Trail Running calendar near Whittier Narrows 2026-2027

Trail races at The Lakes Community Center in Lake Hughes on April 18, 2026, offering distances from 30K to 100 miles; the 100K and 100M are Western States qualifiers and the 50M awards AC100 Sterling Silver tickets to top finishers.

This trail running event on the Soboba Indian Reservation features a Marathon, Half Marathon, 5k, and Kids 3k. Courses include varied terrain with significant elevation gain. Proceeds support Noli Indian School scholarships.

Point Mugu Trail Run in Malibu features a 13.3 mile half and a 6.9 mile 10k with ocean view switchbacks and a steep Fireline climb. The event includes a finisher medal, free course photos and post race food and a beer garden.

A looped trail event at Lake Perris offering 10k, 50k and 100k with significant elevation gain, aid stations, group camping, and double-challenge buckles.

Trail races at Victory Trailhead offer distances from 6K to a new 100K on rugged trails with full aid, a cupless policy, course markings, drop bag service for longer races, and post race food and medals.

Tackle the Shadow Strike Unsanctioned Run in Chino Hills, a 4+ mile all terrain challenge across trails, gravel and open streets. No clocks, just navigation to checkpoints and cash prizes for top finishers and random participants.

A 13.5-mile trail race on fire roads and single track in Limestone Canyon with 2,719 feet of elevation gain, two aid stations, cupless policy, and limited packet pickup options.

A multi-distance running event at California State University Channel Islands with in-person and virtual options. Proceeds support Autism Society Ventura County and programs for individuals and families on the autism spectrum.

A multi distance trail running event May 1 to 3, 2026 in Los Padres National Forest near Ojai, CA. Races range from 10K to 100 miles with large elevation gain, limited to 150 entries and subject to strict qualifying and refund rules.

A trail event in Santa Clarita on May 2, 2026, offering distances from 5K to 120K plus 6 hour, 12 hour, and 24 hour timed categories and team relay options.

An annual 10K trail event in Glendale with a climb to 2,536 feet and panoramic views of the L.A. Basin and San Gabriel Mountains. Produced by the City of Glendale and benefiting the Glendale Parks and Open Space Foundation.

A trail run at Crystal Cove State Park on May 9, 2026 offering 50K, 25K and 5K distances with ocean views, aid for finishers, podium awards, and proceeds benefiting the John Wayne Cancer Foundation.

A multi-distance trail event on May 16, 2026 in O'Neill Regional Park, Trabuco Canyon, running through oak and sycamore woodlands and native coastal scrub. Parking is $5; no refunds are offered but rollovers are allowed for weather or fire..

Run into the 1980s with The Cobra 5Kai, 10Kai & Half Miyagithon along the LA River Path in Canoga Park. Costume friendly, with throwback tunes, a finisher’s medal and plenty of crowd energy; crane kicks encouraged.

A high-altitude 10K at Big Bear Mountain Resort featuring rocky singletrack, technical climbs and wide views of the Southern Sierra, held as part of a Spartan obstacle race festival weekend.

A multi-distance ultrarunning event on a flat one mile loop at a private ranch in Riverside, CA. Options range from 3 hour races to a 100 mile solo and a 24 hour relay, with camping and on site support.

The Mount Wilson Trail Race returns May 23, 2026 with an 8.6 mile out and back from Kersting Court to Orchard Camp, plus a children's Fun Run; the event supports volunteer trail repair through the Fletcher Trail Maintenance Fund.

Return to Hahamongna Watershed Park on May 24, 2026 for a day of team relays and solo challenges. Choose a 50 km relay with teams of up to five, a solo 50 km ultra, or a 10 km fun run amid scenic Pasadena trails.

Forever Brave at West Creek Park in Valencia CA on May 24, 2026 invites runners from 5k to half marathon on scenic looped trails with aid stations each lap. Finishers get custom medals, free photos, snacks, and fast posted results.

A 5k trail run at Black Star Canyon in Silverado, California, with mixed fire road and single track, 390 ft elevation gain, one aid station, a cupless policy, and pre-run access restricted to authorized days.