Trail Running calendar near Fallbrook 2026-2027

Trail runs and gravel rides at Diamond Valley Lake Marina in Hemet CA on April 11–12, 2026, with multiple distances for adults and kids, a stroller-only 5k, cupless aid stations, and finisher shirts and medals for marked run events.

Oriflamme is a 50K out and back trail race in the Julian and Anza Borrego Desert that combines sweeping desert vistas with steep canyon climbs and sandy single track. Limited to 150 runners, finishers earn a medal and technical shirt.

Badwater Salton Sea is an epic 81 mile team ultra from the Salton Sea to Palomar Mountain, gaining over 9,000 feet across desert roads and single track. Teams of two or three run together through extreme heat and wildly variable conditions.

Run a scenic 5K on trails and roads through Ramona Wine Country with mud, hills and a choice of one or two loops, then stick around for a fun Beer Mile and wine tasting. Live music, pizza and proceeds supporting veterans add to the festival..

Take on rugged single track and sandy climbs at the Annual NATRO@NOLI Indian School Trail Races in San Jacinto, CA. Marathon, Half, 5k and Kids 3k distances, limited spots, with proceeds supporting Noli Indian School.

Machete Trail Madness at Lake Perris on April 25, 2026 offers 10K, 50K and 100K trail options over rugged lakeside loops. Camp with the group, use staffed aid and grab free pro photos of your effort.

Tackle the Shadow Strike Unsanctioned Run in Chino Hills, a 4+ mile all terrain challenge across trails, gravel and open streets. No clocks, just navigation to checkpoints and cash prizes for top finishers and random participants.

Take on the San Diego 100, a scenic 100 mile loop around Lake Cuyamaca near Julian, CA, on May 1 and 2, 2026, an official Western States qualifier for solo or crewed runners. Expect rugged single track, big climbs, a 32 hour cutoff and unfo..

Honor Dingneng Wang at this self supported marathon around Canyonside Park Driveway in San Diego. Free registration, no official aid or timing so bring your own crew or pacer and plan for a 7 hour cutoff.

A trail run through Orfila Vineyards in Escondido with 3, 6, and 9 mile options, three wine tastings for participants over 21, a kids dash, and a post-race private tasting and food truck on site.

A trail run at Crystal Cove State Park on May 9, 2026 offering 50K, 25K and 5K distances with ocean views, aid for finishers, podium awards, and proceeds benefiting the John Wayne Cancer Foundation.

Trail races through O'Neill Regional Park in Trabuco Canyon with distances from 10k to 50k. Parking requires a $5 pass and registration is scheduled from October 1, 2025 through May 1, 2026.

Trails around Corral Canyon Campground in Campo, California, offer 5, 9, 14 mile and 50K options on rocky, sandy and dirt routes with marked trails, on-course aid stations, and a first come, first served dry campground at the start.

Gorgonio View Trail Run at Big Bear Mountain Resort on May 17, 2026 features a Trail 10K on singletrack through pine forest with technical climbs, wide mountain views, and team entry options.

Join the 17th Nanny Goat May 23 to 24 in Riverside for looped one mile laps on a flat ranch course with camping, swimming and family friendly amenities. Options span 3 hour to 100 mile plus a 24 hour relay with on site support.

The Mount Wilson Trail Race returns May 23, 2026 with an 8.6 mile out and back from Kersting Court to Orchard Camp, plus a children's Fun Run; the event supports volunteer trail repair through the Fletcher Trail Maintenance Fund.

Return to Hahamongna Watershed Park on May 24, 2026 for a day of team relays and solo challenges. Choose a 50 km relay with teams of up to five, a solo 50 km ultra, or a 10 km fun run amid scenic Pasadena trails.

Tackle the PCT 50, a 50 mile trail run on June 6 in Cleveland National Forest with about 7,500 feet of gain on rugged single track. Expect rocky climbs and well stocked aid stations to keep you moving.

Run Fullerton's inaugural 5K on dirt trails through Brea Dam and along the tennis center and golf course. Afterward enjoy a Health and Wellness Fair with local vendors, fitness demos and food trucks.

A trail relay and 8K at Griffith Park on June 7, 2026 featuring a true loop course, chip timing, aid stations, shirts, medals, DJs and food trucks.