Trail Running calendar near Boulder Oaks 2025-2026

We have found 31 Trailruns within 80 miles of Boulder Oaks. See below where and when you can find the races.

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..

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

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 Black Mountain Turkey Burner is an annual trail race held in San Diego, California, designed to help participants burn off their holiday meals. Scheduled for November 30, 2025, this event features three race categories: a challenging half marathon, a 10K, and a 5K, each offering varying levels o..

December 2025

The Anza Borrego Cuyamaca 50 Mile Run is a scenic point-to-point race set in Julian, California, showcasing some of San Diego's most beautiful trails. Participants will traverse 50 miles, starting at the Sunrise Trailhead and winding through Cuyamaca Rancho State Park, including an ascent of Stonewa..

The Keepin' It Rural will take place in San Marcos on Sunday 7 December 2025. You can run between 5 and 10 kilometers.

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..

January 2026

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..

February 2026

The Ranch 50K is a trail running event taking place in the scenic Daley Ranch area of Escondido, California, on February 14, 2026. Participants can choose between a challenging 50K course, which consists of two 25K loops with a total elevation gain of 6,318 feet, or a half marathon with a single loo..

The San Pasqual Valley Trail Race is an annual running event held in the scenic San Diego County wine country. Participants can choose from three distances: a 10K, a Half Marathon, and a 20 Mile race, each offering breathtaking views of vineyards and orange groves. The 10K features a relatively flat..

March 2026

The Old West Trail Runs feature a 50K, marathon, and half marathon, set against the stunning backdrop of Anza Borrego Desert. Participants can enjoy a scenic and runner-friendly course with manageable elevation gains, making it suitable for both seasoned runners and newcomers. The event promotes a f..