Ann Arbor Marathon

Ann Arbor, MI, USA · October 04, 2026
clear-day46°·62° high·Light·Dry
8
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Race Day Weather

clear-day
46°at start
68° high
Breezy
Dry

Cool start, climbing temps, moderate wind

Runners will face a cool start at 46°F, gradually warming to 67°F by the end of the race. Wind will be moderate at 11 mph from the WSW, creating a mix of headwind, tailwind, and crosswind throughout the course. With humidity at 72%, it's advisable to adjust pacing conservatively early on and stay hydrated frequently as temperatures increase in the later laps.

clear-night10
partly-cloudy-night10
partly-cloudy-day10
partly-cloudy-day10
partly-cloudy-day8
clear-day7
clear-day6
clear-day5
clear-day5
clear-day5
partly-cloudy-day5

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Race Info

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

Race weekend

Sunday, October 4
8:00 AMMarathon (26.2 mi)
Half Marathon (13.1 mi)
10K (6.2 mi)
5K (3.1 mi)

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.

What will the weather be like for the 2026 Ann Arbor Marathon?

The forecast calls for a high of 68°F and a low of 46°F with a 9% chance of rain.

Historical Weather

Based on 13 years of data
Avg Temp
49°F
L:43° H:54°
RunScore
8
Conditions
Rain Freq
15%
2 of 13 yrs
Wind7mph
Dew41°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
cloudy
48°/62°-
8
2024
rain
50°/52°Light
9
2023
clear-day
51°/71°-
6
2022
cloudy
56°/61°-
8
2021
clear-day
31°/48°-
10
2019
clear-day
31°/45°-
10
2018
cloudy
58°/61°-
7
2017
cloudy
40°/43°Light
9
2016
partly-cloudy-day
23°/29°-
10
2015
clear-day
14°/38°-
10
2014
clear-day
27°/41°-
10
2013
cloudy
63°/71°-
5
2012
partly-cloudy-day
72°/79°-
4