Trail Running calendar near Anaheim 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.

An ultramarathon at Point Mugu State Park in Malibu on December 5, 2026, offering 50 mile, 50K and 30K distances. The race is organized by Keira Henninger Events with a registration window, a waitlist, and multiple entry fee options.

Nighttime trail race in Tarzana on Dec 5, 2026 offering 5K and 10K courses with elevation gain, required headlamp, cupless aid stations, and post-race awards.

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 December 11, 2026 where runners repeat hourly 4.167 mile loops until one person remains. The overnight event uses foothill trails, headlamps, a basecamp with firelight, and limited camping.

A trail running event at Crystal Cove State Park in Newport Beach on December 12, 2026 offering 15K, 6K and a Kids 1K. The 15K includes a $2,000 prize purse and multiple aid stations on marked singletrack.

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.

A holiday-themed Reindeer Run at Griffith Park on December 19, 2026, with 5k, 10k, 15k and half marathon options on a marked dirt trail and an aid station.

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 ridge-line trail race across the Backbone Trail in the Santa Monica Mountains with about 13,600 feet of climbing. Solo runners need prior 50 mile trail experience; relay teams of 2, 3, or 4 are permitted.

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 offering 50K, half, 10K, 5K and a combined Hercules DemiGod Challenge with varied elevation and mapped courses.

A 24 hour individual and team trail race at Lake Perris featuring repeated laps of the Molcajete 1.0 loop of about four miles with significant climbing. Teams of four run in a fixed rotation and awards go to top individuals and teams.

A multi distance trail race in Calabasas, CA on January 30, 2027. The event includes a 100K that is a 2026 WS100 qualifier and entry fees range from 152.60 to 323.00 USD.

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.

A multi-distance event in Griffith Park with a flat, shaded 5K, a half marathon across major park trails including a final peak reward, an on-site expo and food trucks, and varied registration fees by race.