Trail Runs in California — 2026

There are 52 trail runs in California scheduled for 2026. The next is the Catalina Island Marathon, 10K, 5K in Avalon on March 14. California trail runs run primarily March through February.

Catalina Island Marathon, 10K, 5K

Sat, Mar 14 · Avalon, CA Avalon

Kids RunCatalina Island 5KCatalina Island 10K +2

From $25 Open Closing Soon 30 spots left

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Redwood (Spring) Trail Run

Sat, Mar 21 · Oakland, CA Oakland

5K (Accompanying Adults for Children)5K5mi (12 yo & under) +6

From $30 Open Closing Soon

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VALENCIA Trail Race

Sat, Mar 21 · Valencia, CA Valencia

10KHalf Marathon50K Ultra

From $85 Open Closing Soon

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Chollas Lake Park

Sat, Mar 21 · San Diego, CA San Diego

Traditional - BeginnerTraditional - IntermediateTraditional - Advanced

From $15 Open Closing Soon

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Zoom San Francisco

Sat, Mar 28 · San Francisco, CA San Francisco

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

From $25 Open

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Rock It in El Moro Canyon 6K & 10 Miler

Sat, Apr 4 · Laguna Beach, CA Laguna Beach

Rock It in El Moro Canyon 6KRock It in El Moro Canyon 10 Miler

From $65 Open

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41st Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M

Sat, Apr 11 · Agoura Hills, CA Agoura Hills

United Track 1 MILE - All AgesDEENA KASTOR 5KPure Water OLD AGOURA 10K +4

From $32.07 Open Closing Soon 75 spots left

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Lake Sonoma 100K, 50K, TS Half Marathon

Sat, Apr 11 · Geyserville, CA Geyserville

Trail Sisters Women's Half MarathonLake Sonoma 50KLake Sonoma 100K

From $110 Open

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Bedrock Valley Trail Runs

Sat, Apr 11 · Hemet, CA Hemet

Elevated Youth 1M5k (Youth Under 19)Stroller Trail 5k +11

From $15 Open Closing Soon

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SPASM Lake Chabot Trail Run

Sat, Apr 11 · Castro Valley, CA Castro Valley

5K8KHalf Marathon +3

From $0 Open

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Horseshoe Lake Trail Run

Sat, Apr 18 · La Honda, CA La Honda

5 miHalf MarathonMarathon +2

From $60 Open

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Ramona Wine Country 5K

Sat, Apr 18 · Ramona, CA Ramona

Beer MileBeer Mile (Team Relay)5K - Competitive Heat (Cross Country Teams) +2

From $22 Open

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No Foolin' Foot Race

Sat, Apr 18 · San Carlos, CA San Carlos

1K Kids Course5K10k +1

From $20 Open Closing Soon

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Hotshot Half Marathon

Sat, Apr 18 · Camptonville, CA Camptonville

14.5 Mile Trail Run

From $80 Open

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Red Hills Ramble

Sat, Apr 25 · Tuolumne, CA Tuolumne

10K15K30K

From $45 Open

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Santa Clarita Trail Race

Sat, May 2 · Santa Clarita, CA Santa Clarita

1-Mile Hike5K10K +8

From $40 Open

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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 60 spots left

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Grizzly Peak Trail Run

Sat, May 9 · Berkeley, CA Berkeley

10KHalf MarathonMarathon +2

From $60 Open

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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

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Mount Wilson Trail Race 2026

Sat, May 23 · Sierra Madre, CA Sierra Madre

Trail Race - AdultTrail Race - Youth

From $45 Open 50 spots left

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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

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Chingona Fest

Sat, Jun 27 · Pearblossom, CA Pearblossom

6 Hour Run

From $111 Open 70 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 $45 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

Sun, Aug 30 · 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 MarathonThe Honey Badger Half Marathon VIRTUAL OPTIONThe Honey Badger 10K VIRTUAL OPTION +3

From $30 Open

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Los Angeles Sunset Trail Relay | 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 +1

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)VolunteerExpert Division +1

From $0 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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Lake Hodges Trail Festival

Sat, Oct 17 · San Diego, CA San Diego

Kid's 1 Mile Fun Run5k5k (Youth Under 19) +8

From $15 Open 40 spots left

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SPACEROCK Trail Race

Sat, Oct 17 · Aqua Dulce, CA Aqua Dulce

5K10KHalf Marathon +1

From $70 Open Closing Soon

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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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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

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

Sat, Nov 14 · Fremont, CA Fremont

5K (13 - 17 yo)5K5K (12 yo & under) +4

From $25 Open

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Zoom Turkey Trot

Thu, Nov 26 · San Jose, CA San Jose

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