San Antonio Marathon
San Antonio Marathon gives runners a certified Texas city course with December timing, downtown landmarks, and Boston-qualifier racing value.
Quick facts
- Certified Texas city marathon.
- Boston-qualifying support from race sources.
- December timing can still bring warmth.
- Race weekend includes multiple distances.
Is registration open for the 2026 San Antonio Marathon?
Registration for the 2026 San Antonio Marathon is open.
About the San Antonio Marathon
San Antonio Marathon is a late-year Texas option for runners who want a certified course in a destination city. Weather remains the main variable.
Course
The marathon uses San Antonio roads and city landmarks as part of a multi-distance weekend. Runners should expect road-race logistics rather than trail terrain.
Race-day weather
December in San Antonio can be cool, warm, windy, or humid. Runners should avoid assuming perfect winter conditions.
Past San Antonio Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Sunday, December 6, 2026 | Upcoming | — |
| 2025 | Sunday, December 7, 2025 | Completed | Open results |
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San Antonio Marathon FAQ
When is the San Antonio Marathon?
The 2026 San Antonio Marathon is on Sunday, December 6, 2026.
Is registration open for the 2026 San Antonio Marathon?
Registration for the 2026 San Antonio Marathon is open. View the official registration details at runsignup.com.
Is San Antonio Marathon a Boston qualifier?
Yes. San Antonio Marathon is a Boston Marathon qualifier. To use the result, you must run the certified full-marathon course within the qualifying window and meet the current standard for your age and gender. Meeting the standard lets you apply but does not guarantee entry, and net-downhill courses can receive a time adjustment under current B.A.A. rules. Review the Boston qualifying times and downhill-course rules, or browse upcoming Boston qualifier marathons.
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