Trail Running calendar near Pasadena 2026-2027

Run through the historic streets of Avalon and the rugged interior trails of Catalina Island. Choose between a half marathon, 10K, or kids fun run featuring stunning Pacific Ocean views and island landmarks.

Fixed-time trail runs on an approximately 2.75 mile loop in O'Neill Regional Park with 3, 6 and 8 hour options through wooded canyons and varied terrain.

Trail event in Yucaipa with 21, 10, and 4 mile courses; 10% of registration fees support the Crafton Hills Open Space Conservancy.

Trailsgiving in Elysian Park offers 5k, 10k, 15k and a half marathon on marked out and back trail loops with on course aid and finisher medals.

The 30th annual Patagonia Salmon Run takes place in Ventura on November 15, 2026, as a 5K (listed at 3.14 miles). Online registration is required, the event aims for zero-waste, and a Patagonia store discount is available to bib holders.

Looped 5k, 10k, 15k and half marathon on the shared park trails of Whittier Narrows in South El Monte on November 15, 2026.

An obstacle and mud-focused 5K at Oak Canyon Park in Irvine on Nov 21, 2026, featuring mud pits, walls, ropes, a festival village, and packet pickup the day before.

Trail running event in Griffith Park, Los Angeles on Nov 21, 2026, offering multiple distances from 10K to 50K and organized by Keira Henninger Events.

A Thanksgiving Day community run in Santa Clarita offering a 5K cross country course through Central Park and a 1K for children. The event benefits the Santa Clarita Track Club and awards medals to the first 600 competitors.

Thanksgiving morning trail races in Los Angeles with a half marathon, 10k and 5k through the Santa Monica Mountains, finishers' medals, aid stations and a beer garden.

One mile loop ultra on hardpacked dirt with timed 3, 6, 12 and 24 hour options plus relay teams. Live chip timing, free on course camping, continuous food service, and a 31 hour buckle challenge to reach 100 miles.

A 28k trail run in Fremont Canyon at Irvine Regional Park featuring about 3800 feet of elevation change and four aid stations. The course runs on fire roads, is cupless, and participants are asked to carry personal hydration.

A multi-distance running event at Point Mugu State Park in Malibu on December 5, 2026, offering 50-mile, 50K, and 30K options with listed entry prices.

Holiday-themed Jingle Bell races in Valencia on December 6 offering 5k, 10k, 15k and a half marathon on marked looped trails with aid stations and finisher medals.

A Last Person Standing race in Yucaipa, CA on Dec 11, 2026 with hourly 4.167-mile loops on rugged foothill terrain; limited camping and a published entry fee.

Trail races at Crystal Cove State Park on December 12, 2026, featuring a prize-backed 15K, a 6K and a Kids 1K with shirts, medals, aid stations and post-race amenities.

Holiday themed races at Griffith Park on December 19 2026 offering 5K, 10K, 15K and half marathon distances on a shared dirt trail.

A trail running event centered in Avalon, Catalina Island offering a 50 Mile, a 50K and a TRIPLE CROWN Challenge across the length of the island with ocean views, aid stations and volunteer support.

A 68-mile trail ultra across the Backbone Trail in the Santa Monica Mountains on Jan 16, 2027, capped at 200 runners; solo entrants need a prior 50-mile finish and relay teams are allowed.

Two days of obstacle racing at Lake Perris with Sprint 5 km, Super 10 km, Beast 21 km and kids races on a flat, fast course with mountain views.