San Antonio, Texas, United States
The San Antonio Marathon draws approximately 3,342 finishers each December on an urban road in San Antonio, United States. It launched in 2025 as a local replacement for the discontinued Rock 'n' Roll San Antonio Marathon and drew more than 3,300 marathon finishers in its debut. The course passes the Alamo, the River Walk, historic missions, and South Texas neighborhoods before looping back through the city core. Gentle rollers through mission-country roads and River Walk approaches break up otherwise steady pacing across South Texas neighborhoods.
San Antonio Marathon is a certified 42.195 km (26.2 mile) marathon — the standard World Athletics marathon distance.
The next San Antonio Marathon is scheduled for Sunday, 6 December 2026 with a 7:00 am start. The certified course covers 42.195 km (26.2 miles) with 150 m of climbing on a rolling with moderate climbs layout.
Starts and finishes in downtown San Antonio near the Alamodome and convention district. The course passes the Alamo, the River Walk, historic missions, and South Texas neighborhoods before looping back through the city core. Gentle rollers through mission-country roads reward conservative early pacing, with the densest crowds along the River Walk and near the Alamo finish festival.
The San Antonio Marathon course is rolling with moderate climbs over 42.195 km (26.2 miles). Runners cover 150 metres of climbing and 140 metres of descent, with a net climb of 10 metres from start to finish.
San Antonio Marathon is typically held in December. Registration opens through https://sanantoniomarathon.com/ and may use a lottery or tiered entry when demand exceeds capacity.
Last updated 18 July 2026. Edition dates and course details are reviewed regularly.
Other races closest to San Antonio.
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