Run the Alamo 26.2 Marathon

San Antonio, TX, USA · March 7, 2027·
partly-cloudy-day56°·65° high·Breezy·Dry
7
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Race Day Weather

partly-cloudy-day
56°at start
73° high
Breezy
Dry
Your goal
0:00:00

Mild start, warming trend ahead

Runners will face a temperature increase from 56°F at the start to 71°F by the finish, with an average humidity of 61%. Winds will be a factor, with a tailwind in early miles and headwinds dominating between miles 5-16. Adjust pacing conservatively in the middle segment to account for these winds and the rising temperatures, especially in the latter stages of the race.

Race day forecast available in 128 days
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Pace Calculator

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Race Plan

Get your personalized Run the Alamo 26.2 Marathon race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

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

Race weekend

Saturday, March 6
7:30 AM10K (6.2 mi)
7:45 AM5K (3.1 mi)
Sunday, March 7
6:45 AMMarathon (26.2 mi)
6:45 AMHalf Marathon (13.1 mi)

FAQ

When is the 2027 Run the Alamo 26.2 Marathon?

The 2027 Run the Alamo 26.2 Marathon will be held on Sunday March 7, 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 is the time limit for the Run the Alamo 26.2 Marathon?

The time limit for the Run the Alamo 26.2 Marathon is 7 hours.

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 8% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 7 years of data
Avg Temp
62°F
L:58° H:67°
RunScore
6
Conditions
Rain Freq
0%
0 of 7 yrs
Wind7mph
Dew55°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
cloudy
69°/73°-
4
2025
partly-cloudy-night
61°/69°-
6
2024
cloudy
65°/69°-
5
2023
clear-night
49°/62°-
8
2022
cloudy
70°/75°-
4
2021
clear-night
45°/59°-
10
2020
cloudy
49°/63°-
8