Trail Running calendar near Green Valley Lake 2025-2026

The 4 Mile Hill Challenge is an exciting running event scheduled for November 15, 2025, at the Audubon Center at Debs Park in Los Angeles, CA. This event features a scenic 4-mile course that includes rolling hills and all-trail paths, making it suitable for participants of all skill levels, from beg..

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 Boundiful Endurance Runs is an exciting running event held at Washburn Ranch in Hemet, California, featuring a unique 100% hardpacked dirt surface course. Participants can choose to run solo or as part of a relay team, with options for 100m, 24-hour, 12-hour, 6-hour, and 3-hour races. The event..

The Fremont Canyon 28k Trail Run is an exciting running event taking place in Irvine Regional Park, Orange, California. Scheduled for December 6, 2025, this challenging 28k (17.5 miles) course features fire roads with an elevation gain and loss of 2860 feet, making it suitable for experienced runner..

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 is a scenic trail race held at Crystal Cove State Park in Laguna Beach, California. It features two main distances: a 15k challenging course with fire road climbs, ridgeline descents, and technical single tracks, and a shorter 6k route. The event also includes a Kids 1k ra..

The Dixon Lake Trail Race, held annually in beautiful Daley Ranch, Escondido, features a 10-mile and 10K race that begins at El Caballo Park. Runners will ascend to the top of Stanley Peak, enjoying stunning 360-degree views along the way. The race includes elevation gains ranging from 900 to 1300 f..

The Del Dios Trail Race, also known as the "Race of the Gods," is an annual running event held at Lake Hodges in Escondido, California. Scheduled for January 4, 2026, this 11th edition features various race distances, including a 50K, half marathon, 10K, and 5K, all set against the stunning backdrop..

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, set in the picturesque San Diego Wine Country, offers a scenic running experience with three distance options: a 10K, Half Marathon, and 20 Mile race. Participants will enjoy breathtaking views as they navigate through vineyards and orange groves, with the more cha..

The Santa Barbara Nine Trails 35 Mile Endurance Run is a challenging trail running event held in California. Participants can test their endurance across a scenic course that showcases the region's natural beauty. The race is part of a series of trail running events organized by AllWeDoIsRun, which..

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..

The Nanny Goat event, now postponed to May 23-24, 2026, is a unique running experience held at a private horse ranch in Riverside, CA. Participants can choose from various race formats, including 6-hour, 12-hour, 24-hour, and a 100-mile challenge, with the goal of completing as many laps as possible..