Runners will face a temperature rise from 47°F at the start to 72°F by the finish. With light winds from the E and humidity at 56%, hydration will be crucial. As the day warms, athletes should consider adjusting their pace to avoid overheating and stay comfortable.

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Distance: 13.1mi

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About the Huntsville Half Marathon

The Huntsville Half Marathon is run in Huntsville, Texas, home of Sam Houston State University. The half is two loops that start and finish on University Avenue across from Rather Park, and the course runs through the university campus on an out-and-back section. A 10K runs at the same time on the same course as a single loop with an earlier turnaround. The race returned in October 2026; earlier editions started at the Walker County Fair Grounds.

Website

Race weekend

Sunday, October 18

8:00 AMHalf Marathon (13.1 mi)

8:00 AM10K (6.2 mi)

Course Map

Huntsville Half Marathon FAQ

When is the 2026 Huntsville Half Marathon?

The 2026 Huntsville Half Marathon will be held on Sunday October 18, 2026.

What will the weather be like for the 2026 Huntsville Half Marathon?

The forecast calls for a high of 73°F and a low of 47°F with a 0% chance of rain.

What is the weather usually like for the Huntsville Half Marathon?

Over the 3 years racecast.io has race-day weather for (2021 to 2026), it averaged 57°F at the start and 67°F by a typical finish. It has not rained during race hours in any of those years.

What was the hottest Huntsville Half Marathon?

Of the 3 years on record, 2022 was the warmest, reaching 79°F during race hours. The coldest start was 2026, at 47°F.

What was the windiest Huntsville Half Marathon?

Of the 3 years on record, 2022 was the windiest, with wind averaging 8 mph during race hours. The calmest was 2021, at 3 mph.

Huntsville Half Marathon weather history

Based on 3 years of data

Avg Temp

62°F

L:57° H:67°

RunScore

Conditions

Rain Freq

0 of 3 yrs

Wind5mph

Dew53°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Huntsville Half Marathon Clear conditions throughout the day. 2026	47°/59°	-	45°
2022 Huntsville Half Marathon Clear conditions throughout the day. 2022	70°/79°	-	69°
2021 Huntsville Half Marathon Clear conditions throughout the day. 2021	53°/64°	-	47°

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