San Antonio Marathon

San Antonio, TX, USA • December 6, 2026
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partly-cloudy-day Partly cloudy throughout the day.

The inspirational memoir from Boston Marathon winner and Olympian Des Linden. Choosing to Run: A Memoir.When you buy through our links, we may earn a commission.

As the 7th largest city in the US, San Antonio is ready for a world-class marathon. San Antonio Sports, in partnership with the City of San Antonio, and marathon industry experts from The Trust Group and Boston Marathon winner, Meb Keflezighi, is thrilled to introduce the San Antonio Marathon. Now, with an incredible opportunity to elevate San Antonio’s premier running experience we aim to reflect the vibrant cultural spirit and uniqueness of our community. Join us in the celebration of a new running tradition where every step tells a story. Source

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When is the 2026 San Antonio Marathon?

The 2026 San Antonio Marathon will be held on Sunday December 6, 2026.

Is the San Antonio Marathon a Boston Marathon Qualfier?

Yes, the San Antonio Marathon is an official Boston Marathon qualifier.

What is the time limit for the San Antonio Marathon?

The time limit for the San Antonio Marathon is 7 hours.

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Historical Weather & Results

RunScore
Run Score: 7
Temp
80°F
Min/Max
61°/80°F
Dew
43°F
Days of Rain
0/1
Wind
11mph
Tap a row for details.
YearLow / HighRain

San Antonio Marathon 2025 Weather History

Clearing in the afternoon.

2025
cloudy
61°/ 80°-
Run Score: 8
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR