Trail Running calendar near San Diego 2025-2026

The Roosters Backyard Ultra will take place in San Diego on Saturday 1 November 2025.

Run through scenic Pine Creek Wilderness on a wide dirt fire road, climbing to a rewarding turnaround and returning with a fast descent. Choose the half marathon or 10K for a peaceful, well marked trail experience near Alpine, California.

Mount Laguna Trail Marathon is a challenging single loop on technical single track with Pacific Crest Trail views and climbs around Big Laguna Lake. Volunteer run nonprofit with an inclusive, environmentally focused community.

Push your limits at the Sri Chinmoy 6 hour race around Miramar Reservoir, a scenic 5 mile loop with chip timing and a 70 runner field. Walkers welcome and all finishers receive a shirt, medal and certificate.

The RD Trail Half Marathon will take place in Tijuana on Sunday 23 November 2025. You can run 21 kilometers.

Trip to: The Red Tail Roost Agua Dulce loop Trail is a 5-mile moderate trail run in the Cleveland National Forest near Mt. Laguna, California. The course winds through peaceful, wooded terrain that may be icy or snowy in late fall, so rider..

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.

Run scenic single track at Black Mountain Ranch Park in the Turkey Burner, offering a half marathon, 10K, 5K and kids dash. Expect steep climbs on the technical half and a capped field for a friendly trail vibe.

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..

The Tenth Annual Keepin' It Rural 5K/10K Trail Race and Festival takes place at the scenic Elfin Forest Recreational Reserve in north San Diego. This unique event features chip-timed races for both 5K and 10K runners, with a special course..

Lunatic Loop is a timed trail challenge at Salida de la Luna near Ramona with 6 hour and 12 hour options on a rugged 1.5 mile singletrack loop featuring rocky climbs and repeated laps. Enjoy a friendly aid station and a post race picnic wit..

Celebrate the SoCalTrail season finale at Crystal Cove State Park in Laguna Beach with scenic coastal trails and challenging climbs on 15k and 6k courses. Family friendly 1k for kids, cash prizes for 15k podiums, finisher medal, breakfast a..

Tackle scenic trails at Dixon Lake on December 13, 2025 with 10 mile, 10K or 5K options. The challenging courses climb to Standley Peak for sweeping summit views and a limited field keeps the experience intimate.

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.

Challenge yourself on scenic single track and dirt roads around Lake Hodges at the Race of the Gods, a January trail classic near Escondido. Options from short fun runs to epic ultramarathons make this a must for trail lovers.

Experience scenic San Pasqual Valley trails at the San Diego 50 & Trail Runs, with distances from a 50 mile challenge to family friendly youth miles. Finishers earn a handcrafted wooden medal and tri blend shirt while enjoying aid stations..

Event overview The Ranch 50K and Half Marathon takes place February 14, 2026, at Daley Ranch in Escondido, CA, with the Start/Finish at Dixon Lake Picnic Area. Registration opens September 1, 2025; registration closes February 12, 2026 at 1..

Run scenic vineyard and orange grove trails in San Pasqual Valley with three distance options from 10K to 20 mile. Limited to 450 runners, the half marathon is the final championship qualifier and finishers enjoy free wine tasting.

Experience scenic looped trails at Goodman Ranch Sycamore Canyon Preserve near San Diego on Feb 28, 2026. Choose from a half marathon up to a 100K solo or 4 person relay for a rewarding day of trail running and camaraderie.