The Chevron Houston Marathon is an annual marathon race held in Houston, Texas. It is one of the largest marathons in the United States, attracting elite and recreational runners for both marathon and half marathon distances. The event is known for its flat and fast course, making it a popular choice for runners seeking personal bests or qualifying times for major races.
Course Terrain 
The Houston Marathon course is a flat, fast urban route through the city of Houston, featuring paved streets and passing through several neighborhoods and downtown areas. The course is designed to maximize speed and minimize elevation changes.
Elevation Changes
The marathon course is predominantly flat with minimal elevation change throughout the route, making it suitable for runners seeking personal records or qualifying times.
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