2025 Marathons

California 2025 Marathons

Your complete California 2025 marathon calendar. Find every marathon happening in California in 2025 with comprehensive race details, registration information, and official results, including the Carlsbad Marathon (Carlsbad), Redding Marathon (Redding), and Death Valley Marathon (Death Valley National Park).

Each marathon listing includes a 2025 marathon guide including dates, locations, course details, weather conditions, and relevant links for registration and more information. We maintain the most current results database, publishing official results on race day, plus complete 2024 results for year-to-year comparison.

Golden Gate Trail (Winter) Marathon

Sausalito, California

February 1, 2025

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The Golden Gate Trail (Winter) Marathon challenges runners with its diverse terrain, comprising 52% single track, 44% dirt road, and a touch of asphalt, as they ascend a total of 5,100 feet through breathtaking landscapes, including views of the Pacific Coast and the iconic Golden Gate Bridge. This intimate race, capped at 100 participants, offers a well-supported journey through some of California's most scenic vistas, providing a rewarding test of endurance and navigation.

Surf City Marathon

Huntington Beach, California

February 2, 2025

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The Surf City Marathon takes runners on a picturesque 26.2-mile route along the Pacific Coast Highway, featuring stunning ocean views and a mostly flat terrain with a single notable incline. Known for its vibrant community support and festive atmosphere, this Boston-qualifying race offers an ideal experience for runners aiming for personal bests while enjoying the coastal charm of Huntington Beach, California.

SOCAL River Marathon

Huntington Beach, California

March 1, 2025

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The SOCAL River Marathon takes runners on a scenic journey along the Santa Ana River Trail, from Yorba Linda to the coastal beauty of Huntington Beach State Park, with a course that is mostly flat and features a gentle downhill slope. This thoughtfully rejuvenated trail offers a safe and inspiring environment for both newcomers and seasoned runners, with diverse landscapes and a vibrant community atmosphere to enhance the overall marathon experience.

Napa Valley Marathon

Napa, California

March 2, 2025

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The Napa Valley Marathon takes runners on a stunning point-to-point journey from Calistoga to Napa, featuring a net downhill course along the picturesque Silverado Trail with breathtaking views of vineyards and wineries. Known as the "biggest little marathon in the West," this Boston Qualifier combines scenic beauty, mild temperatures, and strong community support, offering an exceptional experience for both novice and seasoned marathoners.

Los Angeles Marathon

Los Angeles, California

March 16, 2025

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The Los Angeles Marathon takes runners on a vibrant 26.2-mile journey from Dodger Stadium to Century City, offering a challenging mix of flat stretches and hills with stunning views of iconic landmarks like the Hollywood Sign and Griffith Observatory. This race captures the dynamic spirit of LA, with enthusiastic spectators lining the route and 19 well-placed aid stations providing ample support, creating an unforgettable running experience through the city's most famous neighborhoods.

Redwood (Spring) Trail Run Marathon

Oakland, California

March 22, 2025

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The Redwood (Spring) Trail Run Marathon takes runners on a challenging journey through the majestic landscapes of Redwood Regional Park, featuring a demanding course with a 3,070-foot elevation gain across technical trails and dirt roads. This race is a unique opportunity to experience the breathtaking beauty of Northern California's towering redwoods and lush greenery, offering a memorable adventure for trail enthusiasts amid a supportive and well-organized event atmosphere.

Modesto Marathon

Modesto, California

March 23, 2025

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The Modesto Marathon features a flat, fast course that weaves through charming college neighborhoods and scenic countryside, offering runners picturesque views of the Diablo Mountain Range and the San Joaquin River National Wildlife Refuge. This race is a community-centered event held annually in late March, known for its strong local support and inclusivity, making it a perfect choice for first-time marathoners and those aiming for a Boston qualifying time.

Golden Gate Headlands Marathon

Sausalito, California

April 5, 2025

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The Golden Gate Headlands Marathon challenges runners with its rugged course featuring over 4,000 feet of elevation gain, single-track trails, and breathtaking views of the Golden Gate Bridge, the Pacific Ocean, and the San Francisco skyline. With a participant cap of 400, this intimate race offers a unique blend of natural beauty and rigorous terrain, making it a must-experience event for trail enthusiasts seeking both a physical and visual adventure near vibrant San Francisco.

Lake Sonoma Marathon

Healdsburg, California

April 12, 2025

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The Lake Sonoma Marathon challenges runners with a 26.2-mile course featuring rolling single-track trails, a steep opening climb, and an elevation gain of 5,122 feet, all set against the stunning backdrop of redwood groves and oak woodlands. This marathon not only tests endurance but also offers a truly immersive experience in Sonoma County's wine country, with breathtaking vistas and a vibrant running community to share the journey.

Mountains to Beach Marathon

Ojai, California

April 13, 2025

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The Mountains 2 Beach Marathon features a breathtaking 26.2-mile course that descends from the artistic streets of downtown Ojai to the serene Ventura beachfront, offering runners a Boston Qualifier-friendly path with over 700 feet of net downhill. This race combines the allure of diverse landscapes with a festive finish line celebration, including food trucks and a beer garden, making it a memorable experience for runners of all levels.

Big Sur International Marathon

Big Sur, California

April 27, 2025

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The Big Sur International Marathon guides runners through a breathtaking 26.2-mile course featuring towering redwoods, sprawling ranches, and dramatic ocean cliffs, highlighted by the iconic crossing of Bixby Creek Bridge. Held each April, this race not only challenges participants with its demanding hills and over 2,500 feet of elevation gain but also enchants them with live music and the unique spirit of the California coast, making it a truly unforgettable experience.

Muir Woods Marathon

Stinson Beach, California

May 10, 2025

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The Muir Woods Marathon challenges runners with its demanding trail, featuring steep climbs, technical single-track paths, and the iconic ascent up the Dipsea Trail to Steep Ravine, all set against the backdrop of the majestic redwoods and Pacific Ocean views. Limited to 300 participants and part of a larger community event, this marathon combines rigorous physical demands with the serene beauty of California's iconic landscapes, offering a uniquely rewarding experience.

Rock 'n' Roll San Diego Marathon

San Diego, California

June 1, 2025

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The Rock 'n' Roll San Diego Marathon takes runners on a captivating journey through the city's vibrant neighborhoods, featuring live music at every mile and a challenging final stretch with panoramic views of the Pacific Ocean. As part of the celebrated Rock 'n' Roll Marathon Series, this race combines athletic challenge with a festive atmosphere, drawing over 30,000 participants annually to experience San Diego's unique spirit and scenic beauty.

Humboldt Bay Marathon

Eureka, California

August 10, 2025

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The Humboldt Bay Marathon features a USATF-certified loop course that meanders along the picturesque Eureka Waterfront Trail, offering runners the chance to experience a "near pancake flat" terrain with gentle rolling hills and scenic bridge crossings over Humboldt Bay. Ideal for those seeking a Boston Marathon qualifier, the race combines a cool August climate with an intimate, community-focused atmosphere, all set against the stunning natural backdrop of Northern California's coastline.

Surfers Point Marathon

Ventura, California

September 7, 2025

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The Surfers Point Marathon features a breathtaking ocean-side course with a flat, fast design that winds along Ventura's scenic coast, from Solimar Beach up the Old Rincon Highway, offering runners minimal elevation gain and a refreshing sea breeze. As a Boston qualifier, this marathon is perfect for personal record attempts and includes festive post-race celebrations with complimentary beer, street tacos, and a friendly atmosphere, making it a standout event in the Californian coastal running scene.

Long Beach Marathon

Long Beach, California

October 5, 2025

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The Long Beach Marathon features a fast, flat course that winds through iconic landmarks like the Queen Mary and offers runners picturesque ocean views along the beach path, making it ideal for those targeting personal bests. Celebrating its 40th anniversary, this well-organized event combines urban and coastal scenery with a lively Finish Line Festival, creating an unforgettable race experience amid California's vibrant Long Beach community.

Bizz Johnson Marathon

Susanville, California

October 12, 2025

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The Bizz Johnson Marathon takes runners through the enchanting Lassen National Forest, featuring a dramatic 1,300-foot descent that winds through the scenic Susan River Canyon and crosses charming wooden railroad bridges. As a Boston qualifier with its fast downhill course, this marathon draws athletes eager for a picturesque and challenging run, complete with historic tunnels and a commitment to environmentally conscious practices.

Lakeside Marathon

Homewood, California

October 17, 2025

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The Lakeside Marathon offers a thrilling downhill course starting at 7,150 feet, with runners descending to 6,800 feet amidst the stunning scenery of Spooner Lake, providing a fast yet demanding race due to its high-altitude start. As part of the Lake Tahoe Marathon weekend, this race combines the natural beauty of the Sierra Nevada with the challenge of dramatic elevation changes, making it a memorable event for those seeking a unique running experience.

Cal-Neva Marathon

Tahoe City, California

October 18, 2025

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The Cal-Neva Marathon takes runners on an exhilarating course that begins at the Spooner Summit in Nevada, descending 1,400 feet to the scenic Commons Beach in Tahoe City, California, with stunning views of Lake Tahoe along the way. Limited to just 100 participants, this marathon offers an intimate and rewarding experience, allowing runners to cross two states in one race while enjoying the natural beauty and camaraderie of a smaller event.

Santa Clarita Marathon

Santa Clarita, California

November 9, 2025

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The Santa Clarita Marathon invites runners to experience its tranquil, 100% bike path course, which features a mostly flat terrain with gentle inclines, ideal for chasing personal bests. As a certified Boston Qualifier, this well-organized race offers a supportive community atmosphere, complete with enthusiastic volunteers and lively finish line celebrations, making it a standout event in Southern California.

Death Valley Trail Marathon

Death Valley National Park, California

December 6, 2025

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The Death Valley Trail Marathon challenges runners with its demanding course, featuring rugged gravel roads, significant elevation changes, and a thrilling 14-mile descent through the breathtaking Titus Canyon. Held in the stark beauty of Death Valley National Park, this race offers an unforgettable journey through one of America's most iconic landscapes, complete with ancient petroglyphs and ghost towns.

California International Marathon

Sacramento, California

December 7, 2025

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The California International Marathon features a rapid, net downhill course from Folsom Dam to the California State Capitol, offering a perfect blend of speed and scenic beauty through vibrant fall landscapes and historic sites. Celebrated for its strong community support and ideal December weather, this marathon is a top choice for runners aiming to set personal records or qualify for the Boston Marathon.