Trail Running calendar near Brea 2024-2025

We have found 53 Trailruns within 80 miles of Brea. See below where and when you can find the races.

The Chesebro Half Marathon is a scenic running event set in the beautiful Santa Monica Mountains National Recreation Area, Agoura Hills, California. This USATF-sanctioned race features a unique course that combines approximately 60% trail and 40% road, offering participants stunning views and a vari..

The Point Mugu Trail Run is an exciting springtime event held at Point Mugu State Park, featuring a challenging Half-Marathon and a scenic 10k trail race. The course begins at the Ray Miller Trail, featuring ocean-view switchbacks and a descent into Sycamore Canyon, followed by a steep climb on the ..

Leona Divide is an exciting running event taking place in Lake Hughes, California, featuring multiple race distances: 100 miles, 100 kilometers, 50 miles, and 50 kilometers. Scheduled for April 12, 2025, this event serves as a qualifier for the prestigious Western States 100 Mile race. Participants ..

The Machete Trail Madness 100K is a challenging ultramarathon event taking place on April 12, 2025, at Lake Perris, California. Participants can choose from three distances: 100K, 50K, and 10K, with a course featuring a 10-mile loop and a total elevation gain of 2,300 feet per lap. The event emphasi..

The Las Virgenes Canyon Trail Races, taking place on April 26, 2025, in Southern California, offers a variety of distances including 6K, 12K, 30K, 54K, and 84K. This event, formerly known as the Ahmanson Ranch Trail Races, is organized by Anytime Runners, LLC, and promises a scenic and challenging e..

The Saddleback Marathon is a challenging running event held in Black Star Canyon, Silverado, CA, featuring a full marathon, half marathon, and 10K race. Participants can expect a demanding course with significant elevation gains, particularly for the marathon, which includes approximately 4,500 feet..

The Aut2Run for Autism is a running event scheduled for April 27, 2025, featuring multiple race options including a 15K, 10K, 5K, 1-Mile, Fun-K, and a virtual race. This annual event supports the Autism Society of Ventura County, with all proceeds directed towards improving the lives of individuals ..

May 2025

The John Wayne Grit Series - Newport Coast is a running event that features 50K, 25K, and 5K races set against the stunning backdrop of Crystal Cove State Park in Laguna Beach, California. Participants navigate hill climbs and enjoy ocean views along dirt roads and single-track trails. The event sup..

The O'Neill Park Trail Races, scheduled for May 17, 2025, offer a stunning running experience in the scenic O'Neill Regional Park, located in Trabuco Canyon, California. Participants can choose from various race distances, including a 50k, marathon, 30k, half marathon, and 10k. The event emphasizes ..

The Gorgonio View Trail Run, part of the Spartan Trail series, takes place at the scenic Big Bear Mountain Resort in California. This event features a 10K trail run that showcases picturesque singletrack trails winding through high-altitude pine forests, offering participants stunning views of the S..

The Nanny Goat event, taking place on May 24-25, 2025, in Riverside, CA, offers a unique running experience with various race options including 6-hour, 12-hour, 24-hour, and a 100-mile challenge. Participants can run solo or as part of a relay team, aiming to complete as many laps as possible on a f..

The Forever Brave Half Marathon in Valencia is a vibrant running event scheduled for May 25, 2025. Participants can choose from various distances, including a 5k, 10k, 15k, and half marathon, all set on an open course designed for a fun and relaxed experience. The race features out-and-back loops wi..

June 2025

The Malibu Canyon Trail Races, organized by Keira Henninger, will take place on June 7, 2025, in the scenic coastal Santa Monica Mountains of Malibu, California. This challenging event features multiple race distances, including 100K, 50-mile, 50K, and 30K, allowing participants to experience the be..

The Griffith Park Trail Marathon Relay & 8K is a premier running event in Los Angeles, celebrating its 10th anniversary. This exciting occasion invites participants to challenge themselves on scenic trails while enjoying the camaraderie of friends and fellow runners. The event features a mix of solo..

The Holcomb Valley Trail Run, taking place on June 14, 2025, in Big Bear Lake, CA, offers participants a choice of three distances: 33 miles, 14 miles, or 7 miles. The event showcases the scenic Pacific Crest Trail and aims to promote local trail running while supporting the volunteer search and res..

The Orange Curtain Endurance Run features a variety of race distances, including 100K, 50K, 30K, and 10K, taking place along a scenic out-and-back course on the bike path adjacent to the San Gabriel River in California. This event is designed for runners of all levels, making it an excellent choice ..

The Red Rock Rumble is an exciting running event taking place in Topanga, CA, featuring a challenging 10k course through the stunning Red Rock Canyon. Participants can also enjoy a non-timed Hiker's Delight and races for kids aged 10 and under, as well as those aged 11-16. The event includes handcra..

The Whiting Ranch Trail Races, scheduled for June 28, 2025, in Trabuco Canyon, CA, features three race distances: a 10K, a half marathon, and a 30K. Participants will enjoy scenic trails in the foothills of the Santa Ana Mountains, with well-marked routes and ample support throughout the event. The ..

July 2025

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

The Harding Hustle is an exciting trail running event set in the scenic Cleveland National Forest, California, featuring three challenging distances: 50K, 30K, and 15K. Participants will navigate the Harding Truck Trail, which offers stunning views, steep climbs, and thrilling descents. The race is ..