Trail Running calendar near San Luis Obispo 2025-2026

Back On The Ranch Trail Run takes place in Los Olivos, California, on October 3–4, 2025. This trail-running event offers a range of endurance formats: 3-hour, 6-hour, 12-hour, 24-hour, and 48-hour options, allowing participants to choose their challenge level over the weekend. Details and registrati..

Located at Montana de Oro State Park’s Spooner’s Cove in Los Osos, Spooner’s Cove Trail Run offered five distances: 8K, 13K, 25K, 37K, and 50K. The mostly coastal-mountain course features bluffside running with climbs to Valencia Peak and Hazard Peak, and two-loop 50K options. Elevation gains range..

The Rancho Ramble Trail Run takes place at Santa Margarita Ranch in Central California, offering runners a scenic experience across rolling grassy hills, oak-lined arroyos, and wide-open cow pastures. The course features deceptively steep and long hills with varied terrain that challenges footing an..

Last One Standing at Bradley, California, is a unique endurance running event held at Smith Ranch featuring a 4.18-mile loop on dirt trails and ranch roads with 464 feet of elevation gain. Participants run the loop every hour and must finish within the hour to continue; those who fail are eliminated..

Tierra Redonda Mountain Trail Run takes place at Smith Ranch in Bradley, California, on November 14–16, 2025. The event offers 48-hour, 24-hour, and 20K, 10K, and 5K races on a 100% dirt, single-track loop course across 5km and 10km routes, with the longer formats using repeated 10km loops. Expect v..

The Island View Endurance Run, held in Goleta, California near Lompoc, is a challenging trail running event featuring distances of 25km, 50km, 100km, and 100 miles. The course is primarily on trails and fire roads, offering stunning views of the Central Coast and the Channel Islands. Runners face si..

La Cuesta Ranch Trail Run takes place at La Cuesta Ranch, near San Luis Obispo, California, with the start and finish at the ranch barn. The event offers three dirt-trail formats: 10 km (one loop), 20 km (two loops), and 30 km (three loops). Runners enjoy 100% dirt trails with sweeping views of West..

Elevate's 12 Hour Race takes place at the First Baptist / VCA campus in Santa Maria, California. The format centers on a closed-loop course with each 12-hour lap measuring 1 mile, while the 5k is three loops of about 1.036 miles each. The event creates a campus-friendly, community atmosphere, with o..

The Born to Run Ultra Marathon Extravaganza is a premier trail running event held in Los Olivos, California. Scheduled for May 16, 2026, it offers a variety of race distances including 10, 20, 30, and 100 miles, as well as multi-day options spanning 3 and 4 days. The event is part of a series of tra..