The 2026 event has concluded.

Run the Alamo 26.2 Marathon

San Antonio, TX, USAMarch 1, 2026

Race Day Weather

partly-cloudy-day
69°
85° high
Windy
Dry

Warm start, rising temps ahead

Runners will face temperatures starting at 69°F and climbing to 84°F. With winds from the SSE at 17 mph, pacing adjustments are necessary as the day warms. The humidity averages 60%, so it's advisable to hydrate frequently and start conservatively to manage heat stress.

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Pace Calculator

Distance: 26.2mi
0:00:00
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Pace
Weather Adj.
Common Goals:

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

Area Map

Course Map

FAQ

When is the 2026 Run the Alamo 26.2 Marathon?

The 2026 Run the Alamo 26.2 Marathon will be held on Sunday March 1, 2026.

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 2026 Run the Alamo 26.2 Marathon?

The forecast calls for a high of 87°F and a low of 68°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 1 years of data
Avg Temp
78°F
L:46° H:78°
RunScore
8
Conditions
Rain Freq
0%
0 of 1 yrs
Wind7mph
Dew43°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2023
clear-day
46°/78°-
8