Course
Marathon42.2 km
Half Marathon21.1 km
5K5 km
Key dates
- !RegistrationOpen now
- ★Race daySun 6 Dec 2026
Date confirmed with the organiser · entry window checked by RunCalendar
About
The San Antonio Marathon, also branded as Run The Alamo, offers marathon, half marathon, and 5K distances through the streets of downtown San Antonio, Texas. The race takes place in early December each year, drawing runners from across Texas and beyond.
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Save San Antonio Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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