Trail Running calendar near Boulder Oaks 2025-2026

The Ramona Wine Country 5K is an exciting running event held at BackCountry Gardens in Ramona, California. Participants can choose between a two-loop 5K course or a single loop option, featuring trails, hills, and natural obstacles. The event also includes a Charity Beer Mile, where participants dri..

The The Belgian Waffle Run will take place in San Diego on Saturday 26 April 2025. You can run between 5 and 5 kilometers.

The Badwater Salton Sea is an ultra running event set to take place on April 26-27, 2025, in Borrego Springs, California. This challenging race spans 81 miles from Salton City, located 234 feet below sea level, to Palomar Mountain, which rises to 5,500 feet. Participants compete in teams of two or t..

The Dingneng Wang event, formerly known as the PQ & GZ Trail Marathon, is a unique running experience held in memory of a beloved friend and running enthusiast. This event encourages participants to run at their own pace without any official support, course markings, or aid stations. Runners can cho..

The Pacific Crest Trail 50 (PCT 50) is a challenging 50-mile trail run set in the scenic Cleveland National Forest, California. Scheduled for May 10, 2025, this event is part of the SoCal Ultra Grand Prix Series. The course features an out-and-back route primarily on single-track trails, with signif..

The Corral Canyon Trail Scramble is a trail running event held in the Cleveland National Forest near Campo, California. Taking place on May 17, 2025, it features four courses: a 5-mile, 9-mile, 14-mile, and a 50K ultra marathon. The courses include rocky terrain, sandy sections, fire roads, and tech..

The Proctor Valley Monster Endurance Run is a challenging 60-kilometer race set in the rugged terrain of Southern California. Participants will face a grueling course featuring 11,000 feet of elevation gain and 10,000 feet of descent, designed to test their endurance and mental fortitude. The event..

The 1st Annual Natro@Noli Indian School Trail Race is set to take place at the Soboba Indian Reservation, featuring various race categories including a Marathon, Half Marathon, 5k, and a Kids 3k. This event aims to promote wellness and cultural connection within Native American communities, with a p..

The San Diego 100 is a challenging 100-mile ultramarathon set in the scenic mountains of San Diego County, California. Scheduled for June 6, 2025, the race features a loop course primarily on single-track trails, including sections of the Pacific Crest Trail and various state parks. Participants fac..

The Black Mountain Trail Races, set in San Diego, offers a thrilling experience for runners of all levels with three race distances: 50K, 25K, and half marathon. Participants will navigate the scenic and challenging trails of Amat Kwanyil, an area rich in history and natural beauty, featuring rocky..

Elder Creek Night Runs is an exciting running event set in the beautiful desert landscape of Anza, California, under a full moon. Participants can choose from various distances, including 50K, 30K, 13 Miler, and 9 Miler, all on a scenic 4.6-mile looped course featuring single track trails and dirt r..

The Peak is an exhilarating running event featuring a 50K, marathon, and half marathon, set against the stunning backdrop of Cuyamaca Peak in San Diego County. Participants will experience challenging climbs and descents, with the 50K and marathon routes featuring a significant elevation gain of 10,..

The South Bay 24 is an exciting endurance event taking place at Montgomery Waller Community Park in San Diego. This annual race features a 1.25-mile loop course that combines trail, grass, and bike path terrain. Participants can choose from various race options, including a 24-hour, 12-hour, 6-hour,..

The Noble Canyon 50K and 15K is an annual trail running event held in the scenic mountains of east San Diego, California. Scheduled for September 6, 2025, the race features a challenging course primarily consisting of runnable single-track trails, offering participants stunning views of the natural..

The Double Peak Challenge is an exciting outdoor running event held annually in San Marcos, California, featuring a 10k, 5k, and a Kids Trail Trot. Celebrating its 10th year, the event invites participants to tackle a challenging course that includes a significant elevation gain, reaching the summit..

The Cuyamaca 100K is an endurance running event set in Cuyamaca Rancho State Park, located about an hour east of San Diego, California. The course features three distinct loops, starting and ending at Camp Cuyamaca, with minimal backtracking. The first loop spans 31.5 miles and includes a climb to C..

The Carmel Valley Trail Race is San Diego's only trail race, set in the scenic Gonzales Canyon Open Space. Scheduled for October 11, 2025, this annual event features three race distances: 15K, 10K, and 5K, with the 15K and 10K including the challenging "Puke Hill." The race starts and finishes at So..

The Cahuilla Rez Ultra is a unique running event held on the Cahuilla Indian Reservation in Anza, California, featuring various race options including a 100-mile, 24-hour, 12-hour, 6-hour, and a half marathon. This event serves as a fundraiser for the tribe's Youth and Family Programming, promoting..

The 2025 Encinitas Beach Run, presented by Excelerace, is a unique running event taking place at Moonlight Beach in Encinitas, California. Participants can choose between a 5k and 10k run along the scenic sandy coastline, with turn-around options available. The event features a festive atmosphere, i..

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