Great Springs Trail Race - San Marcos

The Great Springs Trail Race in San Marcos is an exciting trail running event set in the scenic Purgatory Creek Natural Area. Scheduled for October 11, 2025, participants can choose between a 10K and a 13.1-mile race, both featuring diverse terrain including single track trails, rolling hills, and rocky sections. This community-focused event not only promotes fitness but also supports the Great Springs Project, which aims to protect the Edwards Aquifer, essential for clean water in the region.

Runners can expect a vibrant atmosphere with ample aid stations, race swag, and a family-friendly environment. Visit the organization's website for the most recent information.