Trail Running calendar near Orange 2026-2027

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.

Trail 5K and 10K at Elfin Forest Recreational Reserve with chip timing, a 1K kids run, a 10K team competition, and proceeds shared with local conservancy.

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.

Trail races at Daley Ranch near Escondido with 10 Mile, 10K and 5K courses on single track and dirt roads; the 10 Mile reaches Stanley Peak for a 360 degree view and the event limits entries to 300 runners.

Timed 6 and 12 hour loop trail races on a ~1.5 mile singletrack near Ramona with a single aid station and limited entries for SURF members.

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.

Experience a diverse trail running event in Escondido featuring everything from a 50 mile ultra to a stroller friendly 5k. Explore the valley floor or climb to the summit of Raptor Ridge in this cupless race series.

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.

Trail run and hike events in Griffith Park on January 24 2027, featuring 8M, 8K, 5K and a 2.2K kids run with marked courses, aid stations, participant shirts and finisher medals.

Trail events in Griffith Park on January 24, 2027, including an 8 mile out and back to the Hollywood Sign viewpoint, an 8K, a 5K, and a 2.2K kids loop with aid stations, timing, shirts, and finisher medals.

Trail races at Lake Hodges in Escondido offering 50K, half marathon, 10K and 5K plus a challenge to complete half, 10K and 5K within five hours for a Demigod medal.

A 24 hour loop ultrarun at Lake Perris on Jan 29, 2027 offering individual and four person team competition over a 4 mile plus loop.

Trail races in Calabasas on January 30, 2027 offering 100K, 50 mile, 50K, marathon and 30K distances with varied entry fees.

A trail event in Big Dalton Canyon offering a **50K solo**, a 4-person 50K relay, and a **10K loop**, with over 9,000 feet of elevation and proceeds to the Wildland Firefighter Foundation.