Trail Running calendar near San Diego 2025-2026

Double Peak Challenge in San Marcos, California is an outdoor 10K, 5K, and Kids Trail Trot that pulls local runners to ascend to the summit for panoramic North County views. The course starts at San Elijo Recreation Center Lower Field and gains about 1,176 feet to reach the Double Peak summit at 1,5..

The event takes place in Silverado, CA, at 13333 Black Star Canyon Rd. It offers the following distances: 50 Mile 50K 30K Registration closes on Mon, Sep 15 at 11:59 PM PT. Race entries are non-refundable and non-transferable. Volunteer positions are available and include race credits and race sw..

The Cuyamaca 100K is an ultramarathon held in Cuyamaca Rancho State Park near Julian, California, about an hour east of San Diego. The race features a challenging 100-kilometer course composed of three distinct loops starting and ending at Camp Cuyamaca. The first loop covers 31.5 miles on the park'..

Set in Gonzales Canyon Open Space in Carmel Valley, San Diego, the Carmel Valley Trail Race offers trails through scenic open space with rugged climbs. The 12th annual event starts and finishes at Solana Ranch Park in Gonzales Canyon, featuring three distances: 15K, 10K, and 5K. The 15K and 10K rout..

Live Oak Odyssey is a fixed-time trail run held at O’Neill Regional Park in Trabuco Canyon, California. It offers 3- and 6-hour options on a 2.75-mile loop with about 500 feet of vertical gain per lap, challenging runners with a mix of ups and downs, single-track, and double-track sections. The wood..

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, 10K, 5K, a stroller-friendly Stroller Trail 5K, and a Kids 1..

Set on the Cahuilla Indian Reservation in Anza, California, Cahuilla Rez Ultra is a Native‑organized fundraiser for the tribe’s Youth and Family Programming. Runners can choose from a 100‑mile option, 24, 12, and 6‑hour races, a half marathon, and a Tribal Member 5k. The course is a scenic 2‑mile lo..

2025 Encinitas Beach Run, presented by Excelerace, is a one-of-a-kind sand run at Moonlight Beach in Encinitas, California. The event takes place on the beach between Moonlight Beach and Grandview at low tide, starting west of the palm tree in front of Moonlight Beach and heading north along a sceni..

Casper's Trail Races on Oct 25, 2025, take place in San Juan Capistrano, California, offering trail distances: 10K, 13.2 miles, 30K, marathon, and 50K. The event, hosted by KHraces, aims for a well-supported, well-marked experience with swag, highlighting Orange County’s fall trail atmosphere. While..

The Machete Muertos 200 is an ultramarathon event held at Lake Perris, California, featuring multiple race distances including 10, 20, 50, 100, and 200 miles, plus a 20-mile ruck division. The course consists of challenging loops with significant elevation gains—2,300 feet per lap for shorter distan..

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

The Mount Laguna Trail Marathon, held in Mount Laguna, California, is a well-organized Southern California trail race featuring a challenging single-loop course of technical single-track trails. The marathon covers rolling terrain with a total elevation gain of 3,358 feet. The first half of the cour..

Situated at Miramar Reservoir in San Diego, the Sri Chinmoy 6-Hour Race challenges runners to a 5-mile loop around the lake. The mostly flat, clockwise course has four aid stations for fuel and encouragement. Gear storage is available near the main staging area at the dam on the lake’s west end; lap..

The RD Trail Half Marathon will take place in Tijuana on Sunday 16 November 2025. You can run between 10 and 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 riders should come prepared with warm layers, appropriate footwea..

Boundiful Endurance Runs take place at Washburn Ranch in Hemet, California, featuring a one-mile loop on a 100% hardpacked dirt surface through a Southern California fruit and nut farm. The event offers multiple race options including 3, 6, 12, and 24-hour runs, a 100-mile solo challenge, and relay..

Black Mountain Turkey Burner, part of the Endurance Race Series’ Sunshine Schedule, is a trail race held at Black Mountain Ranch Park at 14700 Carmel Valley Rd, San Diego, California. The event offers four distances: Half Marathon (13.1 miles), 10K (6.4 miles), 5K (3.7 miles), and a Kids Dash. All r..

Anza Borrego Cuyamaca 50 Mile Run is a point-to-point ultramarathon covering 50 miles from the Sunrise Trailhead near Julian, California, to Stagecoach Trails RV Resort & Campground. The course climbs to Stonewall Peak, winds through wooded trails near a lake, then descends into Oriflamme Canyon and..

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 for hikers. The race begins and ends at the Olivenhain Dam,..

Crystal Cove Trail Run is a SoCalTrail event held at Crystal Cove State Park, El Moro in Laguna Beach, California. The race offers three distances: 15K, 6K, and a Kids 1K, all designed to showcase Orange County’s immaculate trails. The course combines fire-road climbs, ridgeline descents and action-..