Austin Half Marathon

Austin, TX, USA · January 17, 2027
partly-cloudy-day42°·46° high·Light·Dry
10
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Race Day Weather

partly-cloudy-day
42°at start
60° high
Breezy
Dry
Your goal
0:00:00

Cool start, steady climb ahead

Runners will face a cool start at 42°F, warming to 58°F by the finish. Light winds from the west will provide a tailwind initially, but headwinds will challenge runners through miles 3-6 and 12-14. With humidity at 58%, pacing adjustments may be necessary to manage energy levels, especially during the exposed stretches. Hydration will be key as temperatures rise; runners should plan to hydrate frequently.

Race day forecast available in 72 days
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Race Plan

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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.

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Race Info

The Austin International Half, known as the 3M Half Marathon until 2025, is a point-to-point half marathon that starts on Stonelake Boulevard in north Austin and finishes at 14th and San Jacinto beside the Texas State Capitol. The course follows Shoal Creek south, passes the University of Texas campus and drops more than 300 feet from start to finish. Because the net drop exceeds the World Athletics limit of 1 in 1,000, times are not eligible for records or entry standards. High Five Events organizes the race, which is held on a Sunday in mid to late January. Wikipedia

FAQ

When is the 2027 Austin Half Marathon?

The 2027 Austin Half Marathon will be held on Sunday January 17, 2027.

What will the weather be like for the 2027 Austin Half Marathon?

The forecast calls for a high of 63°F and a low of 42°F with a 7% chance of rain.

Historical Weather

Based on 10 years of data
Avg Temp
43°F
L:41° H:45°
RunScore
9
Conditions
Rain Freq
0%
0 of 10 yrs
Wind7mph
Dew27°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
clear-night
31°/36°-
10
2025
clear-night
28°/29°-
10
2024
cloudy
38°/39°-
10
2023
clear-night
43°/45°-
10
2022
cloudy
44°/47°-
10
2020
clear-night
41°/44°-
10
2019
clear-night
32°/37°-
10
2018
cloudy
65°/66°-
5
2017
clear-night
59°/60°-
9
2016
clear-night
35°/43°-
10