Great Springs Trail Race - San Marcos

Great Springs Trail Race – San Marcos takes place at Purgatory Creek Natural Area in San Marcos, Texas. The event offers 10K, 13.1-mile, and 26.2-mile trail races, plus a Youth 1-mile option, on October 11, 2025. It’s a neighborhood-style trail party in the heart of the city, with a course of trails, rolling hills, and limestone sections that culminate in a slight downhill finish.

Tejas Trails marks the route with extensive signage and markers, and on-course aid stations provide water and Tailwind. The race is powered by the Great Springs Project and San Marcos Greenbelt Alliance, celebrating local conservation and community. Visit the organization's website for the most recent information.