Trail Runs in California — 2026

There are 43 trail runs in California scheduled for 2026. The next is the The Jackalope Lope in Redding on October 17. California trail runs run primarily October through August.

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 Closed

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Rancho Cuyamaca State Park

Sat, Oct 10 · Julian, CA Julian

Traditional - Advanced/ExpertTraditional - BeginnerTraditional - Intermediate/Advanced

From $15 Closed

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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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Heart of Cool Trail Run

Sat, Oct 17 · Cool, CA Cool

5k Trail Run/Walk10k Run/WalkTrail Half Marathon

From $30 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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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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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 Closing Soon 50 spots left

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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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UCSD Score-O

Sat, Oct 31 · La Jolla, CA La Jolla

Score-O (Mass start)

From $15 Open Closing Soon

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Epicpalooza

Sat, Nov 7 · Moorpark, CA Moorpark

Epicpalooza 5KEpicpalooza 10KEpicpalooza Kids 1K

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 Closing Soon 50 spots left

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Konocti Climb 5K

Sat, Nov 14 · Kelseyville, CA Kelseyville

Konocti Climb 5k

From $55 Open

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ZombieRunner Quarry Lakes

Sat, Nov 14 · Fremont, CA Fremont

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

From $25 Open

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The Wild Turkey

Thu, Nov 26 · Granite Bay, CA Granite Bay

5k Race10K Race

From $38 Open

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Zoom Turkey Trot

Thu, Nov 26 · San Jose, CA San Jose

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

From $25 Open

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Auburn Resolution Run

Fri, Jan 1 · Auburn, CA Auburn

5kVirtual Run - Any distance10 mile +1

From $30 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 Closing Soon

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SPASM 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 31 · Los Angeles, CA Los Angeles

P-2.2K Kid RunGriffith Park 5K Trail ChallengeHollywood Sign 8M Run | Hike +1

From $25 Open 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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Dalton Canyon Ultra

Sat, Feb 6 · Glendora, CA Glendora

Dalton Canyon 10K SoloDalton Canyon Ultra 50K SoloDalton Canyon Ultra 50K Solo (EARLY START) +1

From $65 Open

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FOURmidable

Sat, Feb 13 · 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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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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Zoom San Francisco

Sat, Mar 13 · San Francisco, CA San Francisco

5K (13 - 17 yo)5K5K (12 yo & under) +11

From $25 Open

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VALENCIA Trail Race

Sat, Mar 20 · Valencia, CA Valencia

10K10KHalf Marathon +3

From $67 Open

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Redwood (Spring) Trail Run

Sat, Mar 20 · Oakland, CA Oakland

5K (Accompanying Adults for Children)5K5 mile +13

From $30 Open

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Bedrock Valley Trail Runs

Sat, Apr 3 · Hemet, CA Hemet

Elevated Youth 1MElevated Youth 1MStroller Trail 5k +24

From $15 Open

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Rock It in El Moro Canyon 6K & 10 Miler

Sat, Apr 3 · Laguna Beach, CA Laguna Beach

Rock It in El Moro Canyon 6KRock It in El Moro Canyon 6KRock It in El Moro Canyon 10 Miler +1

From $65 Open

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

Sat, Apr 10 · Agoura Hills, CA Agoura Hills

1 MILE - All AgesUnited Track 1 MILE - All AgesDEENA KASTOR 5K +11

From $32.07 Open 76 spots left

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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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Ramona Wine Country 5K

Sat, Apr 17 · Ramona, CA Ramona

Beer Mile (Team Relay)Beer MileBeer Mile +7

From $25 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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SPASM Lake Chabot Trail Run

Sat, Apr 24 · Castro Valley, CA Castro Valley

5K8K8K +8

From $0 Open

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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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Miwok 100K Trail Race presented by The North Face

Sat, May 1 · Stinson Beach, CA Stinson Beach

Miwok 100k PLUS 16 week Training PlanMiwok 100KMiwok 100K +5

From $150 Closed 39 spots left

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Grizzly Peak Trail Run

Sat, May 8 · Berkeley, CA Berkeley

10K10KHalf Marathon +7

From $60 Open

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Diablo Trail Run

Sun, May 23 · Clayton, CA Clayton

4 Mi4 Mi10 Mi +7

From $50 Open

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Cinderella Trail Run

Sat, Jun 5 · Oakland, CA Oakland

8K8KHalf Marathon +7

From $60 Open

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2027 Lake Chabot Trail Challenge (Half Marathon & 5K)

Sun, Jun 6 · Castro Valley, CA Castro Valley

5K Run5K RunHalf Marathon +1

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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San Lorenzo River Trail Run

Sat, Jul 10 · Santa Cruz, CA Santa Cruz

10K10KHalf Marathon +7

From $60 Open

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Redwood (Summer) Trail Run

Sat, Aug 14 · Oakland, CA Oakland

5 mile5 mileHalf Marathon +7

From $60 Open

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