Trail Running calendar near Foothill Ranch 2025-2026

We have found 83 Trailruns within 80 miles of Foothill Ranch. See below where and when you can find the races.

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 Malibu Canyon Trail Races is an annual running event held in the scenic Santa Monica Mountains near Malibu, California. Participants can choose from multiple challenging distances, including 100K, 50 miles, 50K, 30K, and a half marathon. The race features single track trails and fire roads acros..

The Griffith Park Trail Marathon Relay & 8K is a celebrated outdoor running event held in Los Angeles’ expansive Griffith Park. Recognized as one of Runner’s World’s 10 Best Races You’ve Never Heard Of in 2024, it offers scenic trails and challenging terrain suitable for both seasoned runners and be..

The Black Star Canyon 5k Trail Run is an exciting running event taking place in Silverado, California, on June 11, 2025. The race features a scenic 5k course that includes fire roads and single-track trails, with an elevation gain of 390 feet. Participants can expect one aid station providing water..

The Holcomb Valley Trail Run is an annual event held in Big Bear Lake, California, featuring three race distances: 33 miles, 14 miles, and 7 miles. Participants run along the scenic Pacific Crest Trail and forest roads through historic Holcomb Valley, known for its gold rush history. The race promot..

The Orange Curtain Endurance Run is a multi-distance ultramarathon event held in Cerritos, California, featuring races of 10K, 30K, 50K, and 100K, along with marathon and timed events. The course is a flat, fast out-and-back on a combination of asphalt and dirt bike paths along the San Gabriel River..

The Red Rock Rumble is a challenging trail running event held in Topanga, California, set amidst the scenic Red Rock Canyon. The race features a rugged 10k course with steep climbs, stunning views, and a thrilling descent, along with additional events like a non-timed Hiker's Delight and kids' races..

The Black Mountain Trail Races in San Diego, CA, offer challenging trail running events across three distances: 50K, 25K, and half marathon. Participants will navigate rugged, technical trails through historic and scenic areas, including Black Mountain, an ancient extinct volcano with diverse wildli..

The Whiting Ranch Trail Races, set in the scenic Whiting Ranch Wilderness Park in Trabuco Canyon, California, offers a variety of race distances including 6k, 10k, half marathon, and 30k. Participants can enjoy challenging climbs and breathtaking views while running through beautiful trails surround..

July 2025

The Red Rock Wilderness Trail Run is a scenic 5k event taking place in the beautiful Red Rock Wilderness area, specifically at the Augustine Staging Area in Silverado, California. The course features a mix of fire roads and single track trails, with an elevation gain of 300 feet. Participants can ex..

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 Mt. Baldy 5000 is a challenging 5K mountain race held on the slopes of Mt. Baldy Resort, just outside Los Angeles.Designed for runners of all abilities, the course features nearly 1,500 feet of elevation gain, primarily on fire roads with stunning views and a tough uphill climb. The event includ..

The Harding Hustle is a trail running event held in the Cleveland National Forest and Santa Ana Mountains, featuring 50K, 30K, and 15K distances. The race offers challenging courses with steep climbs, scenic views, and exhilarating descents along the Harding Truck Trail. Well-supported aid stations,..

Tough Mugu is a challenging trail running event held in Malibu, California, as part of the Bulldog Challenge Series. Taking place at the La Jolla Group Campground in Point Mugu State Park, it features a 25k and a 10k course with stunning coastal mountain views. The race offers fully-supported course..

The SoCal Summer 6K/12K, organized by Pasadena Running Company, is a trail running event held at Lower Arroyo Park in Pasadena. The race features two distances: a 6K and a 12K, with the latter consisting of two loops of the 6K course. Participants can choose their start time from three waves in the..

August 2025

The Riley Park Trail Races is a family-friendly event held at Thomas F. Riley Wilderness Park in Orange County. The race offers various distances, including a 30k, half marathon, 10-miler, 10k, Riley Park 6-hour, and 5k, catering to runners of all levels.Participants can enjoy scenic single and doub..

The Green Valley Lake Half Marathon, along with 5K and 10K events, is scheduled for August 2, 2025, in the scenic San Bernardino Mountains. Participants will enjoy a picturesque course that begins with a flat loop around the lake, followed by a gradual ascent with a 400-foot elevation gain, offering..

The Angeles Crest 100 Mile Endurance Run, established in 1986, is a prestigious ultramarathon that traverses the scenic San Gabriel Mountains in California. This challenging point-to-point race covers a diverse terrain with elevations ranging from 1,135 to 9,300 feet, offering participants a unique..

The Saddleback Wilderness 5k Trail Run is an exciting running event set in the scenic Saddleback Wilderness, located in Orange, California. Scheduled for August 6, 2025, this race features a 5k course that includes both fire roads and single-track trails, with an elevation gain of 300 feet. Particip..