Trail Running calendar near Prisoners Harbor 2026-2027

A multi-format trail running event at East Walker Ranch Open Space on May 2-3, 2026, offering fixed distances, 6/12/24-hour categories, relay teams, on-site camping, cupless aid stations, and themed finisher medals.

Singletrack Stampede on May 9, 2026 in Calabasas CA offers 10k and 22k trail races through varied canyon terrain, included race photography and breakfast, and a $500 course record bonus for the 22k.

Born To Run Ultra Marathon in Los Olivos CA on May 16, 2026 offers distances from 10 miles to 100 miles plus 3- and 4-day formats; registration opens December 1, 2025.

An 80s inspired martial arts themed race day in Canoga Park on May 16, 2026 offering 5K, 10K and a 13.1 mile half plus a virtual option with medal shipping.

Looped trail races at West Creek Park in Valencia offering 5k, 10k, 15k and a half marathon with aid stations each loop. Registration includes a finisher medal, goodie bag, free photos, and results posted within 24 hours.

An annual 5K and 10K run and walk in Rolling Hills Estates on May 30, 2026, using the city bridle trails around Ernie Howlett Park. Overall and age division winners receive plaques and medals.

Trail races at Point Mugu State Park in Malibu, CA on June 6, 2026, offering distances from a half marathon up to 100K; registration closes June 1 at 11:59 PM PT.

Trail running at Topanga State Park with 10k and new 15k courses, a non-timed Hiker's Delight, a kids 1k, on-course aid, chip timing, and prize purses as part of the Bulldog Challenge Series.

A community July 4 event in Newhall Park featuring a flat, paved 5K along the parade route, a Kid K, and a Masters Mile Walk, with shirts, medals, an expo, and awards benefiting local high school cross-country programs.

Two trail races at Elings Park in Santa Barbara on July 4, 2026 featuring a 5K and a 2K kids run that adults may enter; registration fees are $40 and $20 respectively.

Valley Crest Trails in Tarzana, Los Angeles offers a half marathon, 10K and 5K on Mulholland's exposed ridgeline. Expect rolling climbs, broad views and hot, dry mid July conditions.

Tough Mugu at Point Mugu State Park features coastal mountain trail courses of 25k and 10k with ocean views, chip timing, aid stations, handcrafted finisher medals, a post race festival and a $2,000 podium prize purse.

A Malibu Creek State Park trail event offering 25k, 50k and a three-loop 75k ultra with substantial climbing, multiple fully stocked aid stations, finisher medals and prize purses for top 50k finishers.

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..

A 5K at Ernie Howlett Park on the Palos Verdes Peninsula with a shaded horse-trail course, in-person and virtual options, and a fundraising entry where raising $100 covers registration and benefits Strides in Recovery.

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.