# Marathon Races in California (2026)

> 44 upcoming Marathon races across California.

- **Page:** https://runthis.run/races/california/marathon

## Races

- **[Palio di Sonoma - Marathon Challenge on the Fairgrounds Racetrack](https://runthis.run/event/rs-212107-palio-di-sonoma-marathon-challenge-on-the-fairgrounds-racetr)** — Sun, Aug 9, 2026 · 7:00 PM CDT · Santa Rosa, CA · 3.0 mi / Marathon
- **[Redwood (Summer) Trail Run](https://runthis.run/event/rs-114709-redwood-summer-trail-run)** — Fri, Aug 14, 2026 · 7:00 PM CDT · Oakland, CA · 5.0 mi / Marathon / 18.6 mi / 31.1 mi / 2.0 mi
- **[The TRON Night Run: Neon Grid 5K & 10K](https://runthis.run/event/rs-182933-the-tron-night-run-neon-grid-5k-10k)** — Fri, Aug 14, 2026 · 7:00 PM CDT · Canoga Park, CA · 5K / 10K / Marathon
- **[Alien Invasion Man-5K 10K & Half Marathon - Health is Wealth Expo](https://runthis.run/event/rs-209579-alien-invasion-man-5k-10k-half-marathon-health-is-wealth-exp)** — Sat, Aug 15, 2026 · 7:00 PM CDT · Long Beach, CA · 5K / 10K / Marathon
- **[SPASM Crystal Springs Trail Run](https://runthis.run/event/rs-112949-spasm-crystal-springs-trail-run)** — Fri, Aug 28, 2026 · 7:00 PM CDT · Woodside, CA · 10K / Marathon / 22.0 mi / 30.9 mi / 2.0 mi
- **[FIESTA HALF MARATHON & 10K - BAKERSFIELD](https://runthis.run/event/rs-199829-fiesta-half-marathon-10k-bakersfield)** — Fri, Sep 4, 2026 · 7:00 PM CDT · Bakersfield, CA · Marathon / 10K / 2.0 mi
- **[Diablo Trail Run](https://runthis.run/event/rs-114766-diablo-trail-run)** — Sat, Sep 5, 2026 · 7:00 PM CDT · Clayton, CA · 4.0 mi / 10.0 mi / Marathon / 30.4 mi / 2.0 mi
- **[Trail Challenge - The Dublin 26](https://runthis.run/event/rs-130136-trail-challenge-the-dublin-26)** — Sun, Sep 6, 2026 · 7:00 PM CDT · Dublin, CA · 26.0 mi / 65.0 mi
- **[LARPD Marathon On The Move Trail Challenge](https://runthis.run/event/rs-206142-larpd-marathon-on-the-move-trail-challenge)** — Sun, Sep 6, 2026 · 7:00 PM CDT · Livermore, CA · Marathon
- **[The Running Fence Run: A Run of Freedom- Celebrating Christo's 1976 "Running Fence” art project](https://runthis.run/event/rs-172182-the-running-fence-run-a-run-of-freedom-celebrating-christos-)** — Fri, Sep 11, 2026 · 7:00 PM CDT · Bloomfield, CA · Marathon / 10K / 5K
- **[Peace Officer Memorial Run](https://runthis.run/event/rs-108240-peace-officer-memorial-run)** — Sat, Oct 3, 2026 · 7:00 PM CDT · Modesto, CA · Marathon / 5K / 1000 m
- **[Run by the Sea](https://runthis.run/event/rs-136333-run-by-the-sea)** — Sat, Oct 3, 2026 · 7:00 PM CDT · Santa Cruz, CA · 2.5 mi / 7.5 mi / Marathon
- **[2026 Humboldt Redwoods Marathon, Half Marathon, 5K](https://runthis.run/event/rs-109736-2026-humboldt-redwoods-marathon-half-marathon-5k)** — Sat, Oct 10, 2026 · 7:00 PM CDT · Weott, CA · Marathon / 5K
- **[Bizz Johnson](https://runthis.run/event/rs-112840-bizz-johnson)** — Sat, Oct 10, 2026 · 7:00 PM CDT · Susanville, CA · 31.1 mi / Marathon / 10K
- **[Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K](https://runthis.run/event/rs-159614-malibu-moves-half-marathon-10k-5k-1-mi-1k)** — Fri, Oct 23, 2026 · 7:00 PM CDT · Malibu, CA · Marathon / 10K / 5K / 1000 m / 5.0 mi
- **[ZombieRunner Halloween](https://runthis.run/event/rs-116994-zombierunner-halloween)** — Fri, Oct 30, 2026 · 7:00 PM CDT · San Jose, CA · 5K / 10K / Marathon / 45 m / 2.0 mi
- **[Miles For Meals Virtual Triathlon and Virtual Marathon](https://runthis.run/event/rs-211235-miles-for-meals-virtual-triathlon-and-virtual-marathon)** — Sat, Oct 31, 2026 · 7:00 PM CDT · Sacramento, CA · 70.3 mi / Marathon
- **[Two Cities Marathon](https://runthis.run/event/rs-27723-two-cities-marathon)** — Sat, Oct 31, 2026 · 7:00 PM CDT · Fresno, CA · Marathon / 10K / 5K
- **[Lake Chabot Trail Run](https://runthis.run/event/rs-116864-lake-chabot-trail-run)** — Fri, Nov 6, 2026 · 6:00 PM CST · Castro Valley, CA · 4.8 mi / Marathon / 18.6 mi / 31.1 mi / 45 m / 5K / 2.0 mi
- **[Santa to the Sea Half Marathon Expo](https://runthis.run/event/rs-210129-santa-to-the-sea-half-marathon-expo)** — Fri, Dec 11, 2026 · 6:00 PM CST · Oxnard, CA
- **[Run In The New Year 5k/10K/Half Marathon](https://runthis.run/event/rs-33119-run-in-the-new-year-5k-10k-half-marathon)** — Thu, Dec 31, 2026 · 6:00 PM CST · Huntington Beach, CA · 5K / 10K / Marathon
- **[San Diego 50 & Trail Runs](https://runthis.run/event/rs-116123-san-diego-50-trail-runs)** — Fri, Jan 8, 2027 · 6:00 PM CST · Escondido, CA · 50.0 mi / Marathon / 10.0 mi / 5.0 mi / 5K / 1 mile
- **[The Redding Marathon Events](https://runthis.run/event/rs-11201-the-redding-marathon-events)** — Sat, Jan 16, 2027 · 6:00 PM CST · Redding, CA · Marathon / 5K
- **[Crystal Springs Trail Run](https://runthis.run/event/rs-117970-crystal-springs-trail-run)** — Sat, Jan 16, 2027 · 6:00 PM CST · Woodside, CA · 5.0 mi / Marathon / 22.0 mi / 31.1 mi
- **[Golden Gate Trail Run](https://runthis.run/event/rs-121548-golden-gate-trail-run)** — Fri, Feb 5, 2027 · 6:00 PM CST · Sausalito, CA · 5.0 mi / Marathon / 18.6 mi / 31.1 mi / 2.0 mi
- **[Montara Mountain Trail Run](https://runthis.run/event/rs-118174-montara-mountain-trail-run)** — Fri, Feb 19, 2027 · 6:00 PM CST · Pacifica, CA · 10K / Marathon / 20.7 mi / 31.0 mi / 45 m / 2.0 mi
- **[Ventura Marathon](https://runthis.run/event/rs-2599-ventura-marathon)** — Sat, Feb 20, 2027 · 6:00 PM CST · Ventura, CA · Marathon
- **[SOCAL River Marathon - 26.2 - 13.1 - 10K - 5K](https://runthis.run/event/rs-83364-socal-river-marathon-26-2-13-1-10k-5k)** — Fri, Feb 26, 2027 · 6:00 PM CST · Huntington Beach, CA · 5K / 10K / Marathon
- **[2027 SFA Los Angeles Marathon Team](https://runthis.run/event/rs-208005-2027-sfa-los-angeles-marathon-team)** — Thu, Mar 4, 2027 · 6:00 PM CST · Los Angeles, CA · Marathon
- **[Catalina Island Marathon, 10K, 5K](https://runthis.run/event/rs-73049-catalina-island-marathon-10k-5k)** — Fri, Mar 12, 2027 · 6:00 PM CST · Avalon, CA · Marathon / 10K / 5K / 1000 m
- **[Redwood (Spring) Trail Run](https://runthis.run/event/rs-121587-redwood-spring-trail-run)** — Fri, Mar 19, 2027 · 7:00 PM CDT · Oakland, CA · 5.0 mi / Marathon / 18.3 mi / 31.1 mi / 45 m / 2.0 mi
- **[Bedrock Valley Trail Runs](https://runthis.run/event/rs-123798-bedrock-valley-trail-runs)** — Fri, Apr 2, 2027 · 7:00 PM CDT · Hemet, CA · Marathon / 9.3 mi / 10K / 5K / 1 mile / 22.4 mi / 44.7 mi / 67.1 mi
- **[2027 Bakersfield Marathon Health & Wellness Expo & Finish Line Village](https://runthis.run/event/rs-123947-2027-bakersfield-marathon-health-wellness-expo-finish-line-v)** — Fri, Apr 2, 2027 · 7:00 PM CDT · Bakersfield, CA
- **[Bakersfield Marathon](https://runthis.run/event/rs-19710-bakersfield-marathon)** — Fri, Apr 2, 2027 · 7:00 PM CDT · Bakersfield, CA · Marathon / 10K / 5K / 1000 m
- **[Modesto Marathon](https://runthis.run/event/rs-74125-modesto-marathon)** — Sat, Apr 3, 2027 · 7:00 PM CDT · Modesto, CA · Marathon / 10K / 5K
- **[San Diego Beach & Bay Half Marathon](https://runthis.run/event/rs-193380-san-diego-beach-bay-half-marathon)** — Fri, Apr 9, 2027 · 7:00 PM CDT · San Diego, CA · Marathon / 10K / 3.2 mi / 5K
- **[Horseshoe Lake Trail Run](https://runthis.run/event/rs-124209-horseshoe-lake-trail-run)** — Fri, Apr 16, 2027 · 7:00 PM CDT · Los Gatos, CA · 5.1 mi / Marathon / 18.6 mi / 31.1 mi / 2.0 mi
- **[Mountains 2 Beach Marathon and Half](https://runthis.run/event/rs-4487-mountains-2-beach-marathon-and-half)** — Fri, Apr 16, 2027 · 7:00 PM CDT · Ventura, CA · Marathon / 10K / 5K / 29.3 mi / 16.2 mi / 9.3 mi / 1000 m
- **[SPASM Lake Chabot Trail Run](https://runthis.run/event/rs-121588-spasm-lake-chabot-trail-run)** — Fri, Apr 23, 2027 · 7:00 PM CDT · Castro Valley, CA · 5.0 mi / Marathon / 17.9 mi / 31.0 mi / 2.0 mi
- **[The Hoag OC Marathon Running Festival](https://runthis.run/event/rs-133058-the-hoag-oc-marathon-running-festival)** — Fri, Apr 30, 2027 · 7:00 PM CDT · Costa Mesa, CA · 5K / Marathon
- **[2027 Avenue of the Giants Marathon](https://runthis.run/event/rs-110008-2027-avenue-of-the-giants-marathon)** — Sat, May 1, 2027 · 7:00 PM CDT · Arcata, CA · Marathon / 10K
- **[Grizzly Peak Trail Run](https://runthis.run/event/rs-121923-grizzly-peak-trail-run)** — Fri, May 7, 2027 · 7:00 PM CDT · Berkeley, CA · 10K / Marathon / 18.6 mi / 31.1 mi / 2.0 mi
- **[Griffith Park Trail Marathon Relay & 8K](https://runthis.run/event/rs-52611-griffith-park-trail-marathon-relay-8k)** — Sat, Jun 5, 2027 · 7:00 PM CDT · Los Angeles, CA · Marathon / 5.0 mi
- **[Pre-Registration Bakersfield Marathon 2028](https://runthis.run/event/rs-144906-pre-registration-bakersfield-marathon-2028)** — Sat, Apr 1, 2028 · 7:00 PM CDT · Bakersfield, CA · Marathon / 10K / 5K

## Marathon races by city

- [Bakersfield, CA (4)](https://runthis.run/races/california/bakersfield/marathon.md)

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Source: [https://runthis.run/races/california/marathon](https://runthis.run/races/california/marathon) — data from Run This (runthis.run).