Runners will face a starting temperature of 75°F rising to 92°F, with humidity at 65% and a dew point of 69°F. Winds will be light at 8 mph from the ESE. It is crucial to start conservatively and hydrate frequently to manage the heat effectively.

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Distance: 13.1mi

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About the USA Women's Half Marathon (Dallas)

The USA Women's Half Marathon Dallas starts near downtown Dallas and follows the Santa Fe Trail north for about 5.5 miles to White Rock Lake, finishing at T.P. Hill on the lake's west shore. The 13.1-mile course is USATF-certified (#TX23036LAB) and runs part of the lake perimeter along Lawther Drive. It is one of several USA Women's Half Marathon races the organizer holds annually, with sister events in Arizona, Tennessee, Florida and California.

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USA Women's Half Marathon (Dallas) FAQ

When is the 2025 USA Women's Half Marathon (Dallas)?

The 2025 USA Women's Half Marathon (Dallas) will be held on Saturday September 20, 2025.

What will the weather be like for the 2025 USA Women's Half Marathon (Dallas)?

The forecast calls for a high of 93°F and a low of 74°F with a 0% chance of rain.

What is the weather usually like for the USA Women's Half Marathon (Dallas)?

Over the 3 years racecast.io has race-day weather for (2023 to 2025), it averaged 70°F at the start and 70°F by a typical finish. Rain fell during race hours in 1 of those years (2023).

What was the hottest USA Women's Half Marathon (Dallas)?

Of the 3 years on record, 2024 was the warmest, reaching 75°F during race hours. The coldest start was 2023, at 60°F.

What was the windiest USA Women's Half Marathon (Dallas)?

Of the 3 years on record, 2024 was the windiest, with wind averaging 6 mph during race hours. The calmest was 2025, at 5 mph.

USA Women's Half Marathon (Dallas) weather history

Based on 3 years of data

Avg Temp

70°F

L:69° H:70°

RunScore

Conditions

Rain Freq

33%

1 of 3 yrs

Wind5mph

Dew65°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 USA Women's Half Marathon (Dallas) Partly cloudy throughout the day. 2025	74°/74°	-	68°
2024 USA Women's Half Marathon (Dallas) Partly cloudy throughout the day. 2024	75°/75°	-	68°
2023 USA Women's Half Marathon (Dallas) Cloudy skies throughout the day with a chance of rain throughout the day. 2023	59°/60°	Heavy	59°

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