Trail Running calendar near Rancho Santa Margarita 2026-2027

Rooster's Backyard Ultra returns to Rohr Park for its third edition, using a repeated-lap backyard ultra format on a smooth hard-packed trail with a single gentle hill; dogs and car camping are allowed.

A long distance trail event in Malibu covering about 70 miles with roughly 13,000 feet of elevation gain and a 36 hour time window, with a required dry pack weight of 25 pounds and both paid and volunteer ticket options.

A mud and obstacle focused 5K at Oak Canyon Park in Irvine on November 21, 2026, featuring mud pits, walls, ropes, monkey bars and a festival area with vendors and food.

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.

Trail races in the Santa Monica Mountains on Thanksgiving offering a half marathon, 10k and 5k on fire roads and singletrack, with finisher medals, free photography, breakfast and a 21 plus beer garden.

Celebrate Thanksgiving morning with a scenic 5K or 10K run along Huntington Beach to fund clean water projects for communities in need around the world.

Trail races of Half Marathon, 10K and 5K take place at Black Mountain in San Diego on November 28, 2026. Courses run on dirt with hill climbs and technical sections and the field is limited to 300 runners.

Endurance event at Washburn Ranch, Hemet CA, on a one mile hardpacked dirt loop offering 100 miles, relay teams, and 24 hour, 12 hour, 6 hour and 3 hour formats with chip timing, live tracking, camping and onsite food.

A point-to-point 50-mile trail race from Sunrise Trailhead to Stagecoach Trails RV Resort, crossing Cuyamaca Rancho State Park and Stonewall Peak before descending Oriflamme Canyon. A 14.5 hour cutoff and an optional $15 pre-race shuttle ar..

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.

Ray Miller 50/50 in Point Mugu State Park, Malibu, California on December 5, 2026 features 50 mile, 50K and 30K distances. Registration opens April 1 and closes June 1.

A Last Person Standing loop race at El Dorado Ranch in Yucaipa on Dec 11, 2026. Runners repeat a measured 4.16 mile loop at night until one person remains; permits are pending and registration closes Dec 8.

Crystal Cove Trail Run in Laguna Beach offers marked trail races of 15K, 6K and a Kids 1k with aid stations, course photography and on site amenities. The 15K includes a $2,000 prize purse and age group awards.

Trail races at Daley Ranch in Escondido offer 5K, 10K and a 10 mile course that climbs Standley Peak for a 360 degree view. The event limits fields to 300 runners and lists varied elevation gain by course.

A holiday themed running event at Griffith Park offering 5k, 10k, 15k and half marathon distances on a shared dirt horse trail. The event includes on-course aid, finisher medals, photos, parking near the Merry Go Round and posted results.

A holiday trail event in San Diego with marathon, half marathon, 10K and a new six hour Hill Climb on a 2.5 mile loop. The event includes solo and team costume awards and King and Queen of the hill honors.

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.

Lake Perris hosts a Spartan obstacle weekend Jan 23–24, 2027 with 5 km, 10 km, 21 km and kids races across a flat, fast course by the lake. Team entries, spectator access, volunteer options and service member discounts are available.

Event Overview This event takes place in Griffith Park, Los Angeles. It offers several trail run and hike distances. The start/finish location is on a fire road just north of the Old Zoo. Distances Participants can choose from the following..

Trail running and hiking events in Griffith Park on 01/24/2027 with 8 Mile, 8K, 5K and 2.2K courses; the 8 Mile is an out-and-back to a Hollywood Sign viewpoint. Marked courses have aid stations, chip timing, finisher medals and event shirt..