Run the Alamo 26.2 Marathon

San Antonio, TX, USA · March 6, 2027

54°·69° high·Breezy·Dry

Weather

Race Day Weather

54°at start

73° high

Breezy

Dry

Mild start, warming trend

Runners will face a temperature rise from 54°F at the start to 71°F by the finish, with an average humidity of 55% and a dew point of 45°F. Winds will come from the ESE at 11 mph, with gusts up to 24 mph, providing a slight headwind. Pacing adjustments are advised as temperatures climb; runners should stay hydrated and consider gear changes for comfort.

Race day forecast available in 195 days

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Distance: 26.2mi

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Race Info

The only locally produced full Marathon in San Antonio. Cross the famous Travis' line in the sand, as you Fight to the Finish while running literally thru history. This BQ certified course will not only inspire you but lift your spirits with a vibrant, festive feel but a flat, fast, scenic track. Through the years, The ALAMO 13.1 HALF and now The Alamo Marathon takes great pride in showcasing THE best that San Antonio has to offer in our race course design with iconic cultural landmarks galore. Enjoy the BEST SWAG around and of course over the top Award Winning Finisher Medals! Source

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Course Map

FAQ

When is the 2027 Run the Alamo 26.2 Marathon?

The 2027 Run the Alamo 26.2 Marathon will be held on Saturday March 6, 2027.

Is the Run the Alamo 26.2 Marathon a Boston Marathon Qualifier?

Yes, the Run the Alamo 26.2 Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2027 Run the Alamo 26.2 Marathon?

The forecast calls for a high of 76°F and a low of 54°F with a 7% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 2 years of data

Avg Temp

81°F

L:57° H:81°

RunScore

Conditions

Rain Freq

0 of 2 yrs

Wind11mph

Dew50°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Conditions	Low / High	Rain	Dew Point	Score
2026 Run the Alamo 26.2 Marathon Clearing in the afternoon. 2026		69°/84°	-	59°
2023 Run the Alamo 26.2 Marathon Clear conditions throughout the day. 2023		46°/78°	-	44°

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