
Sunday, December 7, 2025
START TIME: 7:15 AM
START LINE: Main Plaza
FINISH LINE FIESTA: Hemisfair
COURSE TIME LIMIT: 4 hours
Countdown To Race Day
Course Details
The San Antonio Half Marathon (13.1 miles / 21 km) starts at Main Plaza and finishes at Hemisfair with the finish line fie Fiesta. The course takes runners through scenic neighborhoods like Southtown, the King William Historic District, and North Saint Mary’s Street, passing landmarks such as The Alamo, Fort Sam Houston, and the Historic Pearl, as well as the natural beauty of Brackenridge Park.

