Marathon Relay & 8K

Sun, Jun 7 · Los Angeles, CA Los Angeles

Griffith Park 8KMarathon Relay Team (up to 5)

From $45 Open

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Bizz Johnson's Southside Scramble

Sat, Jun 20 · Susanville, CA Susanville

Hobo Special 7KTunnel's Blast 14KDirty Devil's 22K

From $40 Open

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The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)

Fri, Jun 26 · Castro Valley, CA Castro Valley

The Rock the Loch Half Marathon (LIVE)The Rock the Loch Half Marathon (VIRTUAL)The Rock the Loch 10K (VIRTUAL) +3

From $30 Open Closing Soon

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Chingona Fest

Sat, Jun 27 · Pearblossom, CA Pearblossom

6 Hour Run

From $111 Open 75 spots left

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San Lorenzo River Trail Run

Sat, Jul 11 · Santa Cruz, CA Santa Cruz

10KHalf MarathonMarathon +2

From $60 Open

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SAR Wild Run

Sun, Aug 9 · Shaver Lake, CA Shaver Lake

2M Hike5k Trail Wild Run10k Trail Run +2

From $50 Open

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Redwood (Summer) Trail Run

Sat, Aug 15 · Oakland, CA Oakland

5 mileHalf MarathonMarathon +2

From $60 Open

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Santa Cruz Trail Run

Sat, Aug 22 · Felton, CA Felton

10kHalf Marathon30k

Closed

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SPASM Crystal Springs Trail Run

Sat, Aug 29 · Woodside, CA Woodside

8KHalf Marathon35K +2

From $60 Open

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Diablo Trail Run

Sun, Sep 6 · Clayton, CA Clayton

4 Mi10 MiHalf Marathon +2

From $50 Open

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Mammoth Bar Trail Runs

Sun, Sep 6 · Auburn, CA Auburn

10KHalf Marathon

From $49 Closed

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The Honey Badger Half (& 10K/5K)

Fri, Sep 11 · Santa Venetia, CA Santa Venetia

The Honey Badger Half Marathon VIRTUAL OPTIONThe Honey Badger Half MarathonThe Honey Badger 10K +3

From $30 Open

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Los Angeles Sunset Relays | 5K & Kid Run

Sat, Sep 12 · Los Angeles, CA Los Angeles

Kid RunLA Sunset Trail Relay - FIND ME A TEAM (Free Agent)Los Angeles Sunset 5K +2

From $14.5 Open

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Cirque Series - Mt Baldy, CA

Sat, Oct 3 · Mt Baldy, CA Mt Baldy

Sport Division (beginner / intermediate)Pro DivisionVolunteer +1

From $0 Open

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The Jackalope Lope

Sat, Oct 17 · Redding, CA Redding

8.5 Mile20.5 Mile52k

From $65 Closed

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Lake Hodges Trail Festival

Sat, Oct 17 · San Diego, CA San Diego

Kid's 1 Mile Fun Run5k (Youth Under 19)Stroller Trail 5k +8

From $15 Open Closing Soon 40 spots left

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SPACEROCK Trail Race

Sat, Oct 17 · Aqua Dulce, CA Aqua Dulce

5K10KHalf Marathon +1

From $70 Open

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Heart of Cool Trail Run

Sat, Oct 17 · Cool, CA Cool

5k Trail Run/Walk10k Run/WalkTrail Half Marathon

From $30 Open

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Fleet Feet Fall Classic - Trail October 18th, 2026

Sun, Oct 18 · Chico, CA Chico

4 Mile Endurance ChallengeFall Classic Half Marathon

From $80 Open

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ZombieRunner Halloween

Sat, Oct 31 · San Jose, CA San Jose

5K (13 - 17 yo)5K5K (12 yo & under) +5

From $25 Open

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Lake Chabot Trail Run

Sat, Nov 7 · Castro Valley, CA Castro Valley

5K8KHalf Marathon +3

From $25 Open 30 spots left

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ZombieRunner Quarry Lakes

Sat, Nov 14 · Fremont, CA Fremont

5K (12 yo & under)5K (13 - 17 yo)5K +4

From $25 Open

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Catalina Island Half-Marathon & 10K

Sat, Nov 14 · Avalon, CA Avalon

Kids Fun RunCatalina Island 10KCatalina Island Half Marathon +1

From $20 Open 50 spots left

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Zoom Turkey Trot

Thu, Nov 26 · San Jose, CA San Jose

5K (12 yo & under)5K (13 - 17 yo)5K +4

From $25 Open

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San Diego 50 & Trail Runs

Sat, Jan 9 · Escondido, CA Escondido

Elevated Youth 1 MilerStroller Trail 5kValley 5M +7

From $15 Open

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Crystal Springs Trail Run

Sun, Jan 17 · Woodside, CA Woodside

8KHalf Marathon35K +2

From $60 Open

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Hollywood Sign Run | Hike - 8M | 8K | 5K | Kid

Sun, Jan 24 · Los Angeles, CA Los Angeles

P-2.2K Kid RunGriffith Park 5K Trail ChallengeMt Hollywood 8K +1

From $22 Closed 55 spots left

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Golden Gate Trail Run

Sat, Feb 6 · Sausalito, CA Sausalito

8KHalf MarathonMarathon +2

From $60 Open 50 spots left

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Montara Mountain Trail Run

Sat, Feb 20 · Pacifica, CA Pacifica

10K10KHalf Marathon +7

From $60 Open

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FOURmidable

Sat, Feb 20 · Auburn, CA Auburn

FOURmidable 13kFOURmidable 13kFOURmidable Half Marathon + +5

From $40 Open

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Zoom Angel Island

Sun, Feb 28 · Tiburon, CA Tiburon

5 mi5 mi10 mi +3

From $60 Open

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Catalina Island Marathon, 10K, 5K

Sat, Mar 13 · Avalon, CA Avalon

Kids RunKids RunCatalina Island 5K +7

From $25 Open Closing Soon 30 spots left

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Zoom San Francisco

Sat, Mar 13 · San Francisco, CA San Francisco

5K (13 - 17 yo)5K (13 - 17 yo)5K +11

From $25 Open

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Redwood (Spring) Trail Run

Sat, Mar 20 · Oakland, CA Oakland

5K (Accompanying Adults for Children)5K5mi (13 - 17 yo) +13

From $30 Open

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Bedrock Valley Trail Runs

Sat, Apr 3 · Hemet, CA Hemet

Elevated Youth 1MElevated Youth 1MSOARING 5k +24

From $15 Open

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