Get ready for an exhilarating day at the Diablo Trail Run on Sunday, September 7th, 2025, set against the stunning backdrop of Mount Diablo in Clayton, Contra Costa. This event promises breathtaking views of the San Francisco Bay Area and its surrounding valleys, making it a must-attend for nature lovers and running enthusiasts alike.

Participants can choose from a variety of race distances, including a fast and flat 4-mile course through Mitchell Canyon, perfect for those looking to set a personal best. For those seeking a more challenging experience, the longer courses offer mountainous terrain and picturesque scenery that will truly elevate your trail running experience. Join us for a day filled with adventure, camaraderie, and unforgettable views!