Trail Running calendar near Alpine 2025-2026

The Machete Trail Madness 100 Miler is a challenging ultramarathon event held in Lake Perris, California, featuring a 100-mile, 50-mile, and 10-mile race. Scheduled for October 31, 2025, this event is known for its tough course, with a 10-mile loop that includes 2,300 feet of elevation gain per lap...

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

The Sri Chinmoy 6-Hour Race in San Diego offers participants a scenic 5-mile loop course around a tranquil urban lake, perfect for runners and walkers of all paces. This event is ideal for those training for marathons or looking to push their endurance beyond traditional distances. Athletes will ben..

Caspers Trail Races, held in San Juan Capistrano, California, offers a variety of trail running events including a 10K, half marathon, 30K, marathon, and 50K. The races are known for being well-supported, clearly marked, and providing participants with quality swag. Organized by KH Races, the event..

The RD Trail Half Marathon will take place in Tijuana on Sunday 16 November 2025. You can run between 10 and 21 kilometers.

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 100 miles, relay, and timed runs of 24, 12, 6, and 3 hours. Runne..

The Black Mountain Turkey Burner is a challenging trail race held annually at Black Mountain Community Park in San Diego, California. Part of the Endurance Race Series' Sunshine Series, this event features a half marathon, 10K, and 5K distances. The half marathon is known for its technical trails an..

The Anza Borrego Cuyamaca 50 Mile Run is a scenic ultramarathon held in San Diego County, California. The race covers 50 miles along diverse trails, starting at Sunrise Trailhead and descending into Cuyamaca Rancho State Park. Runners ascend Stonewall Peak, traverse wooded trails near a lake, and fi..

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,..

The Crystal Cove Trail Run, held at Crystal Cove State Park in Laguna Beach, California, offers a scenic and challenging trail running experience just minutes from the beach. The event features three distances: a 15k, a 6k, and a Kids 1k race. Both the 15k and 6k courses include fire road climbs, ri..

The Dixon Lake Trail Race, held annually at Daley Ranch in Escondido, California, offers runners scenic trail runs with distances of 10 miles, 10K, and 5K. Starting at El Caballo Park, the 10-mile course ascends to Stanley Peak, providing a stunning 360-degree panoramic view. Elevation gains range f..

The Del Dios Trail Race, known as the "Race of the Gods," is an annual trail running event held at scenic Lake Hodges in Escondido, California. The 11th edition features multiple race distances including a 50K, half marathon, 10K, and 5K, all set on dirt service roads and single-track trails. Elevat..

The San Diego 50 Mile & Trail Marathons is a diverse running event taking place in Escondido, California, featuring multiple race options including a 50-mile ultra marathon, trail marathon, marathon relay, heavy half marathon, and various shorter distances for all ages. The event emphasizes inclusiv..

The Ranch 50K is a trail running event held at Daley Ranch in Escondido, California, featuring a challenging course with significant elevation gain. The race includes a 50K distance, consisting of two loops of 25K each, and a half marathon option, both starting and finishing at Dixon Lake Picnic Are..

The San Pasqual Valley Trail Race, held in Escondido, California, offers a scenic running experience through San Diego's wine country. Participants can choose from three distances: a relatively flat 10K, a challenging half marathon, and a demanding 20-mile course. The longer distances feature an out..

The Old West Trail Runs, held at Anza Borrego Desert's Stagecoach Trails RV Resort, offer 50K, marathon, and half marathon distances through scenic desert terrain. The courses feature minimal elevation gain, with the 50K and marathon having about 2,500 feet and the half marathon around 670 feet. Par..

The Nine Trails 35 Mile Endurance Run is a trail running event held in Santa Barbara, California. It offers two distance options: a challenging 35-mile course and a shorter 17-mile route. The race takes place on scenic trails that showcase the natural beauty of the Santa Barbara area, providing runn..

The Pirate's Cove 6/12/24 Hour Run/Hike is an endurance event held at Lake Cuyamaca, California, offering participants the choice of 6, 12, or 24-hour distances. The race takes place on March 20, 2026, starting at 8 a.m., and features a scenic course suitable for runners and hikers alike. Participan..

The Coast to Crest 10K and 5K is an annual trail running event held in Del Mar, California, featuring flat and fast courses ideal for runners aiming for personal records. Both distances offer out-and-back routes on well-groomed, 100% dirt trails with spectacular lagoon views and a downhill finish. T..

The Badwater Salton Sea is a challenging ultra running event held in Southern California's deserts and mountains. Taking place over two days, teams of two or three runners traverse 81 miles from Salton City to Palomar Mountain, with a total elevation gain of over 9,000 feet. The race features extrem..