Ann Arbor Marathon

Ann Arbor, MI, USAOctober 04, 2026
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Race Day Weather

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51°
70° high
Breezy
Dry

Cool start, warming trend ahead

Runners will face a temperature rise from 51°F to 70°F, with average humidity at 70%. A gentle SE wind at 9 mph will provide a slight tailwind throughout. Given the warming trend, runners should consider starting conservatively and adjusting their pace as temperatures rise.

Race day forecast available in 191 days
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E-Race the Stigma with the Probility Ann Arbor Marathon! Supporting local mental health charities, participants run through the vibrant streets of downtown Ann Arbor, then wind their way through the panoramic University of Michigan campus. The marathon, half-marathon, and 10K courses also encompass stretches along the Huron River and Gallup Park and through Nichols Arboretum before returning to campus and downtown. All races end with a spectacular finish right on Main Street. The Ann Arbor Marathon is USATF certified, serves as a qualifier for both the Boston and New York Marathons, and is the RRCA Michigan State Championship Marathon. Source

Area Map

Course Map

FAQ

When is the 2026 Ann Arbor Marathon?

The 2026 Ann Arbor Marathon will be held on Sunday October 4, 2026.

Is the Ann Arbor Marathon a Boston Marathon Qualifier?

Yes, the Ann Arbor Marathon is an official Boston Marathon qualifier.

What is the time limit for the Ann Arbor Marathon?

The time limit for the Ann Arbor Marathon is 6 hours.

Historical Weather

Based on 13 years of data
Avg Temp
58°F
L:44° H:59°
RunScore
7
Conditions
Rain Freq
23%
3 of 13 yrs
Wind9mph
Dew43°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
63°/78°-
8
2024
rain
50°/54°Light
7
2023
fog
51°/75°-
8
2022
cloudy
56°/64°-
8
2021
clear-day
31°/49°-
7
2019
clear-day
30°/53°-
8
2018
cloudy
58°/64°-
9
2017
cloudy
40°/46°Light
7
2016
snow
23°/35°-
5
2015
clear-day
14°/43°-
5
2014
clear-day
27°/47°-
7
2013
cloudy
62°/75°-
8
2012
partly-cloudy-day
70°/79°Light
7