Trail Running calendar near Rancho Santa Margarita 2025-2026

Celebrate Thanksgiving with the first annual Spring Valley 5K on scenic Quarry Road, offering a trail run or walk plus a relaxed 1.5 mile Community Stroll and a lively half mile Kids Sprint. Family friendly and welcoming to all ages.

Join the College of the Canyons Turkey Trot in Santa Clarita for a scenic three mile run through campus and valley trails, ending with a fast finish on the Cougar Stadium track. Expect live results, a commemorative shirt, and race day fun.

Join the 13th Annual Huntington Beach Turkey Wobble on November 27 for a scenic 1K, 5K or 10K on the sand supporting clean water relief for communities impacted by Hurricane Helene. Family friendly and fun for all ages.

Run a scenic one mile loop at Washburn Ranch in Hemet with 100 mile, 24 hour and relay formats, live tracking, on site camping and close aid. Buckles await solo runners who complete 100 miles within the 31 hour window.

Rugged single track and dirt trails with big climbs await at the ninth annual Black Mountain Turkey Burner in San Diego. Limited to 300 runners, the trail festival offers a half marathon, 10K, 5K and kids dash and is an ERS qualifier.

The Fremont Canyon 28k Trail Run is an exciting running event taking place in Irvine Regional Park, Orange, California. Scheduled for December 6, 2025, this challenging 28k (17.5 miles) course features fire roads with an elevation gain and..

Tackle a scenic 50 mile point to point ultramarathon through Cuyamaca Rancho State Park, climbing Stonewall Peak and dropping to the desert finish near Julian. Family and crew friendly with camping, showers and a post race meal to celebrate..

Challenge yourself on rugged coastal trails at the Ray Miller 50/50 at Point Mugu State Park in Malibu on December 6, 2025. With 50 mile, 50K and 30K options, the 2025 race is sold out and the waitlist is closed.

Join the San Clemente Santa Run on December 6, 2025 for a festive 5K or fun run along the beach, starting at the Pier Bowl. Celebrate with music, an auction and dinner while supporting Lily's Lighthouse and epilepsy research.

Tackle scenic single track trails at Elfin Forest in the Keepin' It Rural 5K and 10K, where runners get chip timing and a festive post race party. Enjoy a tech shirt, finisher medallion and a beer while supporting Escondido Creek Conservanc..

Join the Crystal Cove Trail Run on Saturday, December 13, 2025 in Laguna Beach with 15K, 6K and Kids 1K courses over coastal ridges and single track to a beach finish. All finishers get a medal and shirt and the 15K awards a $2,000 prize pu..

Experience the Dixon Lake 10/10 Trail Race at Daley Ranch in Escondido on December 13, 2025 with 10 mile, 10K and 5K courses on scenic single track and dirt roads. Limited to 300 runners, the 10 mile reaches Standley Peak for panoramic view..

Run under the stars on fully marked fire road courses at Mulholland Gateway Park in Tarzana, with 5K and 10K night options. Bring a working headlamp, enjoy aid stations, and collect a finisher medal and shirt.

Celebrate the season with the Holiday Fun Run at Griffith Park, offering 5k, 10k, 15k and half marathon routes on scenic dirt horse trails and grassy starts. Enjoy on course aid, a finisher medal, free photos and post race snacks.

Join Paramount Ranch Trail Runs on December 20, 2025 for scenic trail races through the historic Paramount Ranch in Agoura Hills. Choose from 10K up to 50K and enjoy varied terrain, stunning views and a community race day organized by KHrac..

Get into the holiday spirit at Run for a Claus in Irvine on Dec 20, 2025, with 1 mile and 5K options plus virtual entries. Enjoy festive music, cookies, a Santa hat, finisher medal and support local charities and kids.

Tackle Sycamore Canyon's rugged singletrack at the Dirty December Trail Run on Dec 21, 2025, with marathon, half, 10K and a repeating hill climb loop. Expect big climbs, festive costumes, a tech shirt and finisher awards.

Ring in 2026 with the Happy New Year Run at West Creek Park in Valencia, CA. Choose from 5k, 10k, 15k or half marathon on scenic looped trails, enjoy finisher medals, free photos and a festive start to your year.

Tackle the Del Dios Trail Race "The Race of the Gods" at Lake Hodges in Escondido on Jan 4, 2026. Choose from 5K to 50K on scenic dirt roads and single track with up to 1000 feet of climbing in this championship qualifier.

Ring in the New Year with a scenic trail run at Whittier Narrows Recreation Area on January 4, 2026. Choose 5k, 10k, 15k or a half marathon and enjoy finisher medals, free photos, aid stations and a festive post race vibe.