In 33 days · Fri, Dec 4, 2026
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Friday, December 4th, 2026
434 S. Alamo Street, San Antonio TX
Marathon · Half · 5K
49–67°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
48–58°F
dry
2024
56–69°F
dry
2023
50–68°F
dry
2022
54–62°F
dry
2021
63–76°F
dry
2020
35–56°F
dry
2019
51–72°F
dry
2018
42–57°F
dry
2017
67–82°F
dry
2016
50–54°F
rain
Best months to race in Texas →
About this race
The San Antonio Marathon, presented by San Antonio Sports, celebrates the spirit and heritage of our city. In collaboration with the City of San Antonio, Visit San Antonio, and Centro, this signature event invites you to experience a premier running celebration in the heart of San Antonio - Where Every Step Tells a Story.
Course map
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