
San Antonio, United States of America · Saturday 6 March 2027
The marathon is held annually in San Antonio, Texas, starting at Hemisfair Park near the Tower of the Americas and traversing the heart of the city, including notable historic sites such as The Alamo, Houston Street, San Pedro Cultural Park, San Fernando Cathedral, King William historic neighborhood, the World Heritage Missions, and the renowned River Walk. The course covers a full marathon distance of 42.195 km (26.2 miles) and is recognized as a Boston Qualifier with a flat elevation profile s
Adjusted Time
4:01:37
Time difference: +1.6 minutes compared to a flat, road, temperate course.
Run the Alamo 26.2 Marathon is a full marathon held in San Antonio, United States of America, scheduled for Saturday 6 March 2027. The course is run on road surface with 178m of total elevation gain, reaching a maximum altitude of 200m above sea level. For registration and full race details, visit the official Run the Alamo 26.2 Marathon website.
With 178m of elevation gain, this is a moderately undulating course. The route ranges from 164m to 200m above sea level (36m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Based on historical weather data for March, the expected race day conditions are as follows. Moderate temperatures between 11°C and 24°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance over the full distance. There is a low chance of rain (0%), so dry conditions are likely.
Run the Alamo 26.2 Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Run the Alamo 26.2 Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Run the Alamo 26.2 Marathon against other marathons to find the right race for your goals.
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