Trail Runs in California — 2026

There are 41 trail runs in California scheduled for 2026. The next is the The Napa Lapa in Napa on August 8. California trail runs run primarily August through June.

The Napa Lapa

Sat, Aug 8 · Napa, CA Napa

6 Hour6 Hour Relay12 Hour +2

Closed

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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 Closing Soon

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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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Colby Mountain Trailfest

Sat, Sep 5 · Butte Meadows, CA Butte Meadows

5k12k24k

From $40 Open 30 spots left

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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 Closing Soon

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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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SGRAIL Marin - Triathlon & Trail Half Marathon

Fri, Oct 2 · San Rafael, CA San Rafael

Trail Half MarathonOlympic TriathlonOlympic Relay +2

From $0 Open Closing Soon

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Cirque Series - Mt Baldy, CA

Sat, Oct 3 · Mt Baldy, CA Mt Baldy

Sport Division (beginner / intermediate)Expert DivisionPro Division +1

From $0 Open

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Rock It in Chino Hills 5K & 10K

Sat, Oct 10 · Brea, CA Brea

Rock It in Chino Hills 5KRock It in Chino Hills 10K

From $50 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 Run5kStroller Trail 5k +8

From $15 Open Closing Soon 40 spots left

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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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SPACEROCK Trail Race

Sat, Oct 17 · Aqua Dulce, CA Aqua Dulce

5K10KHalf Marathon +1

From $70 Open

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Fleet Feet Fall Classic - Trail October 18th, 2026

Sun, Oct 18 · Chico, CA Chico

4 Mile Endurance Challenge4 Mile (Single Loop)Fall Classic Half Marathon

From $40 Open

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ZombieRunner Halloween

Sat, Oct 31 · San Jose, CA San Jose

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

From $25 Open

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Zoom Turkey Trot

Thu, Nov 26 · San Jose, CA San Jose

5K5K (12 yo & under)5K (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 (Youth Under 19) +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 ChallengeHollywood Sign 8M Run | Hike +1

From $25 Closed 55 spots left

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Dalton Canyon Ultra

Sat, Feb 6 · Glendora, CA Glendora

Dalton Canyon 10K SoloDalton Canyon 50K: 4 Person RelayDalton Canyon Ultra 50K Solo (EARLY START) +1

From $65 Open

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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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FOURmidable

Sat, Feb 20 · Auburn, CA Auburn

FOURmidable 13kFOURmidable 13kFOURmidable Half Marathon + +5

From $40 Open

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Montara Mountain Trail Run

Sat, Feb 20 · Pacifica, CA Pacifica

10K10KHalf Marathon +7

From $60 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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Zoom San Francisco

Sat, Mar 13 · San Francisco, CA San Francisco

5K (13 - 17 yo)5K (12 yo & under)5K +11

From $25 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 30 spots left

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Redwood (Spring) Trail Run

Sat, Mar 20 · Oakland, CA Oakland

5K5K (Accompanying Adults for Children)5mi (13 - 17 yo) +13

From $30 Open

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VALENCIA Trail Race

Sat, Mar 20 · Valencia, CA Valencia

10K10KHalf Marathon +3

From $67 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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Horseshoe Lake Trail Run

Sat, Apr 17 · Los Gatos, CA Los Gatos

5 mi5 miHalf Marathon +7

From $60 Open

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SPASM Lake Chabot Trail Run

Sat, Apr 24 · Castro Valley, CA Castro Valley

5K8K8K +8

From $0 Open

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No Foolin' Foot Race

Sat, Apr 24 · San Carlos, CA San Carlos

1K Kids Course1K Kids Course5K +5

From $20 Closed

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Santa Clarita Trail Race

Sat, May 1 · Santa Clarita, CA Santa Clarita

1-Mile Hike1-Mile Hike5K +16

From $40 Open

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Griffith Park Trail Marathon Relay & 8K

Sun, Jun 6 · Los Angeles, CA Los Angeles

Griffith Park 8KGriffith Park 8KMarathon Relay Team (up to 5) +1

From $45 Closed

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