Trail Running calendar near San Marcos 2024-2025

We have found 44 Trailruns within 80 miles of San Marcos. See below where and when you can find the races.

The HOKA Kodiak Ultra Marathons by UTMB is a thrilling running event set in the picturesque mountain town of Big Bear Lake, California. This two-day festival features a variety of race distances, allowing participants to experience the beauty of diverse landscapes, including high desert and sub-alpi..

UTMB Index

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 ..

Machete Trail Madness 100 Miler is a challenging ultramarathon event held at Lake Perris, California, featuring a 100-mile, 50-mile, and 10-mile race. Celebrating Dia De Los Muertos, the event emphasizes community and support among participants, with a course consisting of a 10-mile loop that includ..

November 2025

The Catalina Island Half-Marathon & 10K is an exciting running event set against the stunning backdrop of Catalina Island, California. Scheduled for November 8, 2025, this race offers participants the chance to experience breathtaking views and unique wildlife while running. The event features a cup..