Trail Running calendar near Lake Los Carneros 2026-2027

A Topanga trail event featuring a rugged 10k with major climbs and coastal views plus a non timed 4.5 mile Hiker's Delight. The day includes aid stations, a beer garden, massage services and free course photography.

A trail running event at Corriganville Park in Simi Valley offering 50K, 30K and 15K courses across Rocky Peak, Las Lljas, and Tapo Canyon with varied terrain, course maps, and proceeds benefiting Challenged Athletes Foundation.

A multi-format trail event at Sand Creek Ranch near Los Olivos, CA featuring a 3.4 mile loop with about 400 ft of gain per lap, on-course aid, free camping, and awards including souvenir gear and buckle prizes for 100 mile finishers.

A loop-based endurance event on Malibu's Chumash Trail with a 3-mile loop and about 1,250 ft gain per loop. It offers two divisions including X HEAVY with escalating weight and uses the motto "Every loop heavier. Every loop harder. Only one..

Trail races in Chesebro Canyon near Agoura, CA featuring a 50k, a half marathon and a 5k on varied singletrack and fire road terrain with aid stations, finisher medals and post-race food.

A multi distance trail event on the Gaviota Coast near Santa Barbara, with routes to Gaviota Peak and ridgelines. Distances range from 12 kilometers to 100 miles and proceeds support local trail maintenance.

Experience an obstacle course race through scenic California vineyards and national forests. Choose from distances ranging from 5K to 50K at this festive weekend featuring rugged trails and vibrant fall colors.

Rancho Ramble Trail Run in Central California on November 1, 2026 offers 10K, half marathon and 50K trail distances across rolling grassy hills and oak lined arroyos. The course features long steep hills and variable footing and is part of..

The Pacific Trails California by UTMB will take place in Lake Los Carneros from Saturday 14 November 2026 to Sunday 15 November 2026.

A Thanksgiving tradition in Santa Clarita Central Park. Choose between a hilly 5K cross country course or a 1K event for younger participants. Proceeds benefit local youth track and field programs.

Ray Miller 50/50 is a trail race at Point Mugu State Park in Malibu on December 5, 2026 offering 50 Miler, 50K and 30K distances. Registration opens April 1, 2026 at 6:00 AM PT and last year it sold out in a day.

A 68 mile ridge line ultra across the Backbone Trail in the Santa Monica Mountains with about 13,600 feet of gain, relay options, and a 200 runner cap. Solo runners must show a prior 50 mile trail finish.

La Cuesta Ranch Trail Run takes place in San Luis Obispo on January 23, 2027 and offers 10 km, 20 km and 30 km trail distances as part of the AllWeDoIsRun event calendar.

Trail races in Calabasas, CA on January 31, 2026 offering 100k, 50 mile, 50k, marathon and 30k distances; the 100k serves as a 2026 WS100 qualifier.

Trail running on private Tejon Ranch in Lebec, California with 100k, 50k, 25k and 11k courses over fire roads, varied terrain and abundant wildlife. The finish area includes hot meals, a beer garden for 21 and live music.

Santa Barbara Nine Trails is a trail running event in Santa Barbara, CA on March 13, 2027, offering 35 mile and 17 mile race options organized by AllWeDoIsRun.

Santa Barbara Nine Trails is a trail running event in Santa Barbara, California on March 13, 2027, offering 35 mile and 17 mile courses organized by AllWeDoIsRun.