Trail Running calendar near Carlsbad 2025-2026

The SoCal Redwood Race will take place in Brea on Saturday 25 April 2026. You can run between 3 and 12 kilometers.

Take on a scenic 100 mile loop from Lake Cuyamaca near Julian, CA on mostly single track trails with about 15,400 feet of climb. With a 32 hour limit this challenging ultramarathon is a Western States qualifier.

Join a memorial trail marathon in San Diego on May 2, 2026, honoring Dingneng Wang at Los Peñasquitos Canyon Trail. This self supported course offers scenic canyon views; register free by April 30 for an official result.

Test your trail legs at the O'Neill Park Trail Races on May 16, 2026 in scenic O'Neill Regional Park. Choose from 50k to 10k distances and enjoy challenging singletrack, great views and a supportive event atmosphere.

Run the 10K Spartan Trail at Big Bear Lake on singletrack through high altitude pine forest with technical climbs, descents and sweeping Sierra views. A scenic, challenging mountain course that joins a Spartan Trail weekend of adventure.

Event overview Nanny Goat is an ultrarunning event held May 23-24, 2026 at a private horse ranch in Riverside, California. This is the 17th running of the event and it is scheduled over Memorial Day Weekend. Race formats offered include sol..

Tackle the PCT 50, a 50 mile out and back trail run in Cleveland National Forest on June 6. Expect rocky single track, steep climbs and about 7,500 feet of gain into the scenic Laguna Mountains.

The Black Mountain Trail Races will take place in San Diego on Saturday 20 June 2026. You can run between 21 and 50 kilometers.

Harding Hustle is a July trail race in Cleveland National Forest that climbs the jeep road to Santiago and Modjeska peaks, with 50K, 30K and 15K options. Expect big climbs, summer heat and shuttle only access.

Run under a full moon on scenic single track and dirt roads around Cahuilla Mountain, with 9 Miler, 13 Miler, 30 K or 50 K options. The looped course offers frequent aid and car access and entries are limited, so grab your spot.

Choose a 5K, 10K, or half marathon through scenic Green Valley Lake, featuring lakeside loops, dirt roads and a rewarding climb to a viewpoint. Chip timing, aid stations and post race awards benefit The Children’s Forest for a fun mountain..

Take on the Saddleback Marathon in Silverado, CA on November 7, 2026, with marathon, half marathon and 10K options. Challenging canyon climbs and scenic ridgeline descents make for a memorable fall race for trail and road lovers alike.