Houston Marathon
Race Day Weather
Cool conditions, headwind challenges
Runners will face a temperature range from 47°F to 59°F with a steady increase as the race progresses. Winds will be a factor with headwinds from miles 2-5 and 10-11, requiring pacing adjustments during those segments. With humidity at 72%, maintaining hydration will be crucial, especially in the latter half of the race. Conditions will improve with a tailwind from miles 8 and 19 onwards.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for Houston Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Get your personalized Houston 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 Info
The Houston Marathon is an annual marathon usually held every January in Houston, Texas, United States, since 1972. With thousands of runners and spectators, it is the largest single day sporting event in the city. It is run concurrently with a half marathon and a 5 km race. The 2007 race included the first-ever satellite running of the event, run simultaneously in Fallujah, Iraq.