The 2026 event has concluded.

Run the Alamo 26.2 Marathon

San Antonio, TX, USA • March 1, 2026

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Race Day Weather

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

Warm start, big temp swing, moderate wind

Starting at 69°F, heat will be a factor from the gun — go out conservative and stay on top of hydration. Temps will climb significantly to 85°F by later miles, so expect fading conditions as the race progresses. Moderate winds around 17 mph may affect pacing on open sections of the course.

cloudy7
cloudy8
cloudy8
cloudy8
cloudy6
cloudy6
partly-cloudy-day6
partly-cloudy-day6
clear-day6
clear-day6
clear-day5
Pre-raceRace windowPost-race

Pace Calculator

Distance: 26.2mi
0:00:00
HH:MM:SS
Pace
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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

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FAQ

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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.

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 Run the Alamo 26.2 Marathon

Clear conditions throughout the day.

2023
clear-day
46°/78°-
8
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