Run the Alamo 26.2 Marathon

San Antonio, United States of America 1 Mar, 2026

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 suitable for performance running, featuring an elevation gain and loss of approximately 585 feet (178 meters).

The race format accommodates multiple distances alongside the marathon, typically including the half marathon (21.097 km), 10 km, and 5 km events scheduled over the race weekend. The event typically begins with a live cannon blast and musket volley at sunrise, serving as the official start signal, with runners departing from Hemisfair. Race day logistics offer amenities such as free parking, organized bag check, and a clearly marked lineup with pacers for both marathon and half distances.

Key features that distinguish this marathon include:
– Spectacular city route across culturally and historically significant landmarks.
– Locally managed and produced, emphasizing a connection to San Antonio’s heritage.
– Sunrise start with ceremonial cannon blast and musket fire.
– Notable race memorabilia such as award-winning finisher medals and participant swag.
– Event size generally capped at approximately 6,000 participants, contributing to an energetic but manageable field.

The event is well-integrated with local sights, making it recognizable both for out-of-town visitors and residents. Registration details, race schedule, and specific course updates are published in advance, with packet pickup and additional pre-race activities taking place in designated local venues.

Generic Marathon Time This represents the time you would expect to run a "generic" marathon in. This is a marathon with around 250 m (800 ft) of elevation gain and a temperature around 10°C (50°F). For best results, use our Race Predictor.

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Run the Alamo 26.2 Marathon Time


Statistics

Elevation
Elevation Gain 185 m 607 ft
Elevation Low 160 m 525 ft
Elevation High 206 m 676 ft
Weather
Expected Temperature (Low) 11°C 52°F
Expected Temperature (High) 24°C 75°F
Chance of Rain 16%

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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 suitable for performance running, featuring an elevation gain and loss of approximately 585 feet (178 meters).

The race format accommodates multiple distances alongside the marathon, typically including the half marathon (21.097 km), 10 km, and 5 km events scheduled over the race weekend. The event typically begins with a live cannon blast and musket volley at sunrise, serving as the official start signal, with runners departing from Hemisfair. Race day logistics offer amenities such as free parking, organized bag check, and a clearly marked lineup with pacers for both marathon and half distances.

Key features that distinguish this marathon include:
– Spectacular city route across culturally and historically significant landmarks.
– Locally managed and produced, emphasizing a connection to San Antonio’s heritage.
– Sunrise start with ceremonial cannon blast and musket fire.
– Notable race memorabilia such as award-winning finisher medals and participant swag.
– Event size generally capped at approximately 6,000 participants, contributing to an energetic but manageable field.

The event is well-integrated with local sights, making it recognizable both for out-of-town visitors and residents. Registration details, race schedule, and specific course updates are published in advance, with packet pickup and additional pre-race activities taking place in designated local venues.

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