Trail Running calendar near San Diego 2025-2026

Live Oak Odyssey at O'Neill Regional Park is a fixed time trail run with 3 Hour and 6 Hour loop options on oak studded single track. Expect challenging climbs, stocked aid station, chip timing and finisher awards for a fun day on the trails..

Event overview The Carmel Valley Trail Race takes place on October 11, 2025, at Gonzales Canyon Open Space in Carmel Valley, San Diego. The 12th annual event starts and finishes at Solana Ranch Park on the east end of Gonzales Canyon, with..

Run under star filled skies on the Cahuilla Reservation in Anza, CA, with distances from 6 hours to 100 miles and a half marathon. This Native organized fundraiser for tribal youth features a scenic 2 mile loop, camping and a peaceful mount..

Lake Hodges Trail Festival is an annual trail-running weekend at the Piedras Pintadas Trailhead near Lake Hodges in San Diego County, and is part of the Elevation Culture Race Series. The festival offers multiple distances: 50K, 25K, 15K, 1..

Event overview The 2025 Encinitas Beach Run is presented by Excelerace and takes place on Sunday, October 19, 2025, at Moonlight Beach in Encinitas, California. The course runs on sand at low tide between Moonlight Beach and Grandview. The..

Caspers Trail Races in San Juan Capistrano on Oct 25, 2025 offers scenic trail courses with options for every level. The race is sold out but a waitlist is open; expect marked routes, course support and event swag for finishers.

Event overview OC Trail Runners Group Run takes place on Saturday, October 25, 2025 in Newport Coast, California. The run is free, social and non-competitive, described as slower-paced and take-it-easy. The stated goal is to spend time outd..

Monster Dash : Irvine, October 26, 2025 The event takes place at Bill Barber Memorial Park in Irvine on Sunday, October 26, 2025. Distances offered: 5k 10k 15k Half marathon Course, rules and logistics The course is an open route on a sha..

Machete Muertos 200 Dia De Los Muertos Ultra hits Lake Perris Oct 29 to Nov 2 2025 with distances from 10 miles to 200 miles. Expect rugged scenic loops, a festive Day of the Dead vibe, camping and on course aid.

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

Event details The Horsethief Canyon Trail Half Marathon is scheduled for 2025-11-01 in Alpine, California. The listed location is Forest Rte 16S04, Horsethief Canyon Trailhead, within the Pine Creek Wilderness. Permission for the course is..

Experience a scenic but challenging single loop in Mount Laguna with Pacific Crest Trail views and climbs around Big Laguna Lake. This volunteer supported trail marathon celebrates community and environmental stewardship.

Event overview The Sri Chinmoy 6-Hour Race in San Diego is a timed endurance event held at Miramar Reservoir. The race format is a 6-hour time limit during which athletes complete repeated laps of a 5-mile loop. Entry is limited to 70 parti..

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..

Event The Boundiful Endurance Runs is scheduled for November 29, 2025, at Washburn Ranch in Hemet, CA. The event offers multiple race formats and timed-duration events. 100m Relay Event 24hrs 12hrs 6hrs 3hrs Course and support The course..

Tackle rugged singletrack and scenic trails at the 9th annual Black Mountain Turkey Burner Trail Race, an ERS Championship qualifier with a limited 300 runner field. Pick a half marathon, 10K, 5K or kids dash around the community park.

Event overview The Anza Borrego Cuyamaca 50 Mile Run is a point-to-point trail race in Julian, CA on December 6, 2025. The course covers 50 miles and has a 14.5-hour finish cutoff. The route starts at the Sunrise Trailhead and descends into..

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..

Event details The Dixon Lake 10/10 Trail Race is scheduled for December 13, 2025, at El Caballo Park, 3450 E. Valley Parkway, Escondido, CA. It is the 5th annual running of this event and is an ERS Championship qualifier for all distances...